Which of the following makes up the bottom layer of a soil profile?
organic material
Obedrock
O minerals and organic material
O inorganic materials

Answers

Answer 1

Answer:

inorganic materials

Explanation:

Answer 2

Answer:

Bedrock

Explanation:

your welcome

Which Of The Following Makes Up The Bottom Layer Of A Soil Profile?organic MaterialObedrockO Minerals

Related Questions

Earthquakes that occur far from plate boundaries are called

Answers

Answer:

intraplate' earthquakes

Explanation:

First correct answers get Brainlies. Spam answers get flagged.

New Zealand has a population of 4,326,380 and has an area of 103,736 miles squared while Australia has an area of 2,967,909 miles squared and a population of 21,905,140. Explain how New Zealand can have a larger population density than Australia even though it has a smaller total population.

Answers

The reason they have a higher population density is because they have more people on average in a certain area, because New Zealand is smaller they are given less space to live, this means that more people are crammed together, making the density of people within a square mile higher. When you give less square miles, you reduce the amount you have to divide the population by, which makes the density go up.

( In case you wanted the calculations for the density on New Zealand and Australia, it is about 41 to 42 people a square mile in Zealand, and maybe 7 or 8 per square mile in Australia.)

Hope this helps, if not, comment below please!!!

Wha
t is compound microscope

Answers

The optical microscope, also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate magnified images of small objects

Answer:

The optical microscope, also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate magnified images of small objects

PLS HELP ANSWER I WILL DO THE BEG

Answers

B. is the correct answer. through mutation and sexual reproduction

Answer:

its bbbbbbbbbbb

Explanation:

What holds amino acid chains within a protein in shape?​

Answers

Answer:

Proteins are the end products of the decoding process that starts with the information in cellular DNA. As workhorses of the cell, proteins compose structural and motor elements in the cell, and they serve as the catalysts for virtually every biochemical reaction that occurs in living things. This incredible array of functions derives from a startlingly simple code that specifies a hugely diverse set of structures.

In fact, each gene in cellular DNA contains the code for a unique protein structure. Not only are these proteins assembled with different amino acid sequences, but they also are held together by different bonds and folded into a variety of three-dimensional structures. The folded shape, or conformation, depends directly on the linear amino acid sequence of the protein.

Explanation:

I need help on those two questions

Answers

6-C (breaks off)
7-C(they secrete acid that breaks away rocks)

what force pulls down the top of a wave

Answers

Answer:

wind whips it up and gravity pulls it down.

Explanation:

how does each of your mutations affect the amino acid sequences? Are the mutations missense mutations, silent mutations or nonsense mutations?

a. Point mutation?

b. Frameshift-insertion?

c. Frameshift-deletion?​

Answers

Answer:

the correct answer is B Frame shift insertion

Explanation:

plz give me brainiest

Frameshift-insertion mutations affect the amino acid sequences.

Thus, The insertion or deletion of nucleotide bases in amounts that are not multiples of three is referred to as a frameshift mutation in a gene.

This is significant because a cell reads the genetic code for proteins in groups of three nucleotides.

These so-called "triplet codons" each stand for one of the 20 different amino acids that go into making a protein. This normal reading frame will be disrupted by a mutation, which will result in an inaccurate reading of the entire gene sequence after the mutation.

Thus, Frameshift-insertion mutations affect the amino acid sequences.

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An agricultural biologist was evaluating two newly developed varieties of wheat as potential crops. In an experiment, seedlings were germinated on moist paper towels at 20ºC for 48 hours. Oxygen consumption of the two-day-old seedlings was measured at different temperatures. The data are shown in the graph below. In a second experiment, variety A seedlings at both temperatures were treated with a chemical that prevents NADH from being oxidized to NAD+. Predict the most likely effect of the chemical on metabolism and oxygen consumption of the treated seedlings. Explain your prediction.

Answers

Answer:

The definition is listed in the clarification segment below, and according to the present circumstances.

Explanation:

It undergoes different morphological as well as biochemical modifications mostly during germination. Product contains nutrients and even some hydrolases such as energy, carbohydrates. Owing to the availability of phytic compounds, the seed coat seems to be very durable in nature. Hydrolytic enzymes launch their function by consuming oxygen throughout order to remove this hard coating. In several other processes, including the electron transport system as well as the Kreb process, oxygen also becomes necessary.

