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schepotkina [342]
3 years ago
11

What would happen if the earth's orbit suddenly became smaller?

Biology
1 answer:
Taya2010 [7]3 years ago
3 0
It's A) The Earth's water would evaporate. This is because due to the smaller orbit, Earth would get closer to the sun; that would, in turn, raise the tempurature on the surface. This would cause the water on earth to evaporate much faster than it naturally does in the water cycle.
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Gas exchange involves the transport of two respiratory gases, oxygen and carbon dioxide. Match each statement into the appropria
ryzh [129]

Answer:

a. both oxygen and carbon dioxide

b. carbon dioxide only

c. carbon dioxide only

d. oxygen only

e. carbon dioxide only

f. oxygen only

g. oxygen only

h. oxygen only

Explanation:

This question is describing the gaseous exchange of carbon dioxide and oxygen that occurs during cellular respiration. The gaseous exchange occurs via a structure called ALVEOLI OR AIR SAC.

According to this question, the following statements in the question will be matched with whether it applies to oxygen only, carbon dioxide only, or both oxygen and carbon dioxide:

a. Both oxygen and carbon dioxide are diffused through the alveoli capillaries.

b. Carbon dioxide is the waste product of cellular respiration (excreted via the lungs).

c. Carbon dioxide have the ability to form carbonates (CO3²-) and are sometimes transported in that form.

d. Oxygen from the lungs diffuse into the alveoli during inhalation.

e. Carbon dioxide from the body tissues are carried by the blood into the alveoli in order to be transported out of the body.

f. Inhalation is the taking in of air (oxygen-containing). Hence, oxygen only enters alveoli during inhalation.

g. Oxygen is the necessary substance needed by cells in order to perform cellular respiration (aerobic).

h. Haemoglobin is an iron-based protein present in the blood cells. It possess affinity for oxygen and carries oxygen in the blood.

6 0
3 years ago
If a stationary body of water has a constant temperature from top to bottom it is most likely a(n) _______.
Burka [1]
B would be the best answer                                                                                                                                     
3 0
3 years ago
Read 2 more answers
Put the steps of the process of signal transduction in the order they occur: 1. A conformational change in the signalreceptor co
spayn [35]
<h2>The sequence of answer is: </h2><h2>3. > 1. > 5. > 2. > 4. </h2>

Explanation:

  • Signal Transduction is the process by which impulses or information about the external environment are transferred from the exterior of the cell to the interior of the cell so that the cell can give the appropriate response.
  • The sequence of signal transduction involves the following steps:
  1. The signal molecule that carries the information of the external environment of the cell binds to its cognate receptor molecule, usually present on cell surface, or inside the cell.
  2. This binding causes a change in the conformation of the signal-receptor complex molecule which in turn activates an enzyme, associated with the receptor molecule.
  3. This  causes the release of secondary messenger molecules like calcium ions, etc, from the endoplasmic reticulum or mitochondria or formation of cyclic AMP (adenosine monophosphate).
  4. They causes the activation of protein kinase by binding to them.
  5. The activated protein kinase phosphorylates target proteins that may give different responses like transmission of the signal to the nucleus for the transcription of genes or can bring about alternation of cell structure by causing change in the cytoskeletal arrangement in the cells.
8 0
3 years ago
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Which layer of the atmosphere protects earth from meteoroids
rosijanka [135]

Answer:

it is the stratosphere

8 0
3 years ago
When you raise your RIGHT hand, where does the command to raise it originate?
k0ka [10]

Answer:

The left hemisphere. It's a pretty broad answer but yea

The left side of your brain controls the right side of your body

7 0
2 years ago
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