Which type of mutation causes sickle cell anemia?

a. silent

b. missense

c. insertion

d. frameshift

Assume an animal lives in a mudflat that experiences low oxygen and high carbon dioxide levels twice a day during low tides. how could this animal compensate for this situation when it actually needs oxygen and carbon dioxide for normal metabolism

Which of the following is NOT a benefit of cool down activities? A. reduced muscle soreness B. maximal lightheadedness C. injury prevention D. gradually reduced heart rate

How do you describe the difference between a limiting factor and an ecosystem's carrying capacity

State one factor that contributed to the increase of life expectancy in the United Sates

In multicellular organisms, the cell cycle produces groups of cells that perform the same function. What are these groups called?

Which of the following attributes of oxygenated blood makes functional MRI (fMRI) possible? A. It can be seen using x-rays. B. Active areas of the brain take up more oxygenated blood than they need for their energy requirements. C.

How long will it take to get out our universe?

If the temperature of the body rises above 37°C (about 99°F), negative feedback is triggered to

A person with a body mass index of 26.5 is classified as

When electrons flow along the electron transport chains of mitochondria, which statement is true A) electrons from nadh get directly transferred to Cyt c B) nad + and fad are regenerated C) energy from atp hydrolysis is harvested for electron