The initial phase of germinating seeds requires anaerobic environments where even the enzymes dehydrogenase can function. The subsequent dehydrogenase enzyme brings the electron throughout the electron transport system from either the base to oxygen.  Unless the oxygen frequency is compared with varieties A and B, it can be seen through the analysis that variety B actually absorbed more oxygen. Oxygen intake rates are also depending upon period.The impact of temperature mostly on absorption of oxygen seems to be present. Shift the supply at low temperatures have a low intake of oxygen, while varieties grown over extreme temperatures use much more oxygen. The metabolism of such a seedling is influenced by temperature. Metabolically active young plants display a larger intake of oxygen.

Please I need the the experimental group, the control group, independent variable, dependent variable and controlled variable and a summarized version of the experiment by today please!

“Chad is attempting to determine how different colors of light
affect plant growth. Chad places one spider plant in a cabinet
under a blue light and one spider plant in a cabinet under a red
light. Chad knows he needs to compare his plants to a plant
grown under white light so he places a third spider plant on the
window sill where the sun shines. All plants are the same age
and are given equal amounts of light time, plant food and water.
At the end of a two week period, Chad will measure the height of
each plant.”

Answers

Answer:

can you please answer my question please

Explanation:

pleaseee

I have a huge test tomorrow and I need to know every thing about Cells, like the eukarotic cell, i need to know the cell membrane, and osmosis.

Answers

Answer:

look it up or ask your friends to look it upmaybe?

Explanation:

Answer:

Cell Definition

“A cell is defined as the smallest, basic unit of life that is responsible for all of life’s processes.”

Cells are the structural, functional, and biological units of all living beings. A cell can replicate itself independently. Hence, they are known as the building blocks of life.  

Each cell contains a fluid called the cytoplasm, which is enclosed by a membrane. Also present in the cytoplasm are several biomolecules like proteins, nucleic acids and lipids. Moreover, cellular structures called cell organelles are suspended in the cytoplasm.

Types of Cells.Prokaryotic Cells

Prokaryotic cells have no nucleus. Instead, some prokaryotes such as bacteria have a region within the cell where the genetic material is freely suspended. This region is called the nucleoid.

They all are single-celled microorganisms. Examples include archaea, bacteria, and cyanobacteria.

The cell size ranges from 0.1 to 0.5 µm in diameter.

the hereditary material can either be DNA or RNA.

Prokaryotes reproduce by binary fission, a form of sexual reproduction.

Eukaryotic Cells

Eukaryotic cells are characterised by a true nucleus.

The size of the cells ranges between 10–100 µm in diameter.

This broad category involves plants, fungi, protozoans, and animals.

The plasma membrane is responsible for monitoring the transport of nutrients and electrolytes in and out of the cells. It is also responsible for cell to cell communication.

They reproduce sexually as well as asexually.

There are some contrasting features between plant and animal cells. For eg., the plant cell contains chloroplast, central vacuoles, and other plastids, whereas the animal cells do not.

Functions of Cell:Provides Support and StructureFacilitate Growth MitosisAllows Transport of SubstancesEnergy ProductionAids in ReproductionCell Membrane The cell membrane supports and protects the cell. It controls the movement of substances in and out of the cells. It separates the cell from the external environment. The cell membrane is present in all the cells. The cell membrane is the outer covering of a cell within which all other organelles, such as the cytoplasm and nucleus, are enclosed. It is also referred to as the plasma membrane. By structure, it is a porous membrane (with pores) which permit the movement of selective substances in and out of the cell.  Besides this, the cell membrane also protects the cellular component from damage and leakage. It forms the wall-like structure between two cells as well as between the cell and its surroundings. Plants are immobile, so their cell structures are well-adapted to protect them from external factors. The cell wall helps to reinforce this function.What is Osmosis?

Osmosis is a passive process and happens without any expenditure of energy. It involves the movement of molecules from a region of higher concentration to lower concentration until the concentrations become equal on either side of the membrane.

Any solvent can undergo the process of osmosis including gases and supercritical liquids.

Osmotic Solutions There are three different types of solutions:

An isotonic solution: is one that has the same concentration of solutes both inside and outside the cell.

A hypertonic solution: is one that has a higher solute concentration outside the cell than inside.

A hypotonic solution; is the one that has a higher solute concentration inside the cell than outside.

