The pre-natal period begins with the ____
a. zygote
b. blastocyst
c. embryo
d. fetus
e. infant
ANSWER: a
Biology & Microbiology
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A sporic life cycle is characteristic of which groups?
_____ streptophyte algae. _____ mosses. _____ ginkgos. _____ angiosperms. _____ conifers.
Biology & Microbiology
What can be removed from pre-mRNA during alternative splicing?
a. exons and ribosomal binding sites b. ribosomal binding sites c. exons only d. introns only e. exons and introns
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How many haploid sets of chromosomes are present in a diploid individual cell with a chromosome number of 32?
A) 16 B) 32 C) 2 D) 1 E) 8
Biology & Microbiology
The urethra is controlled by two sphincters, one composed of smooth muscle and one composed of skeletal muscle.
Answer the following statement true (T) or false (F)
Biology & Microbiology