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Kryger [21]
3 years ago
8

Plants have an added layer that animal cells do not. What is that added layer called?

Biology
1 answer:
zhenek [66]3 years ago
3 0

Answer:

a cell wall

Explanation:

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Each chromosome in this homologous pair possesses a different allele for flower color. Which statement about this homologous pai
Stells [14]

Answer:

These homologous chromosomes represent a maternal and a paternal chromosome

Explanation:

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3 years ago
How does photosynthesis yield sugar? sumarize how the light-capturing reactions a?
julsineya [31]
Answer
            Photosynthesis yield sugar in two main steps

1. Light reaction
                           
In this step plant absorb sunlight which cause photolysis of water and excitation of electron. this electron flow through Z-scheme and atlast enter into NADH,  the end product of light reaction is ATP and NADH₂.

2. DArk reaction.
In this step ATP and NADH₂ are used as raw materials. it occurs in stroma of chloroplast. here CO₂ is used through Calvin cycle and at the end glucose is prepared.

6 0
3 years ago
What is gene flow?
Naya [18.7K]

It is the transfer of genes from one gene pool to another.

4 0
3 years ago
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Both the heart and arteries contract to pump blood throughout the body. Please select the best answer from the choices provided.
rosijanka [135]

The heart and the arteries of a person, both contracts to pump the blood throughout the body. The aorta, which is the largest artery of the human body, pumps the blood from the heart to the entire body of a person. The oxygen-rich blood is pumped out of the left ventricle when its contraction into the aorta, from where it is transported to the whole body.

Hence, the given statement is true.

6 0
3 years ago
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what is the relationship between exposing to a virus and developing immunity to it? cite evidence from the text to support your
den301095 [7]

Answer:

Exposure to a virus is closely related to the development of immunity, since the immune system is responsible for creating antibodies in response to the presence of potentially harmful biological agents, such as these viruses.

Explanation:

Viruses are biological agents that can produce diseases when they enter the body of a living being.<u> In response to contact with a virus, the</u><u> immune system</u><u> synthesizes specific </u><u>antibodies</u> to combat the foreign biological agent.

Antibody immunity can be of two types. It is fast when it is mediated by immunoglobulins M (IgM), which attack the virus anywhere, while the late and prolonged response is due to the development of immunoglobulins G (IgG).

An example of immunity to a virus occurs with the exhibition to the virus of the Dengue, that creates permanent immunity to the viral serotype to which an individual is exposed.

The acquired immunity, mediated by antibodies, is the base for the development of vaccines.

8 0
3 years ago
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