Why do cilia cells have many mitochondria, and why do goblet cells have ribosomes?

Whales have what seem like remnants of a pelvis and femur, What are these structures an example of? transitional structures analogous structures vestigial structures adapted structures

When did hepatitis become a childhood immunizations?

In multicellular organisms, how do cells perform, the organism's life processes without doing all the processing themselves?

The nurse is caring for a patient with a history of severe cardiac problems. The goal is to use exercise to maintain the highest level of function possible.

A box of cleaning supplies weighs 15 N. If the box is lifted a distance of 0.60 m, how much work is done?

Fatty acids with an odd number of carbons are modified by carboxylation of propionyl CoA to ultimately generate the 4-carbon TCA intermediate a) Citric acid b) Succinyl CoA c) Fumaric acid d) Oxalic Acid CoA e) Acetyl CoA

In which layer of the atmosphere does most weather occur?

Dramatic biological changes, caused by a cascade of different hormones, that occurs during adolescence is referred to as what?

Why can small solute molecules pass through semi permeable membrane but colloid and suspension particles not?

What is the species introduced into ecosystems, intentionally or unintentionally, and usually by humans? some can take over - perhaps destroying - entire ecosystems. the lionfish is one example?