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Q:1-What is the name for an organism's genetic code?
Mark one answer:
Phenotype
Species
Phylum
Genotype

Q:2-During DNA replication, the 3' strand and the 5' strand are simultaneously replicated. Which enzyme is responsible for replicating the 3' strand?
Mark one answer:
DNA polymerase III
DNA ligase
DNA polymerase I
DNA helicase

Q:3-What phase of cellular respiration takes place in the cytoplasm of eukaryotic cells?
Mark one answer:
Glycolysis
Krebs cycle
Electron transport chain
Lactic acid fermentation

Q:4-Ascientist is proposing an experiment to study the effect of a certain chemical on rat brain development. The scientist believes that this chemical will enhance the rats' brain development. Which of the following terms describes this step of the scientific process?
Mark one answer:
hypothesis
experiment
analysis
conclusion

Q:5-Which is not a mechanism by which trees move water from the roots to the leaves?
Mark one answer:
Transpiration
Osmotic pressure
Capillary action
Sublimation
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Q:6-What is one way in which viruses are different from prokaryotes?
Mark one answer:
Viruses contain RNA, and prokaryotes do not.
Prokaryotes have ribosomes, and viruses do not.
Prokaryotes can form a protein shell, and viruses cannot.
Viruses are harmful to humans, and prokaryotes are not.

Q:7-What is necessary for active transport through a membrane?
Mark one answer:
Glucose
Sodium
ATP
Oxygen

Q:8-Which of the following is not true for mitochondria?
Mark one answer:
They are responsible for making ATP within the cell.
They have several layers of membranes.
They exist in both plant and animal cells.
They are responsible for translation of RNA into proteins.

Q:9-What is a byproduct of fermentation in muscle cells?
Mark one answer:
oxygen
lactic acid
pyruvic acid
ethanol

Q:10-In a strand of RNA, you would expect to see adenine paired with:
Mark one answer:
thymine
cytosine
guanine
uracil

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