Sickle cell disease is caused by a:

A. change in one allele.

B. change in the size of a chromosome.

C. change in two proteins.

D. change in the number of chromosomes in a cell.

D. Species reintrouuLLIUI 7. Which of the following is a main goal of a Species Survival Plan? A. breeding new species B. using DNA to recover extinct species C. reintroducing captive-bred organisms into the wild D.

Which part of cell division is different and plant and animal cells

Explanations of natural phenomena supported by large amounts of data are called

Salmonberry leaf cells contain 14 chromosomes. How many chromosomes will a new leaf cell contain after mitosis?

What is (are) the main difference (s) between passive transport and active transport? Group of answer choices Passive transport does not require any cellular proteins; active transport requires cellular proteins.

Cell engulfs microorganisms in cell "eating": pinocytosis active transport phagocytosis passive diffusion facilitated diffusion

Which kind of organism is an autotroph? consumer producer decomposer herbivore

Which process connects glycolysis and the citric acid cycle?

Reform movements of the 1800's was most likely influenced by what event in Europe? A. Governments were slow to act. B. Populations were increasing rapidly. C. Revolutions were spreading across Europe. D.

What's the definition of chemical energy