Cell Membrane and Organelles

Practice Questions

GRE Subject Test: Biology › Cell Membrane and Organelles

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1

Ribosomes are the organelle responsible for the translation of mRNAs into proteins. To do this, ribosomes translate the mRNA codons into amino acids which are joined to form a long polypeptide. The ribosome has a catalytic domain that is responsible for the formation of the peptide bonds between these amino acids. What is the name, i.e. the enzymatic classification, of this domain in the ribosome?

2

Ribosomes are the organelle responsible for the translation of mRNAs into proteins. To do this, ribosomes translate the mRNA codons into amino acids which are joined to form a long polypeptide. The ribosome has a catalytic domain that is responsible for the formation of the peptide bonds between these amino acids. What is the name, i.e. the enzymatic classification, of this domain in the ribosome?

3

Ribosomes are the organelle responsible for the translation of mRNAs into proteins. To do this, ribosomes translate the mRNA codons into amino acids which are joined to form a long polypeptide. The ribosome has a catalytic domain that is responsible for the formation of the peptide bonds between these amino acids. What is the name, i.e. the enzymatic classification, of this domain in the ribosome?

4

Which of the following is a potential function of cell junctions?

I. Anchor adjacent cells

II. Anchor the extracellular matrix

III. Communicate with neighboring cells

5

Which of the following is a potential function of cell junctions?

I. Anchor adjacent cells

II. Anchor the extracellular matrix

III. Communicate with neighboring cells

6

Which of the following is a potential function of cell junctions?

I. Anchor adjacent cells

II. Anchor the extracellular matrix

III. Communicate with neighboring cells

7

Which of the following is a function of membranes?

8

Which of the following is a function of membranes?

9

Which of the following is a function of membranes?

10

Which of the following conditions would result in a more fluid membrane?

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