Which of the following statements about enzymes is false?
A) They increase the rate of chemical reactions.
B) They function as chemical catalysts.
C) They regulate virtually all chemical reactions in a cell.
D) They are monomers used to build proteins.
Answer: D
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Induced mutations are initiated by errors in DNA replication.
Answer the following statement true (T) or false (F)
The human-accelerated region 1 (HAR-1 ) gene
A) was identified by functional genomics. B) is identical to the chimpanzee HAR-1. C) encodes for the human accelerated region-1 protein. D) is a small, noncoding RNA expressed in the brain. E) is a small, regulatory RNA that regulates gene expression.
Identify the distinguishing characteristics of phylum Cnidaria. Also identify the classes within this
phylum and their identifying characteristics. Include at least one representative for each class that you identify. What will be an ideal response?
You are the scientific consultant for a television show about forensic analysis. In an upcoming episode, investigators will compare the DNA of a suspect and a DNA sample collected from the victim's fingernails. You are to write up a brief explanation of the technique required for comparing the DNA. Which technique should you explain?
A. DNA fingerprinting B. Fluorescent in situ hybridization C. RT-PCR D. RNAi