A membrane sac that transports and stores molecules is what?

What is the name of the carbohydrate that humans use to store energy

Tryptophan is an amino acid necessary for E. coli survival and growth. E. coli contain genes coding for enzymes that synthesize tryptophan. These genes are grouped together on a segment of DNA called the tryptophan (trp) operon.

Which product of fermentation causes bread to rise? question 3 options: 1) alcohol 2) water 3) lactate 4) carbon dioxide?

Despite being farther away from the sun than Mercury, Venus has a much warmer temperatures. What accounts for Venus is temperature being higher than mercury's?

During a manic episode in bipolar disorder, the person's thoughts often rapidly shift from topic to topic. this characteristic is referred to as:

Write a description of the ecosystem, including biotic and abiotic factors, in no more than 4 sentences

A mutation causing an addition or a deletion of one base pair resulted in the production of a nonfunctional mutant protein. The sequences of the normal and mutant proteins are given below.

Which of the following statements about the greenhouse effect is true? A. Life on earth is suffering because of the greenhouse effect. B. All greenhouse gases are harmful. C. Life on earth would not exist without the greenhouse effect.

Do all organism in the same ecosystem have the same carrying capacity

The locomotive behavior of earthworms is enabled by contraction of their longitudinal and circular muscles; this is seen through their typical burrowing behavior.