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Nimfa-mama [501]
3 years ago
13

What does the DNA serve as?

Biology
2 answers:
guapka [62]3 years ago
5 0
Building blocks for are body
garik1379 [7]3 years ago
5 0

Answer:

DNA carries the genetic instructions for the reproduction of all known organisms.

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Red blood cells,carrying dioxide(a waste product of cellular respiration) travel in the blood vessel to the lung; to get rid of
alexandr1967 [171]

Answer:

True.

Explanation:

Red blood cells or erythrocytes carry oxygen to the cells of the body so that they can have energy and function properly. This is not the only function of red blood cells. Also, they carry dioxide, which is a waste product that needs to be out of our body. Erythrocytes carry the dioxide to the lungs, specifically to the alveoli. In the alveoli due to the inhalation, oxygen enters our body traveling up to the lungs, specifically to the alveoli, where thanks to the thin wall of it as well as the one on the capillaries that are in contact with it, the dioxide enters the lungs to be expelled in the exhalation, and the oxygen is taken by the red blood cells to be used in the cellular respiration and generate energy to keep the vital functions of our body.

3 0
3 years ago
What five factors affect photosynthesis and it's rate?
mixer [17]
There are more than 5 factors, but here are perhaps the most important ones:
1) Light: Light energy is a crucial component in photosynthesis, as it is the primary energy source of the process.
2) Carbon Dioxide: Another key ingredient in photosynthesis.
3) Temperature: There is an optimum temperature for photosynthesis that varies from organism to organism. Too cold or two hot, and rate of photosynthesis will be lower. 
4) Water - Like almost all life process, water is a key component in photosynthesis. 
5) Oxygen. A common misconception is that plants only "breathe in" carbon dioxide and expel oxygen. Plant cells actually require oxygen as well in order to function, and thus oxygen is a necessary part of photosynthesis. 
8 0
3 years ago
Read 2 more answers
Order the parts of the digestive system to trace the path of a bolus of food from ingestion to excretion. Use the correct answer
n200080 [17]

Answer:

A) Food enters the mouth

B)  Esophagus

C)  Stomach

D)Cecum

E) Feces is expelled

Explanation:

The food is ingested through the mouth and and then it is transported through the esophagus to the stomach from where it reaches the small and large intestine and then it is finally expelled as undigested or waste foo product.

Based on the above brief explanation, the flow chart depicting food movement are as follows -

a) Food enters the mouth

b) Esophagus - known as the food pipe

c) Stomach

d)Cecum - it is a small pouch connected to small and large intestine.

e) Feces is expelled through rectum

6 0
3 years ago
Explain how the inputs of cell respiration, oxygen and sugar change into energy carbon dioxide, and water.
labwork [276]
During photosynthesis, the plant needs carbon dioxide and water-- both of which are released into the air during respiration. And during respiration, the plant needs oxygen and glucose, which are both produced through photosynthesis!
5 0
3 years ago
Which of the following is NOT a function of a protein?
vekshin1

The storage + the transmission of genetic info are NOT done by proteins but by your DNA.

A would be your answer.

8 0
3 years ago
Read 2 more answers
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