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ATI TEAS 7 Science Practice Test

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ATI TEAS 7
Science
ATI TEAS 7 Science Practice Test

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Question 1 of 52

Based on the following evidence, what is the most likely reason that spoiled food left out in the open often contains fly larvae?

A. The spoiled food evolves into fly larvae.

B. Since the food is left out in the open, flies lay eggs in the food.

C. Fly larvae are spontaneously generated by the spoiled food.

D. People only imagine they see fly larvae in the spoiled food.

Correct Answer:

Rationale:

Question 2 of 52

How do DNA and RNA function together as part of the human genome?

A. DNA carries genetic information from RNA to the cell cytoplasm.

B. RNA carries genetic information from DNA to the cell cytoplasm.

C. DNA and RNA carry genetic information from the cell nucleus to the cytoplasm.

D. DNA and RNA do not interact within the cell.

Correct Answer:

Rationale:

Question 3 of 52

Which statement most accurately compares and contrasts the structures of DNA and RNA?

A. Both DNA and RNA have 4 nucleotide bases. Three of the bases are the same, but the fourth base is thymine in DNA and uracil in RNA.

B. Both DNA and RNA have the same 4 nucleotide bases. However, the nucleotides bond differently in DNA compared to RNA.

C. Both DNA and RNA have different numbers of nucleotide bases. DNA is a double helix while RNA is a single strand.

D. Both DNA and RNA have a double helix structure. However, DNA contains 6 nucleotide bases and RNA contains 4 nucleotide bases.

Correct Answer:

Rationale:

Question 4 of 52

Fill in the blanks in the following sentence: Enzymes are ________ molecules that serve as _______ for certain biological reactions.

A. complex; suppressors

B. acidic; triggers

C. small; targets

D. large; catalysts

Correct Answer:

Rationale:

Question 5 of 52

What type of molecules are enzymes?

A. Water molecules

B. Protein molecules

C. Tripolar molecules

D. Inorganic molecules

Correct Answer:

Rationale:

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