Transcript Sem2 Final Practice Test

Semester 2 Final Practice Test
1. Variations can result in ___. Choose
all that apply.
a.
b.
c.
d.
e.
Mutations
Speciation
Extinction
Geographic isolation
Competition
2. A requirement for evolution to
happen is to have
a.
b.
c.
d.
variation
variation
variation
variation
between
between
between
between
individuals.
populations.
species.
kingdoms.
3. The mRNA nucleotide sequence is
determined by the ___ nucleotide
sequence.
a.
b.
c.
d.
e.
tRNA
rRNA
amino acid
DNA
nucleic acid
4. Which of the following BEST
describes tRNA charging?
a.
b.
c.
d.
e.
tRNA
tRNA
tRNA
tRNA
tRNA
carries amino acid to ribosome
moves out of the nucleus
attaches to its anticodon
attaches to its amino acid
attaches to its codon
5. The nucleus is made during ___.
a.
b.
c.
d.
e.
f.
Anaphase
Cytokinesis
Interphase
Metaphase
Prophase
telophase
6. To remove DNA from an organism’s
genome, which process is used?
a. Gene therapy
b. Restriction digest
c. Ligation
d. DNA fingerprinting
e. Transformation
7. The cell is considered diploid when
a.
b.
c.
d.
e.
the chromatids are doubled.
meiosis is completed.
it has homologous chromosomes.
it has daughter chromosomes.
it can divide four times.
8. A recessive allele is found on the X
chromosome. Fathers will pass the
condition to which of his children
(assume his wife is not a carrier)?
a.
b.
c.
d.
all his daughters
half his daughters
all his sons
none of his children
9. All of these describe the phenotype
EXCEPT for ___.
a.
b.
c.
d.
e.
alleles
height
adaptations
traits
variations
10. Which of these does NOT describe
a diploid cell? Choose all that apply.
a.
b.
c.
d.
e.
f.
Gametes
Somatic cells
Results from mitosis
Found at the start of meiosis
1n
2n
11. Which hormones stimulate the
release of estrogen & progesterone?
Choose all that apply.
a.
b.
c.
d.
e.
FSH
GnRH
HCG
LH
oxytocin
12. Which of these is LEAST likely
to lead to speciation?
a.
b.
c.
d.
Adaptation
Evolution
Gene flow
Reproductive isolation
13. Protein is found in all of the
following EXCEPT for ___.
a.
b.
c.
d.
Cholesterol
Enzymes
Keratin
myosin
14. Each strand of a double-stranded
chromosome is known as ___.
a.
b.
c.
d.
A centromere
A daughter
Homologous
A chromatid
15. Chromosomes that code for the same
genes but are not identical are called
___.
a.
b.
c.
d.
e.
Chromatids
Chromatin
Daughters
Homologous
Sisters
16. Which of the following is NOT a
product of meiosis?
a.
b.
c.
d.
1n cells
Gametes
Haploid cells
Somatic cells
17. Which of the following will
result in sticky ends?
a.
b.
c.
d.
e.
Cloning
Restriction digest
Gel electrophoresis
Transformation
Ligation
18. Which chromosomes are NOT
considered homologous?
a.
b.
c.
d.
Autosomal
X chromosomes
X & Y chromosomes
None of these
19. Both the ovaries & testes are
types of ___.
a.
b.
c.
d.
Gonads
Gametes
Travel tubes
Glands
20. If you don’t notice your skin stretch,
which sensory receptors aren’t
working?
a.
b.
c.
d.
e.
Pain receptors
Chemoreceptors
Thermoreceptors
Photoreceptors
Mechanoreceptors