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Practice Questions Section 8.2: DNA Structure. The four types of nucleotides that make up DNA are named for their A hydrogen bonds. B nitrogen-containing bases. C phosphate groups. D ring-shaped sugars.
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The four types of nucleotides that make up DNA are named for their A hydrogen bonds. B nitrogen-containing bases. C phosphate groups. D ring-shaped sugars.
After examining the DNA of different organisms, which of the following did Erwin Chargaff conclude about the four bases? AA = T and C = G B A = C = G = T C A = C and G = T D A + T = C + G
Which of the following DNA sequences is complementary to the base sequence ACCGTAT? A TGGCATA B UCCGTAT CGTTACGC D CAATGCG
Combining the work of other scientists with their own research, Watson and Crick discovered that two strands of DNA join together to form a(n) A nucleotide. B X in a circle. C double helix. D covalent bond.
What are the three parts of a nucleotide? ASugar, carbohydrate, and nitrogen. BAtoms, molecules, and cells. CSugar, nitrogen, and phosphorous. DSugar, phosphate, and nitrogen base.
Below is a single strand of DNA. Choose the first three nucleotides of the other DNA strand. A GGT B CCT C GGC D TTA C C G T A C T
The main difference between the four nucleotides that make up DNA is that they have different A5-carbon sugars. Buracil. Cbonds. Dnitrogen bases.
In humans, where does DNA replication take place? A nucleus B ribosome C cytoplasm D vacuole
The image below shows a segment of a DNA molecule. Variations in which part of the molecule cause variations among different organisms? A the sugars B the hydrogen bonds C the nitrogen bases D the phosphate groups