8.MS-LS3-1 Question Preview (ID: 59631)
8.MS-LS3-1.
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Which of the following is the best example of a beneficial mutation?
a) A person is born with attached earlobes
b) An organism is born more likely to develop a genetic disorder
c) A cat is born with two different colored eyes
d) A group of bacteria are genetically resistant to an antibiotic
What is the main purpose of the DNA molecule?
a) It relays information about the environment to the rest of the cell
b) It produces energy through cellular respiration
c) It contains the instructions for building proteins for the organism
d) It produces glucose for producers
Which statement is correct?
a) Mutations can lead to the production of incorrect proteins by ribosomes
b) Mutations can lead to the production of incorrect proteins by the nucleus
c) Mutations can result in codons being read in groups of five.
d) Mutations can lead to an incorrect matching of codon to amino acid
Which of the following is NOT a type of mutation?
a) insertion
b) deletion
c) creation
d) substitution
How many nucleotides are in one codon?
a) four
b) two different complementary pairs
c) six
d) three
Why is albinism considered to be a harmful mutation (in the wild)?
a) It positively impacts an organism's ability to survive
b) It negatively impacts an organism's ability to survive
c) It does not impact an organism's ability to survive
d) It does not impact an organism's agility to survive in captivity
What most likely happens when we expose insects to the same poison over and over again?
a) We end up with a population of insects which are resistant to that poison
b) We will eventually kill all the insects
c) We end up with insects that have the ability to choose which poisons kill them and which don't
d) We end up with insects who learn to hide from the poison
Which of the following is an example of a mutagen?
a) clean air
b) radiation
c) a harmful mutation
d) a deletion
Why do some mutations not cause changes to protein production?
a) Some amino acids are coded for by multiple codons
b) Some mutations do not change the order of nucleotides
c) Some mutations are neutral
d) Some amino acids are coded for more than three nucleotides
Where does protein production happen in a cell?
a) in the nucleus
b) in the mitochondria
c) in the ribosomes
d) in the chloroplasts
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