If you have an eraser with a mass of 20g and volume of 10cm^3, what is the density

In the 1950s, when Watson and Crick were working on their model of DNA, which concepts were well accepted by the scientific community? Select all that apply. (a) - Genes are made of DNA. (b) - Chromosomes are made up of protein and nucleic acid.

Which statements are true about a stable community? Select one or more: a. There is a large variety of species b. The populations of the species are reasonably constant over time c. It is easy to replace a stable community d.

Which molecule would be the most affected by limited nitrogen?. a. myofibrillar proteins in muscle. b. glucose molecules in starch. c. fat molecules surrounding organs. d. cellulose molecules in plant cell walls.

Which consist of sperm cells and egg cells?

Which of the following statements is consistent with the assertion that protists are paraphyletic? a. Protists all share a common set of synapomorphies b. Protists are all having more primitive characteristics than land plants and animals c.

Which type of rock takes longer to be weathered?

A substance directly involved in cellular communication within the human body

If a body's rectal temperature cannot be taken, what other location can be used?

Even though the full oxidation of glucose is exergonic, some of the steps in the involved pathways are endergonic. a. true b. false

Fill in the blanks with the correct words. The movement of molecules from an area of low concentration to an area of high concentration occurs in transport.