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WorksheetsMcDowell Molecular Biology
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
What is DNA?
a)
Food
b)
Things that makes you grow
c)
a self-replicating material present that carries genetic information.
d)
Genes
2.
What does food do for organisms?
a)
it breaks down molecules
b)
digests it
c)
provides energy and molecules required for building materials
d)
it feeds them so they can grow
3.
What is the function of the poly A tail?
a)
Helps with recognition by ribosomes during translation
b)
Eases transportation from the cell nucleus to the cytoplasm
c)
Prevents mutations
d)
The function is unknown
4.
What Functions do cells carry out to sustain life?
a)
they release energy from food and get rid of waste,
b)
they take in nutrients, which they use to provide energy
c)
they grow and divide
d)
All of the above
5.
Complex molecules are made by joining smaller molecules together using dehydration synthesisA.
a)
True
b)
False
6.
Molecules of DNA are composed of long chains of
a)
Amino acids
b)
Fatty acids
c)
Monosaccharides.
d)
Nucleotides
7.
Cancer cells that spread are called
a)
Benign
b)
Malignant
c)
Somatic
d)
Gametic
8.
In humans, mature male or female germ cells contain
a)
22 autosomes and 1 sex chromosome.
b)
1 autosome and 22 sex chromosomes.
c)
45 autosome and 1 sex chromosome.
d)
1 autosome and 45 sex chromosomes.
9.
The X and Y chromosomes are called the
a)
Phenotypes
b)
Sex chromosomes
c)
None of the above
d)
All of the above
10.
Normal human males develop from fertilized eggs containing which of the following sex chromosome combinations?
a)
OO
b)
XO
c)
XY
d)
XX
11.
Normal human males develop from fertilized eggs containing which of the following sex chromosome combinations?
a)
OO
b)
XO
c)
XY
d)
XX
12.
What are Nucleotides?
a)
Molecules of DNA that are composed of long chains
b)
Prokaryotic nuclei
c)
seven
13.
What are chromatids?
a)
Dense patches within the nucleus
b)
Bacterial chromosomes
c)
Joined strands of duplicated genetic material
d)
Prokaryotic nuclei.
14.
What are chromatids?
a)
Dense patches within the nucleus
b)
Bacterial chromosomes
c)
Joined strands of duplicated genetic material
d)
Prokaryotic nuclei.
15.
Which of the following does not need a primer in order to function?
a)
DNA pol I
b)
DNA pol II
c)
DNA pol III
d)
RNA polymearse
16.
The melting temperature of DNA is where
a)
DNA anneals to RNA
b)
DNA denatures into single strands
c)
DNA is degraded
d)
RNA binds to the chromosones
17.
The point at which two chromatids are attached to each other in a chromosome is called a
a)
Chloroplast
b)
Centomere
c)
Gamete
d)
Centriole
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