ATI RN
Questions About Cells and Tissues Questions
Question 1 of 5
One of the functions of integral proteins in cell membranes is to:
Correct Answer: D
Rationale: Some proteins form channels which allow molecules and ions to enter the cell.
Question 2 of 5
Which of the following is true for connective tissue?
Correct Answer: D
Rationale: Connective tissue includes fibres and cells which are not closely packed.
Question 3 of 5
What happens during anaphase of mitosis?
Correct Answer: A
Rationale: Separation of the two chromatids of a chromosome occurs at anaphase. Choice D is cytokinesis and begins in late anaphase and continues into telophase.
Question 4 of 5
Which statement is true of the 23 chromosomes within a sperm?
Correct Answer: C
Rationale: A sperm has 23 chromosomes which is the haploid number. The male that produced the sperm has 46 chromosomes(23 pairs) in their somatic cells "“ 23 each from the man's father and mother. When sperm are produced, the 46 chromosome assemble and pair up. The man's X and Y chromosomes pair up. Each pair of chromosomes then separates so that only one of each pair moves into a new sperm. Which one of the pair ends up
Question 5 of 5
The basic shapes of epithelial cells include all but which of the following?
Correct Answer: A
Rationale: Stratified refers to layers, not a shape.