Cp Bio 2 Warm-up Quiz #5 (Fall 2014)
- 1.Which describes a difference between DNA and RNA?
- A.
DNA constructs proteins whereas RNA translates genetic information.
- B.
DNA makes up ribosomes whereas RNA transfers genetic information.
- C.
DNA translates genetic information whereas RNA maintains genetic information.
- D.
DNA maintains genetic information whereas RNA helps construct proteins based on genetic information.
- 2.Which is similar between autotrophs and heterotrophs?
- A.
Both use the same method of absorbing water.
- B.
Both need to obtain energy.
- C.
Both need to produce glucose.
- D.
Both occupy the same position in a food chain.
- 3.A human male gamete cell contains ___ chromosomes and is said to be ___ which is symbolized by ___.
- A.
46 … haploid … 1n
- B.
23 … haploid … 1n
- C.
23 … diploid … 2n
- D.
46 … diploid … 2n
- 4.What is the process that copies a gene’s DNA sequence into a sequence of RNA?
- A.
Transcription
- B.
Translation
- C.
Insertion
- D.
Initiation
- 5.What will most likely be the result if all of the mitochondria are removed from a plant cell?
- A.
It will be unable to carry out respiration.
- B.
It will lose water through osmosis.
- C.
It will break down the ribosomes in the cell.
- D.
It will be unable to photosynthesize.
- 6.Which process produces the most variation within a species?
- A.
Mitosis
- B.
Cloning
- C.
Asexual reproduction
- D.
Sexual reproduction
- 7.Why is meiosis important for sexual reproduction?
- A.
It allows the zygote formed from fertilization to have triple the chromosome number of the organism.
- B.
It allows gametes to have twice the original number of chromosomes of the organism.
- C.
It allows gametes to have half the original number of chromosomes of the organism.
- D.
It allows the zygote formed from fertilization to have half the original number of chromosomes of the organism.
- 8.How would overexposure to X-rays affect most animal cells?
- A.
It would increase cell specialization in organs.
- B.
It would change the sequence of DNA nucleotides in affected cells.
- C.
It would produce new nucleotides for DNA molecules.
- D.
It would cause an increase in red blood cell production.
- 9.Which is one reason scientists produce transgenic organisms?
- A.
to create new species of organisms
- B.
To control microorganisms in the soil
- C.
To prevent habitats from being destroyed
- D.
To treat certain types of diseases
- 10.What is the relationship between the photosystems and the Calvin cycle?
- A.
The photosystems produce ATP synthase for the Calvin cycle.
- B.
The photosystems build sugars with the carbon dioxide produced by the Calvin cycle.
- C.
The photosystems transfer energy to the Calvin cycle through ATP and NADPH.
- D.
The photosystems transfer hydrogen ions and carbon dioxide to the Calvin cycle.
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