In pea plants, the allele for purple flowers (P) is dominant over the allele for white flowers (p). What percentage of the off spring is expected to be purebred from across of Pp * Pp? 25%

50%

75%

100%

Which term means the tissue death of an artery or arteries?

The diffusion of oxygen and nutrients from the blood into the body tissues occurs in the

How do the pollutants that cause acid rain get into the air?

What type of plants have flowers?

Which of the following statements is false? -DNA can be found within the nucleus of an animal cell. -Plant cells do not have DNA within the nucleus -Bacteria are unicellular organisms that lack a nucleus.

If B is dominant for brown eyes and b is recessive for blue eyes, write the genotype and phenotype shown for #1-3. 1. Homozygous dominant 2. Homozygous recessive 3 Heterozygous

Photosynthesis removes A: oxygen from the atmosphere and puts it in food B: sunlight from the earth C: carbon from the atmosphere and puts it in food D: pollution from the atmosphere

For an object to remain at rest, which of the following must be true?

A particular plant has two alleles that control the length of its stem. T represents the dominant allele that codes for a tall stem, and t represents the recessive allele that codes for a short stem.

If you notice files being transferred to or from your computer a.) simply close the window b.) open a new internet window c.) tell the instructor d.) close the internet session and tell the lab instructor