Question 10
Match the DNA key terms to their correct definition.
Column A
1.
genetic material:
genetic material
2.
adenine:
adenine
3.
base pairing:
base pairing
4.
cytosine:
cytosine
5.
guanine:
guanine
6.
thymine:
thymine
7.
frameshift mutation:
frameshift mutation
8.
mutagen:
mutagen
9.
mutation:
mutation
10.
point mutation:
point mutation
11.
polyploidy:
polyploidy
Column B
a.change in the genetic material of a cell
b.one of four nitrogenous bases found in DNA and RNA; pairs with thymine or uracil
c.one of four nitrogenous bases found in DNA and RNA; pairs with guanine
d.chemical or physical agents in the environment that interact with DNA and may cause a mutation
e.mutation that shifts the “reading frame” of the genetic message by inserting or deleting a nucleotide
f.principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
g.condition in which an organism has extra sets of chromosomes
h.substance containing the genetic information of a cell
i.one of four nitrogenous bases found in DNA and RNA; pairs with cytosine
j.gene mutation in which a single base pair in DNA has been changed
k.nitrogenous base found in DNA but not in RNA
Question 11
One side strand of a DNA molecule read 3' ATC GAC CAT 5'. What would the complementary strand read?
a
5' ATC CCG GTA 3'
b
5' TAG CCG GTA 3'
c
5' ATC GAC CAT 3'
d
5' TAG CTG GTA 3'
Question 12
Assume that two strands of DNA have been separated and that the base sequence on one strand is TTGC. What is the sequence of bases on the complimentary strand?
Pin on Animations
a
AACG
b
CGTT
c
GTAC
d
GCTA
Question 13
Why is tRNA called "transfer" RNA?
Making Sense of Truck Classification
a
It carries/transfers a specific amino acid to the ribosome during protein synthesis.
b
They look like a little truck under the microscope.
c
It carries/transfers codes for proteins from the cytoplasm to the DNA.
d
It carries/transfers the code for one gene from the DNA to the ribosome.
Question 14
Which of the following is a nucleotide found in DNA?
a
deoxyribose + phosphate group + uracil
b
deoxyribose + phosphate group + cytosine
c
ribose + phosphate group + thymine
d
ribose + phosphate group + uracil
10.
1. genetic material: h. substance containing the genetic information of a cell
2. adenine: b. one of four nitrogenous bases found in DNA and RNA; pairs with thymine or uracil
3. base pairing: f. principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
4. cytosine: i. one of four nitrogenous bases found in DNA and RNA; pairs with guanine
5. guanine: c. one of four nitrogenous bases found in DNA and RNA; pairs with cytosine
6. thymine: a. one of four nitrogenous bases found in DNA and RNA; pairs with adenine
7. frameshift mutation: e. mutation that shifts the “reading frame” of the genetic message by inserting or deleting a nucleotide
8. mutagen: d. chemical or physical agents in the environment that interact with DNA and may cause a mutation
9. mutation: a. change in the genetic material of a cell
10. point mutation: j. gene mutation in which a single base pair in DNA has been changed
11. polyploidy: g. condition in which an organism has extra sets of chromosomes
11. c. 5' ATC GAC CAT 3'
12. b. CGTT
13. a. It carries/transfers a specific amino acid to the ribosome during protein synthesis.
14. b. deoxyribose + phosphate group + cytosine