Question 1
Fill in the blanks in the correct order.
a
duplication, translocation, inversion
b
inversion, duplication, translocation
c
duplication, inversion, translocation
d
translocation, duplication, inversion
Question 2
If a red blood cell is placed in a HYPOTONIC solution, what will most likely happen to the cell?
a
water moves into the cell causing it to burst.
b
salt moves into the cell causing it to burst.
c
salt moves out of the cell causing it to shrink
d
water moves out of the cell causing it to shrink.
Question 3
DNA stores
a
carbohydrates.
b
memories.
c
proteins.
d
heredity information.
Question 4
One side strand of a DNA molecule read 3' ATC GAC CAT 5'. What would the complementary strand read?
a
5' TAG CTG GTA 3'
b
5' ATC GAC CAT 3'
c
5' TAG CCG GTA 3'
d
5' ATC CCG GTA 3'
Question 5
After eating a salty snack like potato chips, the cells in your mouth become saturated with salt. What happens to the cells in your mouth as they react to the ELEVATED salt environment?
a
salt moves into the cell causing them to burst.
b
water moves into the cell causing them to burst.
c
water moves out of the cell causing them to shrink.
d
salt moves out of the cell causing them to shrink
Question 6
What type of chromosomal mutation has taken place?
a
duplication
b
deletion
c
translocation
d
inversion
Question 7
The table in Figure 12-2 shows the percentages of bases in a DNA sample. How much Thymine should you expect to find in the sample?
a
22%
b
24%
c
28%
d
44%
Question 8
Cells occasionally need to take in or drink large amounts of water, this process is called pinocytosis. How does this process differ from osmosis?
a
it is also called exocytosis
b
pinocytosis involves only bacteria, and is rarely observed
c
it is active transport, and moves against the concentration gradient.
d
it is passive transport, and moves against the concentration gradient.
Question 9
A DNA strand that has the bases CTAGGT has a complimentary strand with the bases
a
AGCTTG
b
TCGAAC
c
GATCCA
d
GAUCCA
Question 10
Match the key term to the correct definition.
Column A
1.
genetic material:
genetic material
2.
radioisotope:
radioisotope
3.
transformation:
transformation
Column B
a.substance containing the genetic information of a cell
b.process in which one strain of bacteria is changed by a gene or genes from another strain of bacteria
c.isotope of an element that has an unstable nucleus; used as a tracer in biological research
Question 11
Which of the following is a nucleotide found in DNA?
a
deoxyribose + phosphate group + uracil
b
ribose + phosphate group + thymine
c
deoxyribose + phosphate group + cytosine
d
ribose + phosphate group + uracil
Question 12
Which of the following is the primary FUNCTION of the cell membrane?
a
regulates which materials enter and leave the cell
b
keeps the cell wall in place
c
stores salt and electrolytes
d
breaks down lipids, carbohydrates, and proteins from foods
Question 14
Who is credited with discovering the double-helix structure of DNA?
a
James Watson and Francis Crick
b
Johann Gregor Mendel
c
Charles Darwin
d
Dr. Helix
e
Rachel Carson
Question 15
The circled portion of DNA in the following picture is
a
double
b
helix
c
sugar
d
nucleotide