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Bio B Review 3
Test Description: 3rd test
Instructions: Answer all questions to get your test result.
1) The Human Genome Project may make use of which of the following to diagnose genetic disorders before birth?
A
PCR
B
all of the above
C
cell cultures
D
gel electrophoresis
2) Individuals that have sickle-cell anemia ______.
A
will not exhibit any symptoms until around age 40
B
lack an enzyme that breaks down a lipid produced in the central nervous system
C
are two times more likely to be males than females
D
suffer tissue damage resulting from oxygen deprivation
3) Mosquitoes developed an immunity to DDT by ___________.
A
this never happened
B
dying as a result of being exposed to the insecticide
C
eating the insecticide and becoming immune to it
D
developing physiological adaptations to the insecticide
4) X-rays, ultraviolet light, and radioactive substances that can change the chemical nature of DNA are classified as _____.
A
mutagens
B
nucleic acids
C
enzymes
D
metamorphic molecules
5) Cellular respiration takes place in what kind of organisms?
A
animals
B
plants and animals
C
fungi
D
plants
6) A system for naming species in which two words are used to name an organism is ____.
A
binomial nomenclature
B
dichotomous keying
C
cladistics
D
wizardry
7) Organisms that closely resemble each other, even though they are separated by distance and genetics, can best be explained by _____.
A
convergent evolution
B
spontaneous generation
C
genetic mutations
D
zombie apocalypse
8) Which of the following would be least likely to happen as a result of a mutation in a person's skin cells?
A
any offspring will have mutated skin
B
skin cancer
C
no change in function of the cell
D
reduced function of the cell
9) Structures that have a similiar evolutionary origin and structure but serve different funtion are called_____.
A
heterozygous
B
homologous
C
vestigial
D
analogous
10) Watson and Crick were the first to suggest that DNA is _______.
A
a short molecule
B
genetic material
C
protein
D
a double helix
11) When classifying organisms, a group of related phyla is a _______.
A
kingdom
B
class
C
order
D
family
12) When classifying organisms, a group of related species is a ____.
A
kingdom
B
order
C
family
D
genus
13) The passing on of traits from parents to off spring is called _____.
A
genetics
B
inbreeding
C
heredity
D
gene splicing
14) Organisms need a way of storing energy because ____.
A
a cell can only release stored energy
B
an organisms has times that no energy is used
C
a cell can't always immediately use all the energy it gets
D
a cell cannot create energy and must get energy from another source
15) A DNA segment is changed from -AATTAG- to -AAATAG-. This is _______
A
mutagens
B
no problem for the cell
C
frameshift mutation
D
point mutation
16) Which of the following genetic disorders can be detected by karotyping?
A
Klinefelter syndrome and sickle-cell anemia
B
hemophilia and cystic fibrosis
C
Down's syndrome
D
Tay-Sachs disease and phenylketonuria (PKU)
17) The 23rd chromosomes that differ from males to females are called ______.
A
polygenes
B
autosomes
C
sex chromosomes
D
multiple alleles
*select an answer for all questions
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