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QMSA 3 Review part 2

Total questions: 55

Worksheet time: 58mins

Name
Class
Date
1.
What will be the resulting mRNA from this DNA sequence:
GAT-TAC-AGA-TTA-CAT?
a)
CTA-ATG-TCT-AAT-GTA
b)
GAU-UAG-UGA-UUA-GUT
c)
CUA-AUG-UCU-AAU-GUA
d)
CAT-ACA-TAC-ATA-TAG
2.
Every three letters (example: ATC) in DNA codes for what??
a)
Amino Acid
b)
Nucleotide
c)
Lipid
d)
Carbohydrate
3.

In replication, C pairs with

a)

U

b)

G

c)

A

d)

T

4.
The central dogma of biology states that information flows in one direction from 
a)
nuclei to RNA to cytoplasm
b)
ribosomes to proteins to DNA
c)
genes to nuclei to ribosomes
d)
DNA to RNA to proteins
5.
Which phrase best describes translation?
a)
converts mRNA into a polypeptide
b)
catalyzes bonds between amino acids
c)
produces RNA from DNA molecules
d)
recycles tRNA molecules for reuse
6.
Which of the following is the site of translation?
a)
vacuole
b)
lysosome
c)
nucleus
d)
ribosome
7.

A string of nucleotides that contain the information to make a specific protein

a)

Ribose

b)

Amino Acids

c)

tRNA

d)

Gene

8.

There are a total of ____ different amino acids

a)

20

b)

1

c)

4

d)

unlimited

9.
This is the triplet of bases on the end of a tRNA molecule
a)
Anticodon
b)
Codon
c)
Protein
10.
The function of ______ is to combine with proteins to form ribosomes.
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
11.
This molecule carries genetic information from the nucleus to the ribosomes in the cytoplasm.
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
12.
Who is credited for discovering the shape of DNA?
a)
James Lebron and Francis Oneill
b)
James Watson and Francis Crick
c)
Henry Ford
d)
Rosalind Franklin
13.
What 3 things make up a nucleotide?
a)
Sugar, Phosphate, Nitrogen Base
b)
Sugar, Hydrogen, Carbon
c)
Carbon, Phosphate, Nitrogen
d)
mRNA, tRNA and rRNA
14.
If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?
a)
Substitution
b)
Frameshift
c)
Duplication 
d)
Insertion
15.
A type of substitution in which no  amino acids change is called 
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
16.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
17.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
18.

How many chromosome pairs are there in a somatic cell?

a)

23

b)

26

c)

43

d)

46

19.

How many chromosomes are there in a somatic cell?

a)

23

b)

26

c)

43

d)

46

20.

How many cells are created at the end of mitosis?

a)

1

b)

2

c)

3

d)

4

21.

How many cells are created at the end of meiosis?

a)

1

b)

2

c)

3

d)

4

22.
A cell with 10 chromosomes go through meiosis. What is the end result of the process
a)
4 cells with 10 chromosomes each
b)
2 cells with 10 chromosomes each
c)
4 cells with 5 chromosomes each
d)
2 cells with 5 chromosomes each
23.
The visual representation of an individual's chromosomes is a 
a)
phenotype
b)
genotype
c)
karyotype
d)
stereotype
24.
Males are more likely to suffer from a sex-linked disease or disorder because
a)
males are the weaker sex
b)
males have less DNA
c)
males have 1 X chromosome, so the disorder is more likely to be expressed
25.
If a gene is found only on the X chromosome and not the Y chromosome, it is said to be 
a)
sex-linked trait
b)
polygenic trait
c)
codominant trait
d)
incomplete dominance trait
26.
Alternative forms of a gene are called
a)
Alleles
b)
Homozygous
c)
DNA
d)
Genetics
27.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
28.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
29.
Mutations can result from
a)
insertion of nitrogen bases
b)
substitution of nitrogen bases
c)
deletion of nitrogen bases
d)
all of these other answers
30.

A point mutation that does not change the amino acid sequence is known as a(n) ____________ mutation.

a)

Frameshift

b)

Nondisjunction

c)

Inversion

d)

Silent

31.

