Which of the following are nucleic acids?

chlorophyll and retinal

DNA and RNA

lipids and sugars

glucose and glycogen

What type of rock can be changed into a metamorphic rock? sedimentary only either sedimentary or igneous sedimentary, igneous, or other metamorphic

what types of organisms benefit from the producers that capture energy from sun light and produce oxygen and sugar?

Some research suggests that individuals who take both vitamin C and zinc at the onset of one common cold experience fewer cold symptoms

What does the biodiversity on Earth indicate about its organisms? a) They share many common structures and functions. b) They are adapted to live in a variety of environments. c) They have not changed over the course of Earth's history.

What did you observe when you mechanically stimulated your retina? what you learned from lecture explains the observation?

Which human activity increases beach erosion? A) large storm waves B) removing beach plants C) over-protecting sand dunes D) swimming near the shoreline

For plants and other organisms to develop differences among their respective species the alleles of their genes must contain variations. What is the original source of these variations?

Describe how deforestation might contribute to global warming.

In Biology, name the term when a whitish liquid excrete out from a man's private part.

We can test the relative permeability of a phospholipid bilayer by using a synthetic membrane that does not contain any protein components. Some uncharged, polar molecules are found to diffuse freely across these membranes to varying degrees.