Answer:
Photosynthesis: is a cellular process during which light energy is absorbed by green pigments.
Chloroplast: a sub-cellular structure of plant cell.
Chlorophyll: a green pigment found within the chloroplast.
fossils have a species of bird are found in layer 3. Which layer is most likely to have organisms that lived at the same time as the bird species ?
Look at the chemical reaction below.
Magnesium + hydrochloric acid → magnesium chloride + hydrogen
Mg + 2HCl → MgCl2 + H2
In this reaction:
Magnesium (Mg) is a
Hydrogen (H2) is a
magnesium chloride (MgCl2) is a
hydrochloric acid (HCl) is a
Answer:
In the reaction:
Magnesium (Mg) is a solid metal reactant reducing agent
Hydrogen is a gaseous product (oxidation product)
Magnesium chloride (MgCl₂) is an aqueous product (reduction product)
Hydrochloric acid (HCl) is an aqueous acidic reactant oxidizing agent
Explanation:
The reaction Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂ (g)
The above reaction can be used to demonstrate the reaction characteristic between metals and acid involving the liberation of hydrogen gas
In the reaction:
Magnesium (Mg) is a solid metal reactant
Hydrogen is a gaseous product
Magnesium chloride (MgCl₂) is an aqueous product
Hydrochloric acid (HCl) is an aqueous acidic reactant
Answer:
Mg - reactant
H2 - product
MgCl2 - product
HCl - reactant
Explanation:
Help please will give brainliest. What group was outraged, first at
the Heliocentric model (Earth
revolves around the sun) and
then at Darwin's Theory of
Evolution?
A. Astrological Society
B. National Science Foundation
C. Sun worshippers
D. The Church
Answer:
D. The Church
Explanation:
The Heliocentric model and Darwin's Theory of Evolution both were rejected by the Catholic Church. The main reason behind the rejection of the Catholic Church was that they considered the Heliocentric model and Darwin's Theory of Evolution both were opposite to the science of time. They think that it is impossible that the Earth revolves around the sun so they rejected the Heliocentric model as well as Darwin's Theory of Evolution.
What prevents organic molecules from forming on their own and remaining intact today?
Answer:
Atmospheric oxygen is too reactive
Explanation:
Describe the process of mitosis and meiosis.
Answer:
Mitosis:
Mitosis has 4 stages total and produces 2 diploid daughter cells. The purpose of mitosis is for cellular proliferation. Since we only get 2 daughter cells, the chromosome number remains the same and generic variation doesn't occur.
Meiosis:
Meiosis has 8 stages total and produces 4 haploid daughter cells. In the shortest nutshell, meiosis is mitosis but twice. The purpose of meiosis is sexual reproduction. Since we get 4 daughter cells, the chromosome number is halved and generic variation does occur.
The process of dividing the pre-existing cell into two or more daughter cells is called cell division.
Mitosis
Mitosis is defined as the division of the cell in which a single cell divides to form two daughter cells, having the equal number of chromosomes as present in the mother cell. In mitosis cell division, chromosomes duplicate and equally distribute into two diploid cells. Thus as a result, all the daughter cells come to have the same number of chromosomes compared to the mother cell. It occurs in somatic or vegetative cells.
Meiosis
Meiosis is a types of cell division in which a mother cell divides into four daughter cells and each daughter cell having only the half number of chromosomes as compared to mother cell. Meiosis cell division comprises two divisions: Meiosis I and Meiosis II
The meiosis I division is also known as reduction division. This is because it involves the formation of two daughter nuclei with just half number of chromosomes as that present in the another cell. more over, in the prophase stage of meiosis, crossing over ( interchange of chromosome segments between two homologous chromosomes) takes place. This causes the variation in the off-spring and gas a role in evolution.
The meiosis II is also called equational division because the number of chromosomes remains the same in the daughter nuclei as after meiosis I. In this way, four daughter haploid nuclei formed. Then the divison of cytoplasm of the cell ( cytokinesis) takes place and all nuclei get their own cytoplasm and form four haploids.
Hope this helps....
Good luck on your assignment...
What are the monomers (or building blocks) of proteins ?
Answer:
amino acids
Explanation:
amino acids are used by organisms to create proteins
One school of yoga recommends first inhaling normally and exhaling deeply, and then inhaling deeply and exhaling normally. Infer the effect on the body after a few minutes of this breathing????
Answer: Deep breathing is one of the best ways to lower stress in the body. This is because when you breathe deeply, it sends a message to your brain to calm down and relax.
Explanation:
What could happen if a person doesn’t get the proper amount of protein in his or her diet? The impact of a diet lacking in protein would be of little consequence. Stored proteins would assist in creating new amino acids that the body needs. The body would break down existing muscle to get the amino acids it needs.
Answer:
The body would break down existing muscle to get the amino acids it needs.
Explanation:
If a person doesn’t get the proper amount of protein in his or her diet, then the body would break down existing muscle to get the amino acids it needs, which are present in the last option.
