help please! (earth science/heat)
Answer:
4.
Explanation:
melting (changing from a solid to a liquid)
freezing (changing from a liquid to a solid)
evaporation (changing from a liquid to a gas)
and condensation (changing from a gas to a liquid).
describe the role of bacteria in the nitrogen cycle.
Answer:
In the nitrogen fixation process, nitrogen fixing bacteria converts the N2 in the atmosphere into NH3 (ammonia). This bacteria binds hydrogen molecules with the gaseous nitrogen to form ammonia in the soil. ... From the conversion of ammonia to nitrites, bacteria also aids in this process called nitrification
Explanation:
cholesterol is needed to build call membrane.what is cholesterol
Answer:
Answer below
Explanation:
Cholesterol refers to a group of chemical compounds. A sterol is a kind of lipid, and cholesterol is one of them. All animal cells produce cholesterol, which is an important structural component of cell membranes. It is a yellowish crystalline solid when chemically separated.
a sterol-type molecule present in most human tissues. Cholesterol and its derivatives are key components of cell membranes and precursors of other steroid chemicals, but a high proportion of low-density lipoprotein in the blood (which delivers cholesterol to the tissues) is linked to a higher risk of coronary heart disease.
Cholesterol is a waxy, fat-like molecule found in all of your body's cells. Cholesterol is required by your body for the production of hormones, vitamin D, and chemicals that aid digestion. Your body produces all of the cholesterol you require.
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In your own words, what does “degradation” mean?
Answer: the condition or process of degrading or being degraded.
Explanation: Give me 5 stars
Which of the following describes asexual reproduction?
What names are used for the top process (requiring oxygen) and the bottom process (taking place without oxygen)?
Oxygen present → Krebs Cycle → Electron transport chain
→
Glycolysis
→ Lactic acid fermentation
Oxygen not present →
Alcohol fermentation
What names are used for the top process (requiring oxygen) and the bottom process (taking place without oxygen)?
How many ATP are produced by each process shown?
Answer:
Processes that takes place with oxygen is aerobic and processes that takes without oxygen is anaerobic.
Glycolysis and Krebs Cycle produces 2 Atp and ETC produces 34 Atp
how many chromosomes would be found in an allopolyploid plant if its parents had diploid numbers of 2 and 10, respectively?
Answer:
6
Explanation:
The allopolyploid off spring should have 6 chromosome the gametes produced for the diploid number 2 should be 1 and for 10 it should be 5 (n/2) the two gametesof both parents gametes should then fuse ( 1+5 ) giving us 6
or
gamete chromosomes =n÷2
gametes for diploid number 2
N= 2
2÷2 = I
gamete Chromosome = 1
gamete for diploid number 10
N=10
10÷2 =5
Allopolyploid= 5+1
=6
what are the two functional parts of a tRNA
Answer: Transfer RNAs are coded by a number of genes, and are usually short molecules, between 70-90 nucleotides (5 nm) in length. The two most important parts of a tRNA are its anticodon and the terminal 3’ hydroxyl group, which can form an ester linkage with an amino acid.
Explanation:
How would you classify me?
A new single-celled organism without a nucleus was
found near extremely hot thermal vents on the
ocean floor.
Which of the following best explains the importance of Earth’s crust to living organisms? a. The continental crust allowed the evolution of life on land. B. The crust provides raw materials necessary for life. C. The crust allowed the formation of fossil fuels. D. The rock cycle recycles sedimentary rocks formed from animal shells. Please select the best answer from the choices provided A B C D.
The statement 'the crust provides raw materials necessary for life' best describes the interaction between Earth's crust and organisms. It is fundamental for the biogeochemical cycles.
Earth's crust consists of a tiny layer on the outside of Earth that accounts for less than one percent (1%) of Earth's volume.
The Earth's crust is essential in biogeochemical cycles that support the continuity of life on the Earth planet.
These biogeochemical cycles include, among others, the carbon cycle, nitrogen cycle, phosphorous cycle, etc.
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the study of the function of specific organ systems is called
Answer:
Systemic Physiology
Explanation:
It is the study of the function of specific organ systems.
Answer:
The study of the function of specific organ systems is called Physiology, while Anatomy is the study of the actual structures within an organism.
-TheUnknownScientist 72
Which definition best explains the term gene expression?
Answer:
Answer:
Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule. ... Each group of three bases (codon) corresponds to one of 20 different amino acids used to build the protein.
