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Eleventh Grade (Grade 11) DNA, RNA, and Genetics Questions

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Grade 11 DNA, RNA, and Genetics
What does RNA contain instead of thymine?
  1. guanine
  2. adenine
  3. cytosine
  4. uracil
Grade 11 DNA, RNA, and Genetics
Alleles are
  1. variants of genes.
  2. always found as sets of two.
  3. the study of proteins in a cell.
  4. only seen in animals.
Grade 11 DNA, RNA, and Genetics
Either of the two strands formed when a chromosome duplicates itself during cell division is the
  1. gene.
  2. DNA.
  3. chromosome.
  4. chromatid.
  5. chromatin.
Grade 11 DNA, RNA, and Genetics
Semi-conservative means that each daughter DNA consists
  1. of copying only one strand of the double-stranded DNA.
  2. of half of the parent DNA copied to create two daughter strands.
  3. half of parental DNA and half of new DNA.
Grade 11 DNA, RNA, and Genetics
What does a pedigree do?
  1. indicates which individuals in a family have particular inherited traits
  2. provides information about all alleles in a population
  3. requires gene sequencing of individuals to create
  4. does not show when an individual is a carrier
Grade 11 DNA, RNA, and Genetics
From which molecules are mRNA molecules transcribed?
  1. tRNA
  2. rRNA
  3. DNA
  4. proteins
Grade 11 DNA, RNA, and Genetics
The component of DNA replication that separates DNA strands is
  1. sliding clamp.
  2. polymerase.
  3. SSB.
  4. primase.
  5. RNase H.
  6. helicase.
  7. ligase.
Grade 11 DNA, RNA, and Genetics
The two scientists given credit for discovering the structure of DNA are
  1. Rutherford and Einstein.
  2. Bond and Bohr.
  3. Watson and Edison.
  4. Crick and Watson.
  5. Crick and Bohr.
Grade 11 DNA, RNA, and Genetics
How does DNA replicate?
  1. conservatively
  2. semi-conservatively
  3. dispersively
Grade 11 DNA, RNA, and Genetics
The "backbone" of the DNA molecule is made up of two components:
  1. sugars and phosphates.
  2. bases and sugars.
  3. nucleotides and phosphates.
  4. monomers and sugars.
Grade 11 DNA, RNA, and Genetics
The component of DNA replication that extends DNA chains is
  1. sliding clamp.
  2. ligase.
  3. helicase.
  4. RNase H.
  5. polymerase.
  6. SSB.
  7. primase.
Grade 11 DNA, RNA, and Genetics
Scientist use genetic markers to
  1. identify transformed cells.
  2. clone animals.
  3. synthesize antibiotics.
  4. separate strands of DNA.
Grade 11 DNA, RNA, and Genetics
Amino acids are linked during protein synthesis with                 bonds.
  1. carboxylic
  2. amide
  3. peptide
  4. protein
Grade 11 DNA, RNA, and Genetics
What description applies to RNA?
  1. rhinonucleic acid
  2. helps DNA to make proteins
  3. is made of adenine, thymine, guanine, and cytosine
  4. rhomboidal nucleic acid
Grade 11 DNA, RNA, and Genetics
Chromatin is tightly coiled around proteins called
  1. ribosomes.
  2. chloroplasts.
  3. histones.
  4. chromosomes.
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