The inability of sperm cells to move normally

could prevent the production of offspring by

interfering with

(1) meiosis (3) fertilization

(2) mitosis (4) differentiation

What are some questions that scientist have about Saturn that they have no answer to?

How are mitosis and meiosis similar? a. they both have prophase and metaphase. b. they both produce gametes. c. they both produce tetrads. d. they both reduce the chromosome number?

Which of the following is spliced together during mRNA processing? A. Exons B. Operons C. Introns D. Transcription factors

What do all cells in a multicellular organism have in common

Which statement most accurately explains why ATP hydrolysis is highly exergonic? a. There is a large drop in potential energy because charge repulsion is reduced b. There is a large increase in potential energy because charge repulsion is reduced. c.

shorthorn cattle may be red, white, or roan in color. the roan is an intermediate coloration due to a mixture of red and white hairs, and is the result of incomplete dominance.

Describe about development of flat bone.

2. What is an example of fast and dramatic erosion?

because of its structure the cell membrane is known as a phospholipid? a. bilayer b. molecule c. fluid d. barrier

Why do vaccines not protect against all viral diseases?