10.2 Bio

Question 1

What is the first phase of mitosis?

Answer 1

Prophase

Question 2

True or False: During metaphase, chromosomes align at the cell’s equatorial plane.

Answer 2

True

Question 3

Fill in the blank: The phase of mitosis where sister chromatids separate is called _______.

Answer 3

Anaphase

Question 4

What is the final phase of mitosis?

Answer 4

Telophase

Question 5

Multiple Choice: Which phase of mitosis is characterized by the breakdown of the nuclear envelope?
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase

Answer 5

A) Prophase

Question 6

During which phase of mitosis do chromatids become individual chromosomes?

Answer 6

Anaphase

Question 7

What is the term for the segments of DNA that code for proteins?

Answer 7

Genes

Question 8

Which cellular structure is primarily involved in the translation phase of gene expression?

Answer 8

Ribosome

Question 9

What is cell differentiation?

Answer 9

Cell differentiation is the process by which a less specialized cell becomes a more specialized cell type.

Question 10

True or False: All cells in an organism have the same DNA.

Answer 10

True

Question 11

Fill in the blank: Stem cells are undifferentiated cells that have the potential to become ______ types of cells.

Answer 11

various

Question 12

Which of the following is a type of stem cell: A) Totipotent B) Unipotent C) Pluripotent D) All of the above?

Answer 12

D) All of the above

Question 13

What role do transcription factors play in cell differentiation?

Answer 13

Transcription factors regulate the expression of genes that determine a cell’s fate and identity.