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