The first cell that leads to development of a new individual forms when
A) mitosis occurs.
B) meosis occurs.
C) a sperm and an ovum join.
D) a haploid cell and a diploid cell join.
C) a sperm and an ovum join.
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The female homolog of the glans penis is the:
A. clitoris B. labia minora C. labia majora D. vulva E. vagina
The different proteins characteristic of breast cancer subtypes can be used as _____ for proper diagnosis and treatment
a. prebiotics b. biomarkers c. DNA clones d. bioinformatic data e. physical maps
Which of the following features of a membrane protein is (are) never used as a membrane anchor?
a. C-terminal glycosylphosphatidyl inositol (GPI) b. An N-terminal myristoyl group c. Prenyl and palymitoyl group additions d. Oligosaccharide side chains
The endosperm of a plant ____.
A. is the food supply for the new sporophyte plant B. is composed of haploid tissue C. protects the young embryo within a seed D. provides a connection between the ovary of a flower and a developing seed E. produces sperm cells