Effect of Osmosis on Cells

Osmosis affects the cells differently. An animal cell will lyse when placed in a hypotonic solution compared to a plant cell. The plant cell has thick walls and requires more water. The cells will not burst when placed in a hypotonic solution. In fact, a hypotonic solution is ideal for a plant cell.

An animal cell survives only in an isotonic solution. In an isotonic solution, the plant cells are no longer turgid and the leaves of the plant droop.

The osmotic flow can be stopped or reversed, also called reverse osmosis, by exerting an external pressure to the sides of the solute. The minimum pressure required to stop the solvent transfer is called the osmotic pressure

Significance of Osmosis Osmosis influences the transport of nutrients and the release of metabolic waste products.It is responsible for the absorption of water from the soil and conducting it to the upper parts of the plant through the xylem. It stabilizes the internal environment of a living organism by maintaining the balance between water and intercellular fluid levels. It maintains the turgidity of cells. It is a process by which plants maintain their water content despite the constant water loss due to transpiration. This process controls the cell to cell diffusion of water. Osmosis induces cell turgor which regulates the movement of plants and plant parts. Osmosis also controls the dehiscence of fruits and sporangia. Higher osmotic pressure protects the plants against drought injury.

I NEED HELP ASAP
12. If I were a drop of water and I entered the cycle in the transpiration
stage, where would I go next?

Answers

Answer:

Condensation

Explanation:

Transpiration is when the plants give off water. THe water is like evaporating but from plants. It then turns into clouds.

Answer:

Runoff

Explanation:

water pours down leading to runoff, in this process water runs over the surface of earth.

Help! The is a question about enzymes.

Answers

ans is no 3

Explanation:


please help.

what happens to a monomer once it is used to create a polymer?

A. the monomer can be reused once the polymer is deconstructed
B. the monomer is destroyed
C. The monomer is permanently part of the polymer

Answers

The answer is A it can be reused.

The monomer can be reused once the polymer is deconstructed. So, the correct option is (A).

What is Monomer?

A monomer is defined as a molecule which can react with other monomer molecules to form a larger polymer chain or three-dimensional network in a process called polymerization.

These are described as atoms or small molecules which bond together to form more complex structures known as polymers. There are four main types of monomer which include sugars, amino acids, fatty acids, and nucleotides.

Monomers can also be reused again when the polymer is deconstructed.

Thus, the monomer can be reused once the polymer is deconstructed. So, the correct option is (A).

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Which of the four prokaryotes listed below is the most efficient?
A. facultative aerobes
B. obligate anaerobes
C. aerotolerant organisms
D. obligate aerobes

Answers

Answer:

B

Explanation:

What happens to a substance when it is heated?

a
Thermal energy is decreased
b
Potential energy is increased
c
Kinetic energy is increased
d
It does not change its physical shape

Answers

Answer: C

Explanation:

When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster:  the space between atoms increases:   The motion and spacing of the particles determines the state of matter of the substance:  The end result of increased molecular motion is that the object expands and takes up more space.

1. Describe cell differentiation and include any environmental factors that play a role in gene regulation. 2. Explain the types of cells produced by meiosis. Include in your explanation the number of daughter cells produced, the number of chromosomes in each and whether they are diploid or haploid.

Answers

Answer:

1. Cell differentiation is the process whereby simple generalized cell develop into cell with specialization in function and structures. Some environmental factors that affect gene regulation include diet and nutrition, temperature, oxygen levels, humidity, light cycles, and the presence of mutagens.

2. Gametes or sex cells are produced in meiosis and they have haploid number of chromosomes. In humans, the haploid number of chromosomes is 23 chromosomes.

Explanation:

Cell differentiation is the process whereby simple generalized cell develop into cell with specialization in function and structures. During the initiation of cell differentiation, transcription factors activate only  the genes to be expressed. Some environmental factors that affect gene regulation include diet and nutrition, temperature, oxygen levels, humidity, and the presence of mutagens(factors that cause mutation).

Differentiation occurs in zygotes numerous times resulting in the formation of a fully developed organism. Also in unspecialized cells known as stem cells, differentiation occurs leading to the formation of various cells of the organs and tissues of the body.

2. Meiosis is a type of cell division in which gametes or sex cells are produced. A single cell divides twice producing daughter cells with half the number of chromosomes present in the parent cell. In humans, the chromosome number is 46. After, meiosis, the haploid number of chromosomes produced is 23.

how much oxygen is taking in for one process of cellular respiration

Answers

Cellular respiration uses six O2 molecules to convert one glucose molecule into six CO2 and six H2O molecules while harnessing energy as ATP and heat.

