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Biology Unit 5 - Prok 2
Test Description: Biology Unit 5 - Prok 2
Instructions: Answer all questions to get your test result.
1) In the ladder analogy of the DNA molecule, the rungs of the ladder are:
A
phosphates
B
joined sugar and phosphate
C
sugars
D
paired nitrogenous bases
2) If a DNA molecule is found to be composed of 40% thymine, what percentage of guanine would be expected.
A
60%
B
30%
C
10%
D
40%
3) A nucleotide consists of:
A
a phosphate and a base
B
a phosphate, a sugar, and a base
C
a phosphate, and a sugar
D
a base and an amino acid
4) A DNA strand has the following bases: A A G C C A. What are the bases on its complimentary strand?
A
T T C G G T
B
A C C G A A
C
A A G C C A
D
C C A T T C
5) The process by which DNA makes a copy of itself is called
A
translation
B
transcription
C
replication
D
synthesis
6) Binary fission is ___________.
A
division of one cell into two
B
the most complex form of cell division
C
a process by which amoebae reproduce sexually
D
meiotic division of a cell
7) Binary fission, or prokaryotic fission, is the form of ________ and cell division used by all prokaryotes, some protozoa, and some organelles within eukaryotic organisms.
A
Fungus
B
Plant
C
Microorganism
D
Asexual
8) What best describes the offspring after asexual reproduction?
A
The offspring will not be able to reproduce asexually
B
The offspring is genetically mutated and dividing uncontrollably
C
The offspring has half of the chromosomes from both parents
D
The offspring is genetically identical to its parent
9) Many offspring can be produced very quickly
A
When two parent cells produce one offspring
B
During a single cell cycle
C
Through asexual reproduction
D
Through the formation of chromosomes
10) The DNA molecule is held together by:
A
glucose
B
hydrogen bonds
C
glue
D
magnesium
*select an answer for all questions
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