Download Cell Nucleus Quiz Answers

Cell Nucleus Quiz Answers
1. True or False: The nucleus is found in all cells.
false 2. True or False: Human cells have 46 genes.
false 3. Describe the role of DNA.
DNA is the genetic material. It is like a set of instructions. DNA tells the cell how to build molecules needed for the cell to function properly. 4. What is a chromosome?
A chromosome is a strand of DNA wrapped around proteins. Chromosomes contain genes. 5. How do ribosomes move from the nucleus to the cytoplasm?
Ribosomes flow out the nuclear pores into the cytoplasm. 6. Which best describes the nuclear envelope?
a) A double membrane that controls what goes in and out of the nucleus.
b) The outside boundary of the nucleus.
c) The nuclear covering that controls what’s inside the nucleus.
d) A Bilayer that surrounds the nucleus.
7. Which best describes a gene?
a) A unit of DNA that is wrapped around proteins.
b) A unit of DNA that contains code for the creation of one protein.
c) A unit of DNA that gives an individual a trait.
d) An area within the nucleus where ribosomes are made.
8. Which of the following statements is false.
a) Ribosomes are the site of protein synthesis.
b) Human cells have 46 chromosomes.
c) Within the nucleolus is the nucleus.
d) Ribosomes are made in the nucleolus.
9. What is the role of the nuclear pores?
a) Nuclear pores determine what enters and leaves a cell.
b) Nuclear pores allow ribosomes to be made in the nucleus.
c) Nuclear pores allow things to flow in and out of the nucleus.
d) All of the above describe roles of the nuclear pores.
10. In prokaryotic cells, what is located within the nucleus?
a) the DNA
b) the nucleolus
c) the nuclear pores
d) Prokaryotic cells do not have a nucleus.