Which phrase describes the role of the mitochondria?

a. where genetic material is housed

b. where proteins are manufactured

c. where cells control water content

d. the powerhouse of the cell

Tuberculosis is caused by the pathogen Mycobacterium tuberculosis, which currently latently infects nearly a third of the world's population. It is thought that host fatty acids can serve as a sole carbon source during infection. How does M.

At some intersections the traffic signals have sensors to detect vehicles, and the traffic signal will only change if

Which of these is an environmental effect of burning fossil fuels

Genetic engineering can be used to disrupt specific genes in the genome of an organism. Predict how the browning of apple slices would be affected in a strain of apples that was genetically engineered to lack functional copies of the gene encoding

Which of these best defines weather? Atmospheric conditions over 30-year period Day-to-day condition of the atmosphere Long-term condition of the atmosphere Average atmospheric condition

A species with 12 protons and 10 electrons is A) Ne2+ B) Ti2+ C) Mg2+ D) Mg E) Ne2-

What is the first step in the scientific process

According to the induced fit hypothesis of enzyme catalysis, which if the following is correct? A. The binding of the substrate depends on the shape of the active site B. Some enzymes change their structure when activators bind to the enzyme C.

Both algae and amoeba are in the domain Eukarya. Which of the following characteristics do they most likely share? A. They both belong to the plant kingdom. B. They both have cells with no nucleus. C.

Which of the following functions is NOT correctly matched with its description? a.) absorption; passage of digested nutrients into the blood or lymph b.) propulsion: physical breakdown of ingested food in the GI tract c.