The stage of development after the morula stage is
A. implantation.
B. blastula.
C. fertilization.
D. gastrula.
B. blastula.
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In terms of sex chromosomes, females have:
a. one X chromosome and one Barr body b. one X chromosome c. one X chromosome and one Y chromosome d. two active X chromosomes e. two Barr bodies
Evidence suggests that the ________ evolved from an ancient prokaryote whose plasma membrane was infolded
a. endoplasmic reticulum and nuclear envelope b. mitochondrion c. ribosome d. chloroplast
How does bipedalism relate to sweat glands, skin color and hair density? What will be an ideal response?
Forbidden clones, sequestered antigens, molecular mimicry, viral infections, and immune deficiency are all potential explanations for the causes of ________ diseases.
A) Autoimmune B) Immunodeficiency C) Immune complex D) Cytotoxic