Which best describes how long it usually takes for speciation to occur?

several days

several generations

several years

one generation

How does a cells structure relate to its function in the body?

What are two different ways a plant could control turgor pressure?

The largest virus is about the same size as the smallest bacterium. True False

What are the two main processes that ecosystems depend on?

Assume saccharomyces cerevisiae is grown in a nutrient medium containing the radioisotope 35p. After a 48-hour incubation, the 35p would most likely be found in the s. Cerevisiaeʹs

Paleontologists can definitively conclude whether dinosaurs were endotherms. a. True b. False

What is thethe protein-assembly factories of the cell, are present in prokaryotic cells, animal cells, and plant cells.

Cells harvest the energy in organic compounds to make ATP through a process called

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.

Read the following statements that describe how information flows in the nervous system. What is the correct order in which they occur? 1) Response is carried to glands or muscles. 2) Information is gathered.