The first stage in the development of the nervous system is

a. gastrulation.
b. blastulation.
c. neurulation.
d. morulation.
e. festination.


C

Biology & Microbiology

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Which one of the following types of proteins interacts directly with a stop codon?

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Ian and Bryony are both carriers for two autosomal recessive disorders, PKU (chromosome 12) and cystic fibrosis (chromosome 7). They are expecting a daughter. What is the probability that she will have PKU but not CF?

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Which DNA damaging agent can transfer methyl groups (—CH3) to the nucleotide bases in DNA?

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What will be an ideal response?

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