Nucleotides have a phosphate group attached at the ________ carbon atom of the sugar.
A. 3'
B. 2'
C. 5'
D. 1'
Answer: C
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Which of the following explains why the human population has so many phenotypic differences?
A. The majority of our genome consists of noncoding DNA. B. The majority of our genome consists of DNA that codes for proteins. C. Recombination allows for new genetic combinations. D. The genes that code for what we look like are more susceptible to mutation than other genes. E. None of the answer options is correct.
The genome of most prokaryotes consists of ____
a. a single linear DNA molecule b. a single circular DNA molecule c. many linear DNA molecules d. many circular DNA molecules e. a single DNA molecule that may be circular or linear, depending on the species
Younger honeybees have higher levels of juvenile hormone
Indicate whether the statement is true or false.
Which receptor below induces cell invasion?
a. AGFR b. HGF c. Src d. beta-catenin