Cp Bio 2 Warm-up Quiz #5 (Fall 2014)

15 Questions | By MrMackRH | Updated: Mar 21, 2022 | Attempts: 176

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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.
11.

The part of cellular respiration in which glucose is broken down is called___.
- A.
  
  Electron transport
- B.
  
  Glycolysis
- C.
  
  Photosynthesis
- D.
  
  Aerobic respiration
12.

The major source of the oxygen that is released into the atmosphere is
- A.
  
  Cellular respiration
- B.
  
  Photosynthesis
- C.
  
  Automobile exhaust
- D.
  
  Thee weathering of rocks
13.

Which statement best describes the primary function of DNA replication?
- A.
  
  To ensure daughter cells have a complete copy of the DNA
- B.
  
  To prevent mutations from occurring in cells
- C.
  
  To provide genetic variation within specific organisms
- D.
  
  To allow prokaryotic cells to undergo meiosis
14.

Which cellular process converts solar energy into chemical energy?
- A.
  
  Respiration
- B.
  
  Transpiration
- C.
  
  Chemosynthesis
- D.
  
  Photosynthesis
15.

An ion must cross the cell membrane through active transport instead of passive transport when the ion is ___.
- A.
  
  Negatively charged
- B.
  
  Carried across by a protein
- C.
  
  Going against the concentration gradient
- D.
  
  Too small to move independently