Which of the following infectious agents cannot live outside of a human body for extended periods of time?

A.

mycobacteria

B.

salmonella bacteria

C.

trichophyton fungi

D.

human immunodeficiency virus

A 58-year-old female presents in the clinic with complaints of fatigue, weight loss, and tingling in her fingers. Laboratory findings show a low hemoglobin and hematocrit, a high mean corpuscular volume, and normal plasma iron.

During his first night in the detoxification unit, quent developed what seemed like a case of the flu. he ached all over and had diarrhea. he was probably withdrawing from: heroin. alcohol. cocaine. cannabis.

The membrane has open K channels, and changing extracellular K concentration results in a change in membrane potential. Changing the extracellular Na concentration does not significantly change the membrane potential.

Item 5 Animal A and Animal B each have 95% of their DNA in common. Animal A and Animal C each have 50% of their DNA in common.

The common cold is caused by a virus that infects the upper respiratory tract causing local inflammation. it is clinically called coryza, which comes from the greek for

Which two processes result in variations in sexually reproducing species? (1) mutation and genetic recombination (2) mitosis and natural selection (3) extinction and gene replacement (4) selective breeding and cloning

How was the amount of food caught by a heron related to change in biotic and abiotic factors?

Which ecosystem demonstrates the lesser biodiversity? Why?

A particular tissue was discovered to have cells that lie in small chambers, separated by a matrix that is solid yet flexible, and fibers that could be stretched while still being able to return to their original length. Name this tissue.

What does the lac operon in bacteria code for?