Compare and contrast DNA and RNA

What will be an ideal response?


DNA is double stranded; contains the sugar deoxyribose; possesses cytosine, guanine, adenine, and thymine; and is restricted to the nucleus. RNA is single stranded; contains a ribose sugar; possesses cytosine, guanine, adenine, and uracil (instead of thymine); and functions in protein synthesis in the cytoplasm. Both nucleic acids are composed of nucleotides and function in gene expression.

Biology & Microbiology

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The offspring of a parental cross (P1) are called the F1, or ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

Photosynthesis evolved first in which of the following lineages?

a. Prokaryotes b. Archaea c. Eukaryotes d. Photosynthesis evolved simultaneously in all lineages

Biology & Microbiology

Which of the following is a water mold that

was responsible for the Irish famine in the mid- 1800s?

a. Phytophthora b. Plasmodium c. E. coli d. Staphylococcus e. Trichomonas

Biology & Microbiology

Which is not correct about the way prokaryotes divide?

A. The chromosome is a single circular molecule of DNA. B. The replication of DNA occurs in one direction around the circle. C. When the cell reaches an appropriate size, the cell divides into two equal halves. D. They divide by binary fission. E. They use the same DNA bases as in eukaryotes.

Biology & Microbiology