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Objective 2 Test
Test Description: Obj 2
Instructions: Answer all questions to get your test result.
1) The cell membrane allows certain particles to enter and leave the cell. What cell process is the membrane performing?
A
energy production
B
photosynthesis
C
selective permeability
D
cell respiration
2) What organelle produces proteins?
A
nucleus
B
ribosome
C
golgi apparatus
D
ER
3) The thermostat maintians a balanced temperature in any condition. What cell process is this similar to?
A
homeostasis
B
food storage
C
protein production
D
energy production
4) Which of the following does NOT have a cell wall?
A
plant
B
bacteria
C
fungi
5) A prokaryotic cell....
A
is found in animals.
B
contains chloroplasts
C
lacks a nucleus
D
has a nucleus
6) Which of the following best describes the role of RNA molecules that form in the nucleus when DNA is copied?
A
RNA molecules determine how an organism looks and acts.
B
RNA molecules are messengers that carry the code from the DNA to the ribosomes.
C
RNA molecules are responsible for the genetic code.
D
RNA molecules attach to the ER.
7) What are the building blocks of proteins?
A
peptide bonds
B
amino acids
C
glucose
D
hydrogen, oxygen
8) If a strand of DNA has the following code, ATTCGG, what code does the corresponding RNA have?
A
TAAGCC
B
TATGCG
C
TUUGCC
D
UAAGCC
9) Which of the following make up a DNA nucleotide?
A
phosphate, sugar, nitrogen base
B
nitrogen, hydrogen, phosphate
C
oxygen and hydrogen
D
glucose and phosphate
10) Which of the following best describes the shape of a DNA molecule?
A
looped and twisted
B
single stranded
C
double helix
D
long
*select an answer for all questions
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