Which feature of the lung cell allows oxygen to pass through quickly? Choose one answer.

A: It is thin

B: It has a large nucleus

C: It has many mitochondria

The gene for flower position in pea plants exists as axial or terminal alleles. Given that axial is dominant to terminal, list all of the possible F1 and F2 genotypes and phenotypes from a cross involving parents that are homozygous for each trait.

Which statement best defines a cell. A) a crystal like structure that exists in all living things B) an independent functional unit of life C) The smallest organelle of all living organisms D) The basic unit of structure and function in all living

Which distinction below would a dichotomous key not identify? A.) Blue or green B.) Circle or square C.) Purple or triangle D.) Tall or short

The student nurse is reviewing a patient chart in preparation for a clinical experience. the student see the term nummular to describe the patient's lesion. what would describe a nummular lesion

Which is the function of space observatory technology?

This is a genetic mutation caused by the insertion or deletion of one or more nucleotides that changes the amino acid sequence from the site of the mutation forward.

WhAt is sceince in english

The development of some organisms, like sea turtles, are affected by the temperature at which the eggs are incubated. Typically, cooler temperatures produce more males, and warmer temperatures produce more females.

What is one function of the pyloric sphincter? a. secretes hormones into the stomach b. prevents the contents of the small intestine from backing up into the stomach c. secretes acid into the stomach d.

What are some examples of how environmental factors affect genetic variation and influence natural selection