OR
Gene expression is. the activation of a gene leading to the transcription, translation and synthesis of a specific protein.
Cell processes that increase the surface area of a cell are called:
Answer:
Answer below
Explanation:
As the radius of a cell increases, its surface area increases as the square of its radius, but its volume increases as the cube of its radius (much more rapidly).Therefore, as a cell increases in size, its surface area-to-volume ratio decreases.Prokaryotic cells have internal folding of the cell membrane which are responsible for certain functions like respiration.These foldings too increase the surface area.Prokaryotic cells have internal folding of the cell membrane which are responsible for certain functions like respiration. These foldings increase the surface area.
Eukaryotic cells are compartmentalized which is a method to increase the surface area as there are lots of membranes inside the cell across which many processes take place.
In some cells like the ones making the lining of the villi in the small intestine there are folding in the outer cell membrane which also increases the surface area,
Non-motile cilia are structures in a cell membrane that also increase surface area. Non-motile cilia are like oars that push through the cell membrane. They are thinner and longer than microvilli. Non-motile cilia are also called primary cilia.
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PLEASE HELP. Exposure to certain building materials, such as asbestos, has been linked to certain types of cancer. Individuals with long term exposure often have mutations to tumor suppressing genes like p53. Why does this mutation not get passed on to their offspring?
A. The mutation occurred in their somatic cells.
B. The mutation will fix itself.
C. The mutation occurred in their gametes.
D. Mutations to genes cannot be passed on.
Answer:
The answer is A
What drives subduction at a converging plate boundary?
Answer:
The geologic features related to convergent boundaries vary depending on crust types. Plate tectonics is driven by convection cells in the mantle. ... Subduction begins when this dense crust converges with less dense crust. The force of gravity helps drive the subducting slab into the mantle
explain the correlation between solar radiation and kelp biomass.
Given what we know, we can confirm that although sunlight is beneficial to plant growth, intense solar radiation has been proven to be detrimental to the survival of kelp, thus reducing its biomass.
How does solar radiation affect kelp?Solar radiation is not harmful in very low amounts.
However, when exposed at long intervals or high intensity, it has been shown to cause tissue damage.
This tissue damage will inhibit the kelp's ability to undergo photosynthesis.
This means it will not be able to grow, and its biomass will be reduced.
Therefore, given the effect of solar radiation in damaging the kelp's ability to photosynthesize and thus reducing its growth, we can confirm that intense or prolonged exposure to solar radiation reduces kelp biomass.
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Why is frog development susceptible to minor environmental changes?
plz help
The correct answer is option B) They go through many developmental changes.
Frogs are amphibians, which means they can live on land and in water. Frogs have permeable skin and lay shellless eggs in water, where their larvae will metamorphose before emerging and entering their terrestrial environment. As a result, they are very sensitive to biological changes and pollutants since, during the maturation phase of a frog, numerous complicated cellular differentiation cycles occur. These cycles are interconnected and are set off by particular signals and reactions. Therefore, disruption in certain environmental factors can affect various developmental changes.
That is why the development of the frog is susceptible to minor environmental changes
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Why is frog development susceptible to minor environmental changes?
A. They live a significant portion of their life in water
B. They go through many developmental changes.
C. They are not adapted to live in aquatic environments.
D. Both A and B
Please help if possible !!
Its B bbbbbbbbbbbbbbbbbbbbbbbbbbb
7. Identify the part of the human digestive system.
a) Site where digestion begin:
b) Site of final digestion:
c) Peristalsis:
d) Absorption of digested food:
e) Absorption of water:
Answer:
d
Explanation:
absorption of digested food
Help pls!
Which of these describes a chemical property of a substance
O A: Wax’s Tendency to Melt at 37 degrees Celsius O B: Gold’s Tendency to stay shiny O C: Paper’s tendency to tear O D: Sugar’s tendency to dissolve in water
Answer:
A
Explanation:
Because
HELPPPPPPPPPPPP ASAP PLS I BEG
A: beryllium
B: cobalt
C: magnesium
D: zinc
Answer:
I think it is B, but I might be wrong
PLEASE HELP!! MULTIPLE CHOICE
Answer:
theres no image??
Explanation:
chromosomes form during what part of the cell cycle?
Answer:
Prophase
Explanation:
During the prophase, chromatin condense to form chromosomes that are visible.