Hope this helps

How does oxygen enter the cells of the tube worm

Answers

Answer:

Flatworms are small, literally flat worms, which 'breathe' through diffusion across the outer membrane (Figure 2). The flat shape of these organisms increases the surface area for diffusion, ensuring that each cell within the body is close to the outer membrane surface and has access to oxygen.

Explanation:

Hope this helps!

Answer:

This is what you need

Explanation:

Flatworms are small, literally flat worms, which 'breathe' through diffusion across the outer membrane The flat shape of these organisms increases the surface area for diffusion, ensuring that each cell within the body is close to the outer membrane surface and has access to oxygen.

how do the respiratory and circulatory systems work together to maintain homeostasis

Answers

The respiratory system regulates oxygen flow, and provides regulation for oxygen blood content. Circulatory system plays a roll in providing enough oxygenated blood to the body

What is the function of a protein?

Answers

Explanation:

Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place, and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.

Hope this helps!! :)

A protein helps repair and build your body’s tissues! Also providing your body with a structural frame work!

What is the function of the macromolecule nucleotide?
A.SHRED STC
B.Immediate energy
C.Stored enery
D.Body instructions

Answers

Answer:

I believe that the answer is D.

Explanation:

A) is wrong

B) is carbohydrates

C) is lipids

D) is nucleic acids and the monomer of nucleic acids are nucleotides.

What would happen to the concentrations of
Pyruvate, NADH and intermembrane H+ if the ETC
stopped working?

Answers

Answer:

Stay the Same, Increase, Decrease

Explanation:

Glycolysis produces pyruvate which is functioning normally if only the ETC (electron transport) stopped working because the ETC happens AFTER glycolysis, hence pyruvate is being produced and used at a normal rate (no change). NADH is produced in the cellular respiration stage PRIOR to the ETC so it is being created at a normal (or average) rate, however, it is not being used and split properly (meaning, not enough) in the ETC stage hence it's concentration increases. H+ decreases because it cannot be made if the prior step(s) were not complete.

What would happen to the concentrations of pyruvate, NADH and intermembrane H+ if the ETC stopped working are:

Pyruvate would stay the same and not be affected.that is it would remain the same.NADH would increaseH+ in the intermembrane would decrease.

The concentration of the Pyruvate would not be affected If ETC stopped working and so this will make NADH would increase. Due to the fact that there is no electrons been transported down the chain, so therefore, no H+ would be moved and this in turn would make the concentration of H+ in the intermembrane space to reduce.

Conclusively, we can therefore say that what would happen to the concentrations of pyruvate, NADH and intermembrane H+ if the ETC stopped working are:

Pyruvate would stay the same and not be affected.that is it would remain the same.NADH would increaseH+ in the intermembrane would decrease.

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Which of the following is not an example of energy transformations in an ecosystem? a. sunlight driving photosynthesis in plants b. herbivores feeding on plants c. predators feeding on herbivores d. none of the above Please select the best answer from the choices provided A B C D

Answers

Answer:

D. None of the above

Explanation:

Energy transformation is the process of transfer and conversion of energy from one species to another. None of the above is not an example of energy transformation. Thus, option D is correct.

What is energy transformation?

Energy transformation is the process in an ecosystem that includes the conversion of energy from one level to another in the food chain or the metabolic reactions.

Photosynthetic reactions under the sun, herbivores feeding on producers, and predators feeding on the primary consumers are examples of energy conversion as it is continuously passing the energy to another species in the ecosystem.

Therefore, none of the above is not an example of energy transformation.

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How do vaccinations work to provide immunity? and What body system regulates blood glucose levels? (For a Biology exam)

Thanks :)

Answers

Answer:

it trains the body immunity towards certain diseases

Explanation:

first of all we humans have two types of wbc cells phagocytes & lymphocytes. phagocytes produces pseudopodia which is like cytoplasm that traps or catches bacteria or viruses. lymphocytes produces chemical antibodies which destroy the viruses or bacteria by attaching to the virus and burst it out. Now when u get vaccinated u train those wbc cells for future viruses and hepl them to make antibodies to defend the body.

