Question 1

Which stage of mitosis is characterized by chromosomes aligning at the center of the cell, as shown in the first image?

Accepted Answer

Metaphase

Question 2

In the second image, which phase of mitosis is indicated by the cell with chromosomes pulled toward opposite poles?

Accepted Answer

Anaphase

Question 3

Referencing the third image, what is the main event occurring during telophase in mitosis?

Accepted Answer

Nuclear envelopes reform around separated chromosomes

Question 4

In the gel electrophoresis image (fourth image), which sample contains a DNA fragment of approximately 900 base pairs?

Accepted Answer

Sample B

Question 5

In the fifth image showing a bacterial plate, what is the clear area surrounding some discs called?

Accepted Answer

Zone of inhibition

Question 6

The sixth image shows three common bacterial shapes. Which of the following is NOT represented?

Accepted Answer

Vibrio

Question 7

Based on the seventh image (gel electrophoresis for paternity testing), which male is most likely the father of the infant?

Accepted Answer

Male 1

Question 8

In the eighth image, which phase of mitosis is most prominent in the onion root tip cells?

Accepted Answer

Anaphase

Question 9

The ninth image shows plant cells undergoing mitosis. Which phase is characterized by the formation of a cell plate?

Accepted Answer

Telophase/Cytokinesis

Question 10

During mitosis, if a parent cell has 46 chromosomes, how many chromosomes will each daughter cell have after division?

Accepted Answer

$$46$$

Question 11

If a parent cell undergoes meiosis and starts with 100 chromosomes, how many chromosomes will each gamete have after the second meiotic division?

Accepted Answer

$$50$$

Question 12

Which of the following best describes the process of gel electrophoresis?

Accepted Answer

Separating DNA fragments by size using an electric field

Question 13

What is the purpose of restriction enzymes in molecular biology experiments?

Accepted Answer

To cut DNA at specific sequences

Question 14

During which process can errors potentially occur, causing Down Syndrome?

Accepted Answer

Meiosis

Question 15

In gel electrophoresis, DNA fragments move from the negative pole to the positive pole. What property of DNA causes this movement?

Accepted Answer

DNA is negatively charged

Question 16

Which of the following is NOT a component of a DNA molecule?

Accepted Answer

Cholesterol

Question 17

What is the correct order of stains/dyes in Gram staining?

Accepted Answer

Crystal violet, iodine, alcohol, safranin

Question 18

Which of the following statements about PCR (Polymerase Chain Reaction) is correct?

Accepted Answer

PCR amplifies specific DNA sequences

Question 19

During photosynthesis, plants convert glucose into which molecule for storage?

Accepted Answer

Starch

Question 20

Which of the following best describes a heterotroph?

Accepted Answer

An organism that cannot manufacture its own food and obtains energy by consuming organic substances

Step-by-Step Guidance for Mitosis and Cell Division Questions

Study Guide - Practice Questions