3 Weeks Exam Retake (1)
- 1.
The following illustration depicts which stage of mitosis.- A.
Metaphase
- B.
Telophase
- C.
Prophase
- D.
Anaphase
- 2.
What type of bonds hold the DNA strands together?
- A.
Hydrogen Bonds
- B.
Nitrogen Bonds
- C.
Phosphate Bonds
- D.
Helium Bonds
- 3.
Which of the following is not part of interphase, which is the longest phase of the cell cycle?
- A.
G0
- B.
G2 G2
- C.
G1
- D.
S-Phase
- 4.
Which process produces gametic (sex) cells?
- A.
Meiosis
- B.
Mitosis
- C.
Option 3
- D.
Option 4
- 5.
Which process produces somatic (body/diploid) cells?
- A.
Mitosis
- B.
Meiosis
- C.
Option 3
- D.
Option 4
- 6.Which process produces diploid cells (2n)?
- A.
Mitosis
- B.
Meiosis
- C.
Option 3
- D.
Option 4
- 7.Which process produces haploid cells (n)?
- A.
Meiosis
- B.
Mitosis
- C.
Option 3
- D.
Option 4
- 8.Which biomolecule is made of subunits that contain a phosphate, sugar, and nitrogen base?
- A.
Nucleic Acid
- B.
Carbohydrates
- C.
Proteins
- D.
Lipids
- 9.
Which of the following has the steps of mitosis in the correct order?
- A.
Prophase, Metaphase, Anaphase, Telophase
- B.
Telophase, Metaphase, Anaphase, Prophase
- C.
Metaphase, Prophase, Anaphase, Cytokynesis
- D.
Option 4
- 10.
Before DNA replication it has to unzip then unwind with the help of enzymes.
- A.
True
- B.
False
- 11.Meiosis produces-
- A.
4 Genetically Different Haploid Sex Cells
- B.
4 Identical Cells
- C.
4 Identical but Genetically Different Cells
- D.
2 Genetically Different Haploid Sex Cells
- 12.
Crossing over between non-sister chromatids during meiosis is significant in heredity. This process most likely leads to an increase in which of the following?
- A.
Genetic variation
- B.
Number of gametes.
- C.
The occurrence of polyploidy
- D.
The expression of dominant traits
- 13.
The diagram below shows the process of meiosis.The segregation that occurs during meiosis results in a-
- A.
Reduction in the number of chromosomes per cell.
- B.
Decrease in the total number of cells per organism.
- C.
Single fertilized egg.
- D.
Group of genetically identical cells
- 14.The sequence of nitrogen bases in DNA varies. The sequence of the bases in DNA is most important for which of the following?
- A.
Providing the instructions for traits of an organism
- B.
Preventing mutations from occurring during DNA Replication
- C.
Allowing the DNA to have the shape necessary for replication.
- D.
Helping the sugar phosphate backbone
- 15.
All of the following are true EXCEPT-
- A.
In animal cells the division of the cytoplasm does not occur.
- B.
In animal cells the cell membrane is drawn inward until it pinches off.
- C.
In plant cells a cell plate develops.
- D.
In a plant cell the cell wall does not pull inward.
- 16.
Which statement applies to meiosis?
- A.
Four Daughter cells are haploid and genetically different
- B.
Two daughter cells are identical
- C.
Production of body cells
- D.
The daughter cells are diploids
- 17.
What structure allows the chromosomes to split during cell division?
- A.
Spindle Apparatus
- B.
Centrioles
- C.
Chromosomes
- D.
Nuclear Envelope
- 18.
Which statement best describes the DNA molecules made from this process?
- A.
The two new DNA strands are identical with one strand from the original and one new strand.
- B.
Both strands are not identical.
- C.
The sequence in both strands are different.
- D.
The amount of the DNA in the new strand is more that the original.
- 19.
In which of the following statements does meiosis play a more significant role than mitosis?
- A.
In genetic variation.
- B.
In the formation of diploid cells.
- C.
In the production of enzymes
- D.
Forming body cells.
- 20.
What is the differene between the cells at the start of the s-phase and ones at G2
- A.
The cells in G2 will have double the amount of DNA.
- B.
The cells in G2 will have no change in the amount of DNA.
- C.
The cells in the S-Phase have the more DNA.
- D.
The cells in G2 will look exactly like the ones in entering the S-Phase. No changes.
- 21.
The following image depicts what phase of mitosis?
- A.
Anaphase
- B.
Telophase
- C.
Metaphase
- D.
Prophase
.jpg "The following image depicts what phase of mitosis?")
Back to top