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Biology 2nd Quarter 2012 11 - 20
Test Description: Biology, 2nd Quarter Review Questions 11 - 20
Instructions: Answer all questions to get your test result.
1) Water is able to transport freely across a cell because water is -
A
small enough to move without help across the cell
B
non polar and the cell membrane has a hydrophobic tail
C
essential to homeostasis
D
polar and the cell membrane has a hydrophilic head
2) When your hands are immersed in dishwater for long periods of time, your skin looks bloated. This is an example of what type of -
A
isotonic
B
pinotonic
C
hypotonic
D
hypertonic
3) What process produces two genetically identical cells?
A
meiosis
B
mutation
C
mitosis
D
homeostasis
4) Which of the following is/are passed on from parent to offspring?
A
zygotes
B
gametes
C
gene
D
fertilization
5) A phenotype is -
A
a genetic, but not always physical, trait
B
a visible trait
C
a new flavor of kool-aid
D
an english vocabulary word.
6) Which scientists discovered the structure of DNA?
A
Smith and Nathans
B
Schleiden, Schann and Virchow
C
Pasteur and Darwin
D
Watson and Crick
7) The value of genetic diversity is closely linked to -
A
habitat diversity
B
species diversity
C
ecosystem diversity
D
biodiversity
8) Watson and Crick are scientists credited with -
A
developing the model of DNA
B
reading the DNA sequence
C
discovering that genes are composed of DNA
9) Which of the following techniques makes good use of the human genome for the purpose of determining the gene code for a particular disease?
A
rapid sequencing
B
hybridization
C
DNA fingerprinting
D
karyotyping
10) Why is the study of stem cells important towards gaining an understaning of how to restore movement and feeling to paralyzed individuals?
A
stem cells undergo mitosis more often thereby making more cells quickly
B
stem cells can divide and renew longer than regular cells
C
stem cells are unspecialized cells that can turn into specialized cells
D
stem cells are the best cells within the body and can easily be transplanted
*select an answer for all questions
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