What type of feedback loop does the decreased in localized precipitation demonstrate? Explain your reasoning.
Answer:
Answer:
safe speed for the larger radius track u= √2 v
Explanation:
The sum of the forces on either side is the same, the only difference is the radius of curvature and speed.
Also given that r_1= smaller radius
r_2= larger radius curve
r_2= 2r_1..............i
let u be the speed of larger radius curve
now, \sum F = \frac{mv^2}{r_1} =\frac{mu^2}{r_2}∑F=
r
1
mv
2
=
r
2
mu
2
................ii
form i and ii we can write
v^2= \frac{1}{2} u^2v
2
=
2
1
u
2
⇒u= √2 v
therefore, safe speed for the larger radius track u= √2 v
How does energy balance contribute to a healthier lifestyle?
Answer:
"People who are more physically active burn more calories than those who are not as physically active. Your ENERGY IN and OUT don't have to balance every day. It's having a balance over time that will help you stay at a healthy weight for the long term."
Credits to : nhlbi
Explanation:
Answer:
Energy balance is a way of living, eating, and exercising, that facilitates a healthy balance of calories against activity that is conducive to overall good health. An important feature of energy balance is that the balance we maintain can change over time
Explanation:
Have a good day/night
within a forest ecosystem, there is a large amount of diversity among members of a warbler species. of the following stages of meiosis illustrated for a typical cell, which contributes most to diversity among the warblers?
Crossing over occurs between homologous chromosomes, and is closely involved in genetic variation. The stage that most contributes to diversity is stage C, where you can see chromosomes after crossing-over.
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There are different mechanisms involved in producing genetic variation among descendants. These are,
Crossing-over between homologous chromosomes (prophase 1), Random lining of homologous chromosomes (metaphase 1),Random fertilizationThe Crossing-over events occur between two homologous chromosomes in the equatorial plane and make the daughter cells genetically different from the original one.
The Chiasma is the position where two homologous chromatids interchange genetic information, giving a place for new genetic material or information to be provided to descendants.
After crossing over, homologous chromosomes get separated again.
In the attached imaged there are four different stages of meiosis.
Stage C is the one that contributes the most to diversity.
We can see that crossing over has already occurred between homologous chromosomes, and they have already interchanged segments.
In the image you will see the difference between chromosomes that has gone through the crossing over mechanism, and chromosomes that has not. The difference in color represents segments interchange and variation.
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Holaaaa
Alguien me puede responder estas preguntas?? las necesito porfa
1. ¿Que estructura tiene el ADN de la banana?
2. ¿Por qué la banana tiene ADN?
3. ¿Cuál es la función del ADN en la célula?
Answer:
Explanation:
hi
A genetics student is studying a plant that seems to have two Mendelian traits, flower color (red is dominant, and yellow is recessive) and seed color (brown is dominant, and green is recessive).
Use the Table button to create a Punnet square. Your Punnet square should show the possible offspring from one parent that is homologous recessive for both traits and the other parent that is heterogeneous for both traits. For flower color, use F and f, and for seed color, use S and s.
Then, based on the Punnet square you made, answer this question: What are the chances that the offspring will have the red flower, green seed phenotype? Show your work.
Answer:
Here is the plato answer !!!
FS fs Fs fS
fs FfSs ffss Ffss ffSs
fs FfSs ffss Ffss ffSs
fs FfSs ffss Ffss ffSs
fs FfSs ffss Ffss ffSs
According to the Punnett square, 4/16 plants will have red flowers and green seeds.
So, (4 ÷16) × 100 = 25% chance of obtaining offspring with red flower and green seed.
Explanation: It's 100% right.
Answer:
The answer is in the picture.
Hope this helps!
Explanation:
The ducts or tubes responsible for receiving the ovulated oocyte and providing the site for fertilization are the ________.
Which of these is FALSE?
a
Cells use ATP for cell work
b
Breaking down glucose gives off energy
c
Breaking down ATP gives off energy
d
1 ATP has more energy than 1 glucose
Answer:
D is false
Explanation:
D is false because after breaking down 1 glucose, around 36-38 ATP will be produced from ADP
A is true because cells use ATP for work
B is true, as breaking glucose makes ATP, which is just stored energy
C is true too, since ATP is an ADP connected to a phosphate. This bond contains energy and detaching the phosphate will power parts of the cell, for instance active transport systems.