Kate Kerr
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Winter Biology

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Kate Kerr
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Winter Biology Midterm

Winter Biology Midterm

Question 1 of 23

1

A protein's function is determined by the protein's shape.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 23

1

What determine's a protein's shape?

Select one of the following:

  • the order of its amino acids

  • whether is has an amino group

  • the size of the protein

Explanation

Question 3 of 23

1

The order of mRNA nucleotides translated by the ribosomes determines ____________________.

Select one of the following:

  • the order of amino acids

  • the protein's function

  • the protein's shape

Explanation

Question 4 of 23

1

The order of DNA nucleotides in the gene determines __________________

Select one of the following:

  • the order of mRNA nucleotides

  • the shape of the protein

  • the function of the protein

Explanation

Question 5 of 23

1

Genetic mutations are "misspellings"

Select one of the following:

  • True
  • False

Explanation

Question 6 of 23

1

An antibody protein is shaped so that it can "handcuff" a particular antigen

Select one of the following:

  • True
  • False

Explanation

Question 7 of 23

1

DNA is ____________________ (check all that apply)

Select one or more of the following:

  • the original code for printing proteins

  • the self-replicator

  • made from RNA

Explanation

Question 8 of 23

1

The first step in the replication of DNA is ____________________________

Select one of the following:

  • unzipping of the double helix

  • complementary base pairing

  • proofreading the new copies and replacing incorrect nucleotides

Explanation

Question 9 of 23

1

When new complementary nucleotides are added to each side, what is created?

Select one of the following:

  • one double helix that is identical to the original

  • two double-helices, each identical to the original

  • two double-helices, each different from the original

Explanation

Question 10 of 23

1

Opening every chromosome down the middle of the DNA molecule describes the unzipping of the DNA double-helix

Select one of the following:

  • True
  • False

Explanation

Question 11 of 23

1

What is the complementary nucleotide that matches with Adenine?

Select one of the following:

  • Thymine

  • Cytosine

  • Guanine

  • Adenine

Explanation

Question 12 of 23

1

What is the complementary nucleotide that matches with Guanine?

Select one of the following:

  • Adenine

  • Thymine

  • Cytosine

  • Guanine

Explanation

Question 13 of 23

1

Molecular symbols of the genetic code are _________________________

Select one of the following:

  • nucleotides

  • genes

  • nucleus

  • amino acids

Explanation

Question 14 of 23

1

All cells have a nucleus.

Select one of the following:

  • True
  • False

Explanation

Question 15 of 23

1

The nucleus is the eukaryotic cell's hard-drive.

Select one of the following:

  • True
  • False

Explanation

Question 16 of 23

1

The small molecular parts that make up proteins are ____________________.

Select one or more of the following:

  • genes

  • amino acids

  • nucleotides

Explanation

Question 17 of 23

1

The mRNA transcribed from DNA is like a flash-drive.

Select one of the following:

  • True
  • False

Explanation

Question 18 of 23

1

Ribosomes translate mRNA code and synthesize (make) protein.

Select one of the following:

  • True
  • False

Explanation

Question 19 of 23

1

A codon is made up of three nucleotide bases.

Select one of the following:

  • True
  • False

Explanation

Question 20 of 23

1

RNA is __________ (check all that are true)

Select one or more of the following:

  • A copy of DNA

  • Double-stranded

  • Single-stranded

  • Made of the nucleotides A, C, G, U

Explanation

Question 21 of 23

1

Nucleotides are: (select one or more answers)

Select one or more of the following:

  • ACGT

  • ACGU

  • Used to figure out what the “recipe” says

  • Come in 3 letter segments called codons

Explanation

Question 22 of 23

1

Ribosomes are where:

Select one or more of the following:

  • DNA lives

  • RNA is decoded

  • Amino Acid chains start forming

  • DNA unzips

Explanation

Question 23 of 23

1

Amino Acid chains come together to form:

Select one or more of the following:

  • DNA

  • RNA

  • Proteins

Explanation

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