The cytoskeleton of a cell is comprised of which of the following macromolecules?

A. Nucleic acids

B. Proteins

C. Carbohydrates

D. Lipids

Answer Explanation:

The cell cytoskeleton comprises of a network of different protein fibers that regulate many cellular functions. The cytoskeleton comprises of microfilaments, intermediate filaments, and microtubules.

Therefore, the Correct Answer is B.

Q #1: The rough ER has its name due to what associated structures?

A. Golgi apparatus

B. ribosomes

C. lysosomes

D. proteins

Answer Explanation
Q #2: Which of the following is the main function of centrosomes in animal cells?

A. Organelle trafficking

B. Pathogen digestion

C. Microtubule organization

D. Cytoplasm formation
Answer Explanation

Centrosomes in cells are involved in:
- Cell division
- Maintain number of chromosomes during cell division
- Stimulate the changes in the shape of cell membranes
- Mitosis to help organize the microtubules
Q #3: Which of the following structures is present in both prokaryotic and eukaryotic cells?

A. Chloroplast

B. Golgi apparatus

C. Endoplasmic reticulum

D. Cell membrane

Answer Explanation

The main different between eukaryotic cells and prokaryotic cells is that eukaryotic cells are made up organelles bound in membranes whereas prokaryotic cells comprise of organelles that are not bound in a membrane. Besides, a nucleus is absent in the prokaryotic cells.

Despite the differences, common cell structures in both eukaryotes and prokaryotes include plasma membrane, ribosomes, cytoplasm and DNA.

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The cytoskeleton of a cell is comprised of which of the following macromolecules?

More Questions on TEAS 7

Q #1: The rough ER has its name due to what associated structures?

Answer Explanation

Q #2: Which of the following is the main function of centrosomes in animal cells?

Answer Explanation

Q #3: Which of the following structures is present in both prokaryotic and eukaryotic cells?

Answer Explanation

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