A parent that has a mutation to their skin cells can pass this mutation to their offspring

a)

True

b)

False

32.

What causes "sickle shaped" blood cells?

a)

Point Mutation

b)

Frameshift Mutation

c)

Trinucleotide Repeat Expansion

d)

Gene Translocation

33.

In which ways can genetic engineering can improve crops

a)

Make them pest or drought resistant

b)

Make them more nutritious

c)

Make them larger

d)

All answers are correct

34.
A clone is 
a)
recombinant DNA
b)
a transgenic organsim
c)
plasmid
d)
genetically identical 
35.
Making changes in the DNA of an organism is
a)
selective breeding
b)
artificial selection
c)
genetic engineering
d)
genetic transformation
36.
Rice modified to have more Vitamin A
a)
Genetic engineering
b)
Cloning
37.

Which of the following statements is true of embryonic stem cells?

a)

They normally differentiate into only eggs and sperm.

b)

They can give rise to all cell types in the organism.

c)

They can continue to reproduce for an indefinite period.

d)

They can provide enormous amounts of information about the process of gene regulation.

38.

In colorectal cancer, several genes must be mutated in order to contribute to a cell developing into a cancer cell. Which of the following kinds of genes would you expect to be mutated?

a)

genes coding for enzymes that act in the colon

b)

genes involved in control of the cell cycle

c)

genes that are especially susceptible to mutation

d)

the same genes that Knudsen identified as associated with retinoblastoma

39.

The three stages of the cell cycle are __________, mitosis, and

cytokinesis.

a)

interphase

b)

anaphase

c)

metaphase

d)

prophase

40.

A pair of similar chromosomes are called:

a)

homocycular

b)

homologous

c)

homocellular

d)

homonucleus

41.

The phase of mitosis when chromosomes align in the

middle is called ________

a)

anaphase

b)

prophase

c)

telophase

d)

metaphase

42.

The first phase of mitosis is called _______________ .

a)

telophase

b)

metaphase

c)

anaphase

d)

prophase

43.

The stage of mitosis where the sister chromatids separate:

a)

prophase

b)

anaphase

c)

telophase

d)

metaphase

44.
What phase is this cell in?
a)
Cytokinesis
b)
Mitosis
c)
Prophase
d)
Metaphase
45.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Anaphase
d)
Telophase
46.
What phase is this cell in?
a)
Mitosis
b)
Cytokinesis
c)
Prophase
d)
Telophase
47.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Prophase
d)
Telophase
48.

Which of the following does not occur during interphase?

a)

Replication

b)

Translation

c)

Cytokinesis

d)

An increase in the number of mitochondria

49.

What happens during the G2 stage of interphase?

a)

Homologous chromosomes pair

b)

Synthesis of proteins

c)

Homologous chromosomes separate

d)

Replication of DNA

50.

What is the sequence of stages during the cell cycle?

a)

G1 → S → G2 → mitosis → cytokinesis

b)

mitosis → G1 → G2 → cytokinesis → S

c)

G1 → G2 → S → mitosis → cytokinesis

d)

G1 → G2 → mitosis → cytokinesis → S

51.

What happens in crossing over?

a)

Exchange of genetic material between homologous chromosomes

b)

Exchange of genes during metaphase of mitosis

c)

Random distribution of chromosomes during meiosis

d)

Homologous chromosomes fail to separate during meiosis

52.
3.1- A human cell has between 20 000 and 25 000 genes whereas an E. coli cell has approximately 4000 genes. Which of the following statements is true?
a)
The human genome is larger than the E. coli genome
b)
There are more genes on each human chromosome than on the E. coli chromosome.
c)
The human cell and the E. coli cell produce approximately the same variety of proteins
d)
The DNA in both organisms is associated with histones (proteins).
53.
All Offspring of Asexual reproduction are identical
a)
True
b)
False
54.

The smallest biological unit of a living organism is a

a)

cell

b)

compound

c)

element

d)

molecule

55.

The joining of a sperm cell and an egg cell is called __________.

a)

fertilization

b)

labor

c)

asexual reproduction

d)

magic

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