Which type of stimulus is an allergen, such as pollen?

A.

inborn stimulus

B.

external stimulus

C.

response to a stimulus

D.

internal stimulus

In the offspring resulting from an f1 testcross, what percentage of recombinant phenotypes is expected if the genes under study are independently assorting?

An animal cell is growing and is active. The cell is going through which subphase of interphase? a. G1. b. G2. c. S

Which of the following is not found in the urinary system? A. bladder B. Rectum C. Uretha

A water sample from a hot thermal vent contained a single-celled organism that had a cell wall and a nucleus. classify this cell. selected: a. prokaryotethis answer is incorrect. b. eukaryote c. bacteria d. plant

Use this new information to determine the parents' genotypes (indicated by red arrows). then calculate the probabilities that the second male offspring will have each condition.

A 6-year-old boy has marked edema of the legs, accumulation of fluid in the abdomen, and a low blood serum albumin and total serum protein. his urine contains large amounts of protein. what is the most likely cause of edema?

Which of the following would not result in the dilation of the feeder arterioles and opening of the pre capillary sphincter in systemic capillary beds a. a decrease in local tissue O2 content b. an increase in local tissue CO2 c.

Explain how the positions of earth, moon and sun affect the tides

Each gene in a cell's DNA codes for a specific protein. True of False

What is the correct definition of a species? A. A population of creatures who all look the same B. A population of creatures who are all the same size C. A population whose members are all the same color D.