Which statement is scientifically based?

A). Mutations rarely occur.

B). All mutations are harmful.

C). Some mutations can be contagious, like infections.

D). Mutations are not passed from parent to offspring.

Which of the following is an example of a human disruption to the balance of nature? terracing recycling conservation poaching

What are 3 plant adaptations to land?

Adam voluntarily sinned against God's law. True False

Suppose an organism can alternate between aerobic and anaerobic respiration. if it had to use anaerobic respiration exclusively, how many glucose molecules must it break down to generate the same atp as it would in aerobic respiration?

List three reasons that snow predictions made by meteorologists are sometimes incorrect. Explain your response.

The failure of homologous chromosomes to separate during meiosis is called a. skin disorders b. translocation. c. nondisjunction. d. Down syndrome.

As the wavelength increases, the frequency (A) decreases and energy decreases. (B) increases and energy increases. (C) decreases and energy increases. (D) increases and energy decreases.

The most obvious source of gene flow into any population is A) Emigration B) Immigration

Polypeptides and proteins must fold properly to be functional. Hydrogen bonds between the oxygen and nitrogen atoms of the peptide bonds are crucial to which level of protein structure?1. primary structure2. tertiary structure3. secondary structure4.

A particular gene can have two forms, called alleles. which statement best describes the difference between the dominant allele and the recessive allele? (a) only the recessive allele is expressed when both alleles ate inherited.