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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?

Aphotosynthesis Bcell respiration Cselective permeability Denergy production

2) What organelle produces proteins?

Agolgi apparatus Bribosome Cnucleus DER

3) The thermostat maintians a balanced temperature in any condition. What cell process is this similar to?

Aprotein production Bfood storage Chomeostasis Denergy production

4) Which of the following does NOT have a cell wall?

Abacteria Bfungi Cplant

5) A prokaryotic cell....

Ahas a nucleus Blacks a nucleus Ccontains chloroplasts Dis found in animals.

6) Which of the following best describes the role of RNA molecules that form in the nucleus when DNA is copied?

ARNA molecules attach to the ER. BRNA molecules are messengers that carry the code from the DNA to the ribosomes. CRNA molecules are responsible for the genetic code. DRNA molecules determine how an organism looks and acts.

7) What are the building blocks of proteins?

Apeptide bonds Bhydrogen, oxygen Cglucose Damino acids

8) If a strand of DNA has the following code, ATTCGG, what code does the corresponding RNA have?

ATATGCG BTUUGCC CUAAGCC DTAAGCC

9) Which of the following make up a DNA nucleotide?

Anitrogen, hydrogen, phosphate Bphosphate, sugar, nitrogen base Coxygen and hydrogen Dglucose and phosphate

10) Which of the following best describes the shape of a DNA molecule?

Adouble helix Bsingle stranded Clong Dlooped and twisted

*select an answer for all questions

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