RNA differs from DNA in that RNA contains the sugar ________
Fill in the blank(s) with correct word
ribose
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You have chosen RNA as the most likely molecule to be first enclosed by a membrane. You understand that it has the ability to store information and can self-replicate, but what else is necessary for simple metabolic processes to occur in a timely manner?
A. A biological catalyst. B. Energy from ADP. C. A pump, to drive a concentration gradient. D. A mechanism to control self-replication. E. Both a mechanism to control self-replication and energy from ADP.
What Takes Place During Telophase I? - nuclear membrane - pole of the cell
What will be an ideal response?
In an analysis of the nucleotide composition of double-stranded DNA to see which bases are equivalent in concentration, which of the following would be true?
A) A = C B) A + C = G + T C) A + T = G + C D) A = G and C = T E) A = G and C = T and A + C = G + T are both true.
Which of the following organisms has a gastrovascular cavity?
A) hydra B) earthworm C) clam D) bird