The blood glucose gets regulated by production of insulin in pancreas to maintain proper amount of glucose in the body

Which of the following explains why some plants look green?
Your Answer
A
chlorophyll is the main plant pigment and it absorbs mainly wavelengths of light that are
B
chlorophyll is the main plant pigment and it transmits mainly wavelengths of light that ar
chlorophyll is the only type of plant pigment found in leaves
x plants contain different pigments which absorb and transmit different wavelengths of ligi
Back
C chlorophyll is the only type of plant pigment found in leaves

Answers

Answer:

the answer is a

Explanation:

In order to fit all of our DNA into our cells, it is wrapped around histone proteins and then...
A. reduction-bonded
B. bound to the wall of the Nucleus
C. compressed with a reducing sugar
D. supercoiled

Answers

Answer:

d

Explanation:

A species is a group of organisms so similar to one another that they can breed and produce fertile offspring. True or False.

Answers

Answer:

True

Explanation:

That is the exact definition that I learned.

What is the name of the structure labeled A in the diagram below?
A
F
B
D
O A. Cytoplasm
OB. Nucleus
ООО
C. Mitochondrion
O D. Ribosome

Answers

Answer:

I believe its C

Explanation:

The structure labeled A in the diagram is of mitochondria.

What is mitochondria?It is a double membranous organelle.The space between its two membranes is called intermembrane space.It is also known as powerhouse of cell as it generates ATP.Cristae is present in it.

Hence, option C. mitochondria is correct.

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Please help me ASAP real quick n easy

Answers

Answer:

Carbon monoxide gas.

Explanation:

The others are direct sources of groundwater pollution as the go directly on the ground. Hope this helps!

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One-fourth of the residents of the Burning Ridge Estates leave their garage doors open when they are away from home. The local chief of police estimates that 5 % of the garages with open doors will have something stolen, but only 1 percent of those closed will have something stolen. If the garage is robbed, what is the probability the doors ware left open What is presidential succession? How is it determined? Conjugate the verb in parenthesisUstedes (compartir) los libros how do you say love in french? can you help me plz take your time tho 3) Solve this system of linear equations by elimination.y=x-12x-y=0*x=-1,y=-2*x=1,y=2*x=2,y=1*x=-2,y=-1 Anne Hutchinson was a famous colonial leader. Select the facts below that you know to be true about Hutchinson, based on this week's Studies Weekly:(Check All that Apply)A. spoke out against the Puritan churchB. spoke out against the Church of EnglandC. fled Massachusetts Bay ColonyD. lived on an island near the Rhode Island Colony In 1974 a mother was 6 times as old as her daughter. If the mother turned 50 in the year 2000, in what year was the mother double her daughters age?This is in the topic of linear equations and please provide an explanation. (The working out) PLEASE BE A LIFE SAVERRR AND HELP ME ITS SO IMPORTANT the virus is already 28% loaded if it is loaded at the rate of 12% every 10 minutes how much time do we have before it is 100% loaded . Solve for c and d:10 7i = (c 4) + zdiC =d = Solve for L.P = 2L + 2WL = 2/(P - W)L = 2(W - 2P)L = (P - 2W)/2 What is the final amount if 1885 is increased by 5% followed by a further 18% increase What is the equation of the line that passes through the point (5,6) and has a slope of zero? not sure need help If r = 18 cm, what is the area of this sector? Express your answerto the nearest tenth of a centimeter.A 424.2 cm?536.2 cm?1508.9 cm834.1 cm? Nature Part 2Grammar Hunches: The Conditional Tense (Practice)ActivePromptNow that you have worked through a lot of material that includes these basic patterns, and you have comparedgrammatically correct and incorrect sentences, write down what you think is a rule that could explain what makes asentence grammatically correct or not. For example, you might write something like: "verbs always match nouns in numband they usually come before the noun." In other words, make your best guess for the grammar rule that makes sense ouof the pattern(s) you see in the phrases you have been working with. Review if you need to, and you might briefly checkyour hunches against the sentences you have been working with in this or previous modules. Keep in mind that what youafter is your hunch, not a grammar rule from a text book. Now check your hunch with the explanation of this principle infollowing pattern. Which of the following server types is in the form of a single circuit board?a. bladeb. towerO c. rackO d. dedicatedo Stating the consequences of drug use is a resistance strategy that can involve __________. A. explaining why the drug is harmful for you B. explaining possible negative side effects of the drug C. explaining how your life might negatively change if you began taking the drug D. all of the above Please select the best answer from the choices provided. A B C D Mark this and return Write the following algebraically:I think of a number, take away one and multiply the rest by 3.