Answer:
there are 4: paracrine signaling, autocrine signaling, endocrine signaling, and synaptic signaling
Explanation:
paracrine:cells that are near one another communicate through the release of chemical messengers
autocrine: a cell signals to itself, releasing a ligand that binds to receptors on its own surface
endocrine:When cells need to transmit signals over long distances, they often use the circulatory system as a distribution network for the messages they send.
synaptic: nerve cells transmit signals. The junction between two nerve cells where signal transmission occurs.
Chicken nuggets and fries
Adenine (A) binds with Thymine (T).
<span>Guanine (G) binds with Cytosine (C).
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Adenine and Guanine are purines. Thymine and Cytosine are pyrimidines.
Hope this helps !
Photon
Answer:
Explanation:
A food chain only follows one path of what food animals eat. A food web consists of many food chains that show how plants and animals are connected. In conclusions, a food chain focuses on a certain animal or their path and they are linear. Food webs are more complex which show how the ecosystem works together to create a balance.
Answer:
B.
Explanation:
Biome is a combination of two words 'bio+ome,' which means life and its specified nature.
In simple terms, biome can be defined as a naturally occuring of a large number of flora and fauna that occupies major part of nature. Ecologists, who study biomes, defines it as a large community of flora and fauna that resides in the same ecology or environment. Biome not only consists of flora and fauna but also its abiotic factors such as the adaptation of animals in different environment.
Therefore, option B is correct.