When a gene transcription occurs, which of the following is produced?
a. more DNA
b. protein or polypeptide sequences
c. messenger RNA
d. enzymes
e. genetic defects
C
Biology & Microbiology
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In pea plants, the allele for tall (T) is dominant to the allele for short (t). The genotype for a short pea plant is ________.
A) Tt B) tt C) Tt or tt D) TT or tt
Biology & Microbiology
In a flowering plant life cycle, which of the
following structures are diploid?
a. megaspores b. male gametophytes c. eggs d. sporophytes e. none of these structures are diploid
Biology & Microbiology
Which hormone increases HCl secretion?
a. gastrin b. somatostatin c. leptin d. ghrelin e. secretin
Biology & Microbiology
Describe the structure of representative vertebrate hearts from fish through mammals. Briefly explain the circulation
pattern supported by one type of non-mammalian vertebrate heart. What will be an ideal response?
Biology & Microbiology