What is the function of proteins?Proteins are made up of building blocks called amino acids; some of these amino acids can be produced by the body, while others must be obtained through the diet, so if a person does not consume enough dietary protein, their body may not have access to enough essential amino acids to build and repair tissues or produce enzymes. As a result, the body may break down muscle tissue in order to obtain the amino acids it requires, resulting in muscle wasting; the immune system may not function optimally; and so on.
Hence, the body would break down existing muscle to get the amino acids it needs, which are present in the last option.
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The question is incomplete, complete question is below
What could happen if a person doesn’t get the proper amount of protein in his or her diet? The impact of a diet lacking in protein would be :
of little consequence.
Stored proteins would assist in creating new amino acids that the body needs.
The body would break down existing muscle to get the amino acids it needs.
The diagram shows a phase of mitosis. A phase of mitosis is shown. The chromosomes lined up at the center. Letter A represents long strings inside of the cell. Which does the letter A represent in the diagram? centriole chromosome centromere spindle
Answer:
D
Explanation:
D
Examine the Role of Lipids in Your Body Fat around organs
Explanation:
Excess energy from food is stored as adipose tissue in the body. Fats are critical for maintaining body temperature, cushioning vital organs, regulating hormones, transmitting nerve impulses, and storing memory. Lipids transport fat-soluble nutrients and phytochemicals and promote bioavailability of these compounds.
Answer:
Protection
Explanation:
Edge 2021
Symbiotic relationships may evolve ?
rapidly over a short period of time throughout all species.
all of the above
very quickly to remove all benefits acquired by the relationship.
over time by co-evolution of adaptations that reduce the harm or improve the benefit of the relationship.
Answer:
the last answer
Explanation:
over time by co-evolution of adaptations that reduce the harm or improve the benefit of the relationship
Thyroid cells and cardiac cells have different DNA. True or False
Answer:
false
Explanation:
Answer:
false
Explanation:
Before the presence of living organisms earth was a very different place match each fact about preCambrian earth to the sphere most affected by it ?
Answer:
Atmosphere - Oxygen spilled into this sphere from ocean waters;
Biosphere - Cyanobacteria started to emerge as a life form;
Hydrosphere - Oceans contained far less salt than they do today;
Lithosphere - Oxidation in rocks and minerals was not possible;
Explanation: plato
Where are the instructions that control a
cell's activities found?
Answer:
In the nucleus
Explanation:
The location depends on the type of the cell (whether animal or plant).
If it is an animal cell it is located in the center. And if a plant cell it is located around the edge pf the cell
The nucleus is a sub-cellular structure that controls all activities done within the cell.
Answer:
The instructions that control a cell's activities found in the nucleus.
Explanation:
Each of your cells has a boss, too and that is the nucleus.
Most of Earth's volume is contained in the
O lithosphere
O crust
O asthenosphere
O mantle
Answer:
mantle
Explanation:
The mantle takes up most of the Earth's volume. The mantle makes up 84% of the Earth's total volume.
Answer:
Mantle
Explanation:
The mantle is the mostly-solid bulk of Earth's interior. (1802 miles) thick, and makes up a whopping 84% of Earth's total volume. That allows the crust to “float” on the sometimes more malleable mantle.
Have a good day and stay safe!
If we place an enzyme in a strongly acidic pH, which of these is most likely to happen?
Answer: The reaction wouldn't happen
Explanation:
Which of the following suggests Mars may have once supported life?
Fossils have been found on Mars' surface.
Flood plains indicate water may have existed in the past.
Rocks on the planet's surface have high concentrations of iron.
Mars' atmosphere contains carbon dioxide, just like Earth's atmosphere.
Answer:
Flood Plains indicate water may have existed in the past.
Explanation:
Flood plains have been found on mars and I got this question correct in OW
Hope I helped:)
Have a great day!!!
The flood plain indicate water may have existed in the past, which suggest that Mars may have once supported life. The correct option is B.
What is flood plain?A floodplain or floodplains is a flat area of land adjacent to a river or stream. It stretches from the river's banks to the valley's outskirts
The suggestion that reveals that Mars may have once supported life is that flood plains indicate water may have existed in the past.
Thus, the correct option is B.
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How does this image compare to the white blood cells you saw using Stella’s compound microscope? What are the pros and cons of using electron and compound microscopes? In your response consider cost and ease of use.
Answer:
The Resolution and Magnify power are the major differences between the electron microscope compare to compound microscope. This is due to the source of power for the operation,Light rays of (400-700nm) are used by the compound microscopes,while short frequencies beam of electrons of( 1 nm)are used by the Electron Microscope.
The compound microscope consists of objective lens with short focal length.They are therefore used for magnification of tiny objects.While the E. microscope makes use of beam of electrons(compare to light rays in the compound microscope) with higher resolutions.The beam of electrons are focused by magnetic lenses to give images.
