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DNA, RNA, and Genetics Questions - All Grades

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Grade 9 DNA, RNA, and Genetics
What describes the synthesis of RNA with a template that has DNA?
  1. transcription
  2. translation
  3. photosynthesis
  4. respiration
Grade 9 DNA, RNA, and Genetics
Which four nitrogenous bases are typically found in DNA?
  1. guanine, cytosine, adenine, thymine
  2. guanine, uracil, adenine, cytosine
  3. none of the above
  4. both a and b
Grade 9 DNA, RNA, and Genetics
All of the following are considered to be characteristics of DNA EXCEPT
  1. deoxyribose sugar
  2. Being single-stranded
  3. Being double-stranded
  4. four nitrogenous bases
Grade 9 DNA, RNA, and Genetics
Which kind of sugar is encountered in the nucleotides of DNA?
  1. deoxyribose
  2. ribose
  3. glucose
  4. none of the above
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
Which nitrogenous base is only found in RNA?
  1. uracil
  2. thymine
  3. guanine
  4. cytosine
Grade 9 DNA, RNA, and Genetics
Grade 8 DNA, RNA, and Genetics
The science of heredity is called                  .
  1. genetics
  2. extinction
  3. evolution
  4. natural selection
Grade 9 DNA, RNA, and Genetics
Which of the following are primary sources of genetic variation?
  1. immigration and allele frequencies
  2. genetic shuffling and immigration
  3. mutations and immigration
  4. mutations and genetic shuffling
Grade 8 DNA, RNA, and Genetics
Which of the following statements of homologous chromosomes is considered to be false?
  1. They are exactly identical.
  2. They can be found in pairs.
  3. They can have genes coding for the same traits.
  4. They can have genes that are encountered in the same order.
Grade 9 DNA, RNA, and Genetics
Grade 8 DNA, RNA, and Genetics
Passing traits from parents to offspring is called
  1. genetics
  2. heredity
  3. evolution
  4. gene
Grade 9 DNA, RNA, and Genetics
In eukaryotic cells, which of the following is true about DNA?
  1. It is located in the nucleus
  2. It floats freely in the cytoplasm
  3. It is located in the ribosomes
  4. It is circular
Grade 9 DNA, RNA, and Genetics
When did Mendel conduct his investigations in genetics?
  1. After scientists had complete knowledge of DNA and chromosomes
  2. Before DNA was discovered
  3. At the same time that Watson and Crick were working on their model
Grade 9 DNA, RNA, and Genetics
Grade 9 DNA, RNA, and Genetics
Mutations can be
  1. Neutral
  2. Beneficial
  3. Harmful
  4. All of the above
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