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marta [7]
2 years ago
9

I WILL GIVE BRAINLIEST1

Biology
1 answer:
spayn [35]2 years ago
6 0

Answer:

the answer is B

Explanation:

Sorry about those idiots from the other question

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How does oxygen enter your<br> bloodstream?<br> Please help
AleksandrR [38]

Answer:

haemoglobin

Explanation:

Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body

7 0
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20 POINTS
charle [14.2K]
Cell wall - Adds structural support to the cell. Holds the cells together
Cell membrane - Serves as a barrier to the cell and allows more nutrient and molecules to move in and out of the cell without letting things that can harm the cell in. 
Outer membrane - Serves the same basic functions a the cell membrane. (Depending on how complicated the class your in is, I would visit this website for more information... https://en.wikipedia.org/wiki/Bacterial_outer_membrane )
Pili - Help the cell move and attach the bacteria to surfaces are other cells. 
DNA - Contains the genetic instructions on what the cell can physically do, operate, and reproduce. 
Flagellum - Helps the cell move. It kind of acts like a propeller for the cell so that it can move around. 
8 0
3 years ago
Does anyone understand what is aerobic respiration and anaerobic respiration? thx
noname [10]
Aerobic respiration is producing of cellular energy involving oxygen.
Anaerobic respiration is respiration using electrons through molecular oxygen.
4 0
3 years ago
Based on genomic studies, when did a change in gene sequences occur that lead to a change in the way that the brain processes sp
xxTIMURxx [149]
The answer for this question would be the second option. Genomic studies cover the analysis of the changes of genome by scanning the markers across complete sets of DNA. Based on these studies, the change in gene sequences happen that resulted to a change in the way that the brain interprets speech in between 4 and 9 million years ago.
6 0
3 years ago
Read 2 more answers
Plants absorb nitrogen from: the atmosphere the soil water
zhenek [66]

Answer:

Plants absorb nitrogen from: the soil ( second choice)

4 0
3 years ago
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