Bio 2 Warm-up #10
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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 need to obtain energy.
- B.
Both need to produce glucose.
- C.
Both use the same method of absorbing water.
- D.
Both occupy the same position in a food chain.
- 3.Which must be true of any hypothesis?
- A.
Must be testable
- B.
Must undergo peer review
- C.
Must be approved by professionals
- D.
Must be proven correct by research
- 4.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.
- 5.What is the process that copies a gene’s DNA sequence into a sequence of RNA?
- A.
Initiation
- B.
Insertion
- C.
Transcription
- D.
Translation
- 6.Which statement best compares aerobic and anaerobic respiration?
- A.
Less ATP is generated during anaerobic respiration than during aerobic respiration.
- B.
More water is generated during anaerobic respiration than during aerobic respiration.
- C.
More oxygen is generated during anaerobic respiration than during aerobic respiration.
- D.
Less lactic acid is generated during anaerobic respiration than during aerobic respiration.
- 7.Which describes when two different species utilize the same resource?
- A.
Crowding
- B.
Predation
- C.
Parasitism
- D.
Competition
- 8.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
- 9.Which process produces the most variation within a species?
- A.
Asexual reproduction
- B.
Mitosis
- C.
Cloning
- D.
Sexual reproduction
- 10.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.
- 11.How would overexposure to X-rays affect most animal cells?
- A.
It would cause an increase in red blood cell production.
- B.
It would increase cell specialization in organs.
- C.
It would change the sequence of DNA nucleotides in affected cells.
- D.
It would produce new nucleotides for DNA molecules.
- 12.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
- 13.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.
- 14.The part of cellular respiration in which glucose is broken down is called___.
- A.
Electron transport
- B.
Glycolysis
- C.
Photosynthesis
- D.
Aerobic respiration
- 15.
![In the diagram, structure A is the ___ and structure B is the ___. - ProProfs]( "In the diagram, structure A is the ___ and structure B is the ___.")
In the diagram, structure A is the ___ and structure B is the ___.- A.
Thylakoid; stroma
- B.
Inner membrane; matrix
- C.
Stroma; matrix
- D.
Granum; thylakoid
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