Download BIO113 Ex 3 sample Q → The questions are NOT comprehensive

BIO113 Ex 3 sample Q
 The questions are NOT comprehensive. Review the notes and corresponding textbook sections. These
are for practice and are not actual exam questions.
1. DNA is composed of
a. A single strand of nucleotides in a particular order
b. 2 strands twisted around each other
c. Amino acids that form a code
d. Sugar molecules in a triple helix arrangement
2. If one strand of DNA has the sequence: TTA, then the complementary strand is:
a. TTA
b. AAT
c. CCG
d. GGC
3. The difference between eukaryotic and prokaryotic
a. one is a cell, the other is not
b. one has a nucleus, the other does not
c. one contains DNA the other does not
d. one has a cell membrane, the other does not
4. Which of the following is a single entity (just one) in a human cell?
a. nucleotide base
b. gene
c. chromosome
d. genome
5. In the process of engineering rice plants to express a vitamin A gene, one must:
a. Obtain a vitamin A gene from another plant that makes vitamin A
b. Make sure the pests that eat the rice are sensitive to vitamin A
c. Inactivate other nutrients that the rice plant may naturally make
d. Engineer vitamin A gene so the plant becomes color-coded to tell it apart from natural rice plants
6. The “ES” of ES cells stands for:
a. Extra special
b. Embryonic skin
c. Embryonic stem
d. Extra skin
7. To obtain cells for patient that would not be rejected by the body, the technique of ___ would be used:
a. Organ transplantation
c. Genetic engineering
b. Therapeutic cloning
d. Reproductive cloning.
8. Which of the following statements is true?
a. All of your cells have the same DNA, but use genes differently
b. All people have exactly the same sequence of DNA, it’s what makes them human
c. DNA genes in the liver are different than the genes in the heart. The genes in the skin are
different than the genes in the brain
d. DNA travels through the body and its used wherever it is needed
9. People who take insulin injections today obtain it from:
a. human blood
c. human cadaver pancreas
b. cow and pig pancreas
d. genetically engineered, transgenic bacteria
10. The people who advocate (support) clone humans, would like to:
a. Have a baby that is a genetic copy of a person
b. Raise donor humans for organ transplantation
c. Create a group of super humans
d. Merge human traits with certain animal traits to create humans that are more resistant to disease
BIO113 Ex 3 sample Q
11. Which is not consistent with mitosis?
a. Replacement of stomach lining
b. Growth of a child
c. Production of sperm in testes
d. Worm or lizard tail regeneration
12. Match
a. ___ Angiogenesis
b. ___ Benign tumor
c. ___ Metastasis
d. ___ Apoptosis
e. ___ Immortal cancer cell
f. ___ Chemotherapy
g. ___ Excision therapy
h. ___ Mitosis
i. ___ Brain cell
j. ___ Skin cell
k. ___ Tumor suppressor
l. ___ Growth factor
m. ___ DNA repair
n. ___ Mutation
o. ___ Contact inhibition
p. ___ Identical twin
q. ___ Protooncogene
r. ___ Oncogene
s. ___ Pre-disposition cancer gene
t. ___ Fraternal twin
A. Harmless
B. Has a long cell cycle
C. Cells stop growing when they touch each other
D. A normal cell cycle gene
E. A mutated cell cycle gene may cause cancer
F. An embryo divides into 2
G. 2 separate fertilization events at same time
H. Systemic drug treatment
I. Blood vessels grow to tumor
J. Stopped when killed or patient dies
K. Rapid cell cycle
L. Programmed cell death
M. Checkpoint that regulates cell cycle
N. A permanent change in DNA
O. Cancer cell moves through bloodstream
P. Fixes mutations in DNA before cell divides
Q. Normal cell division process
R. Stimulates a cell to grow
L. Remove tumor from the body
M. Inherited trait increases susceptibility to cancer
13. DNA
a. How many chromosomes in a human skin cell?
b. How many nucleotides in human genome?
c. How many chromosomes in a human fertilized egg?
d. How many chromosomes in a human sperm?
e. What are the building blocks of DNA? Of protein?
14. Arrange in correct order for somatic cell nuclear transfer
a.Donor egg
b. enucleated egg
c. cloned animal
d. nuclear transfer
e. embryo
f. uterus implantation
15. Which of the following does NOT affect gene expression
a. Type of tissue
b. Type of cell
c. Age of organisms
d. DNA in cell
e. Disease
f. Eating, sleeping, or running
g. Environment
h. Cancer
Answers: 1b, 2b, 3b, 4d, 5a, 6c, 7b, 8a, 9d, 10a, 11c, 12: 1I , 2A, 3O, 4L, 5J, 6H, 7L, 8Q, 9B, 10K, 11M, 12R, 13P, 14N,
15C, 16F, 17D, 18E, 19M, 20G. 13: a.46, b.3 billion, c.46, d.23, e. nucleotides, amino acids. 14. a. b. d. e. f. c. 15. d only