Electron microscope is cumbersome to use,it is expensive, requires a lot of expertise, and occupies large space.
Compound are less expensive with low maintenance,it does not requires expertise;very easy to operate, and can easily be moved about.
There is low risk of radiation with compound,lower magnification,both dead and living creatures can be used.
E.microscope,has high radiation risk,higher magnification, with only dead materials.
Explanation:
White blood cells are the immune cells that protect the body. They are also known as leukocytes or leucocytes.
The compound microscope magnifies objects lesser than the electron microscope. We can see higher magnified things in the electron microscope.
Pros and cons of electron and compound microscopeCompound microscopes are easier to move and set up because they are small and light.Electron microscopes are heavy and higher. They are harder to set up and move.Electron microscopes use electromagnet glasses, whereas compound microscopes use glass lenses.Compound microscopes are cheaper than electron microscopes.Thus, these are the pros and cons of Compound microscopes and Electron microscopes.
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Children are vaccinated against tetanus. Explain why these children do not get tetanus if the bacteria enter their body through a cut in the skin. (REFER TO IMMUNITY DUE TO VACCINATION)
Answer:
Hope it helps u
Explanation:
They do not get infected with tetanus because they have already been vaccinated which means there are white blood cells and antibodies ready to fight tetanus.
Their immune system is safe because the antibodies won’t let them feel sick.
True or false a peptide bond can be formed between the 2 atoms that are indicated by the arrows??? and explain why please!!
Answer:True
Explanation:
In the human body, which of the following is considered an external defense in the prevention of disease? Mucous O Histamines O Antibodies O Fever
Answer:
I believe it would be Mucous
Explanation:
Since Histamines and Antibodies are chemicals that are inside a human body they are not an external defense. Also, a fever can only happen if the disease gets inside the body, thus its not an external defense. All this leaves only one option out and that is Mucous.
Answer:
Mucous
Explanation:
what are the rights and elements of participation of american citizens?
Answer:
American Citizens have the right to vote, due process, live and work in the United States and to receive federal assistance, as well as freedom of expression.
Explanation:
Citizens have the right to “Life, Liberty and the Pursuit of Happiness.” Government, under the Constitution, was designed to “Promote the General Welfare and secure the Blessings of Liberty.”
Some organisms in the ecosystem obtain energy and nutrients from plants these organisms stores the energy in their bodies what happens to the energy in the ecosystem organism die
Answer:
It goes to the plants or the predators that ate the organisms
Explanation:
Decomposers will break down carcasses into nutrients and provide nutrients for plants in the form of dirt
However if the organism is killed by a predator, the predator will then receive their share of energy by eating the organism.
The resistance to the pesticide in insects occurred because
A) chance and would not occur again
B) favourable change in DNA of the insects
C) insecticide DDT
D) the food source of the insects
Answer:
The correct answer is option B. favorable change in DNA of the insect.
Explanation:
At the point when a pesticide is first utilized, a little extent of the pest population may survive to introduction to the material because of their particular hereditary or genetic makeup. These surviving individuals pass along the gene resistance to particular insecticide or pesticide to next generation.
Upon introduction to pesticides, insects that don't have the resistance die eventually, in this manner permitting the insects with the resistance genes to endure and reproduce,creates more resistance insects.
Thus, the correct answer is option B. favorable change in DNA of the insect.
1. An organism that kills and eats all or part of another organism
a. predator
b. prey
C. consumer
d. producer
Answer:
A
Explanation:
Answer:
predator
Explanation:
predators kill and eat all parts of another organism.
What term means that organisms are structurally and functionally related?
Answer:
homologous structure
Descartes believed in dualism, the view that the mind and the body are:
a. empirical.
b. opposing physical entities.c. separate.
d. the same thing.
Answer:b
Explanation:
bevause i know it is right
Use the drop-down menus to label the parts of a
nucleotide.
Label A
Answer:
A- phosphate group
B- 5-carbon sugar
C- nitrogenous base (adenine is a purine, just in case)
D- nitrogenous base (uracil is only found in RNA)
E- 5-Carbon sugar
F- phosphate group
Explanation:
Answer:
what the guy above me said
Explanation:
because its true
Which of the following compares the rainforest and the tundra environments correctly? A rainforest is hotter than the tundra because it is closer to the equator. A rainforest is less humid than the tundra because of its higher elevation. A tundra has higher temperatures than the rainforest because it receives more sunshine. A tundra has higher humidity than the rainforest because of its proximity to water bodies.
Answer:
the first one
Explanation:
A rain forest is hotter than the tundra because it is closer to the equator
Which statement paraphrases this excerpt best?
Good night, Casca. Isn't tonight's weather wonderful?
Good night, Casca. We should walk in this weather because it is sunny and warm.
Good night, Casca. See you tomorrow. Walk safely.
Good night, Casca. We shouldn't be walking in this weather.
Answer:
Good night, Casca. See you tomorrow. Walk safely
Explanation: