The pre-natal period begins with the ____

a. zygote
b. blastocyst
c. embryo
d. fetus
e. infant


ANSWER: a

Biology & Microbiology

You might also like to view...

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

Biology & Microbiology

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