Except for identical twins, all the other human beings are genetically distinct from each other. Why is this true?

A) environmental effects

B) migration

C) sexual reproduction

Which of the following statements regarding human genetic disorders is accurate? A. Disorders in individual genes can cause disease or provide individuals with a genetic advantage. B. Nondisjunction can lead to an incorrect number of sex chromosomes.

When heart muscles cells are deprived of oxygen, the heart still pumps. what must the heart cells be able to do?

Which of the following processes enables cells to stay within the limited range of conditions in which they function best? a biodiversity b metabolism c adaptation d homeostasis

Name the superficial muscles of the upper back and shoulders of the frog

Which reaction during blood clotting is catalyzed by the enzyme thrombin? a. fibrous fibrinogen to soluble fibrin b. soluble fibrin to fibrous fibrinogen c. fibrous fibrin to soluble fibrinogen d. Soluble fibrinogen to fibrous

DNA replication is a process that involves copying the DNA molecule. If a single base was miscopied, what would be a possible result of this for the cell in which it happened?

Cells that have a high energy requirement generally have many

How do trypansoma obtain food?

What 4 elements are organisms mostly made up of?

Earthquakes typically have foreshocks before and after the quake foreshocks before the quake and aftershocks after the quake aftershocks before and after the quake no shocks before the quake but foreshocks and aftershocks after the quake