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natta225 [31]
3 years ago
5

Which of the following describes the role of cyclic AMP (cAMP) in hormone response? A. cAMP receives messages from mRNA to begin

protein synthesis. B. cAMP opens a pore for steroid hormones to enter the nucleus. C. cAMP are molecules that bind and captures the nonsteroid hormone. D. cAMP receives a message from a nonsteroid hormone and carries the message into the cell.
Biology
1 answer:
Advocard [28]3 years ago
3 0

Answer:

D

Explanation:

Hormones are bigger than the cell pores hence cannot pass through the cell membrane to influence biochemical processes. Therefore, hormones (such as glucagon and insulin) bind onto receptors on the cell membrane, then transmembrane proteins, such as the G-protein, change conformation activating the secondary messengers inside of the cell. Cyclic- AMP is a major secondary messenger  significant in activating protein kinases.

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What are the photosynthesis and respiration reactions? (i need a short answer)
elena55 [62]

Answer:

Reactions to respiration is -Cellular respiration is the chemical reaction in which glucose and oxygen are turned into water, carbon dioxide, and energy (ATP). In this reaction, glucose and oxygen are reactants, while water, carbon dioxide, and energy (ATP) are products.The  reaction to photosynthesis is -process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2. This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products.

Explanation:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

8 0
3 years ago
Which two factors that influence weather are caused by the uneven heating of Earth’s surface by sunlight?
Troyanec [42]

Answer: Option A.

Explanation:

Uneven heating of the Earth surface is talking about convection. This lead to some part of the atmosphere to be warmer than the other part and there is alterations in volume and pressure which can influence weather, updrafts and cause thunderstorm.

The formation of convection currents in the atmosphere influence weather and are caused by the uneven heating of Earth’s surface by sunlight.

6 0
3 years ago
The atmosphere is a dynamic system, meaning it changes continuously. It is affected by
stealth61 [152]

Answer:

All of the above

Explanation:

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lamarcks theory of evolution includes the concept that new organs in a species will appear as a result of
ycow [4]

Answer:

continual increases in population size

Explanation:

example

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