Biology - Study Mode

[#211] During which stage of mitosis does cytokinesis usually occur in animals?
Correct Answer

(D) Telophase

Explanation

Solution: During telophase cytokinesis usually occur in animals.

[#212] During the metaphase and anaphase stages of cell division, each chromosome comprises of two unseparated replicas known as the
Correct Answer

(C) Chromatids

Explanation

Solution: During the metaphase and anaphase stages of cell division, each chromosome comprises of two unseparated replicas known as the chromatids.

[#213] The main function of the Golgi body is
Correct Answer

(D) Secretion

Explanation

Solution: A Golgi body, also known as a Golgi apparatus, is a cell organelle that helps process and package proteins and lipid molecules, especially proteins destined to be exported from the cell.

[#214] Which organelle is the control center of a cell?
Correct Answer

(A) Nucleus

Explanation

Solution: The nucleus is the largest organelle in a eukaryotic cell and is considered to be the cell's control center. It contains most of the cell's DNA, which makes up chromosomes and is encoded with the genetic instructions for making proteins.

[#215] Which of the following organelles of a cell is involved in photosynthesis?
Correct Answer

(A) Chloroplast

Explanation

Solution: In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll. Chloroplasts are surrounded by a double membrane and contain a third inner membrane, called the thylakoid membrane, that forms long folds within the organelle.