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cluponka [151]
3 years ago
15

In the human body, oxygen is absrobed by the lungs and nutrients are absorbed by the small intestine.In a single-celled organism

,what this absorption directly involves
Biology
1 answer:
SOVA2 [1]3 years ago
4 0

Answer:

cell membrane

Explanation:

Single cell organisms like the bacteria depend mostly on diffusion for gaseous exchange. They take in food that does not require complex digestion processes. The cell membrane is selectively permeable and allows absorption of nutrients like glucose that have molecules of small size.

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The lysosomes<span> are the animal cell's "garbage disposal", while in plant cells the same function takes place in </span>vacuoles<span>. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells.</span>
3 0
3 years ago
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How does a developing fetus change in the third trimester?
lutik1710 [3]

Answer:

hope it helps..

Explanation:

During the third trimester, the fetus continues to grow in size and weight. The lungs are still maturing. The fetus starts to position itself head-down. By the end of the third trimester, the fetus is about 19 to 21 inches long and weighs about 6 to 9 pounds.

7 0
3 years ago
Carry the same genes at the same locus (Location)
Rasek [7]

Answer:

C.

Explanation:

Diploid and polypeptide cells whose chromosomes have the same allele at a given locus are called homologous with respect to that locus, while those that have different alleles at a given locus are called heterogeneous. The ordered list of loci known for a particular genome is called a gene map.

8 0
3 years ago
What are all the things that are kept the same in a experiment
muminat

Answer:

Explanation:

The things that are changing in an experiment are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled

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3 years ago
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The human pancreas is an organ that plays an important role in the process of digestion. The pancreas secretes an enzyme known a
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Pancreas is an endocrine gland . It secretes lipase as well. lipase breaks down fats into glycerol by the process of emulsification. it secretes hormones insulin and glucagon
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