Which of the following molecules can cross the lipid bilayer of a membrane directly, without a transport protein or other mechanism? Select all that apply.

water

ions

proteins

oxygen

carbon dioxide

lipids

sucrose

Which disturbance would result in primary succession? harvesting wheat by using a combine harvester at the end of the growing season controlled burning to stimulate the growth of forest trees such as sequoia the formation of Surtsey, a volcanic

What are the molecules that are similar enough to a neurotransmitter to bind to its receptor sites on a dendrite and mimic that neurotransmitters effects caalled

8. What trait is shared by frogs, humans, hares, caimans, and parrots

What are two substances that may be formed in anaerobic respiration?

an organism that reproduces asexually will have offspring that have) A. the same genetic information as both of its parents) B. different genetic information from either of it's parents) C. the same genes as it's parents) D.

Enzymes work best at?

Which technique is used to separate the different cell parts?

How do scientists know that the universe is expanding? The Doppler effect shows stars with yellow shifted light The Doppler effect shows stars with green shifted light The Doppler effect shows stars with red shifted light The Doppler effect shows

What are two ways in which scientists transform plant cells without using plasmids?

Exploring how indoor air pollutions lead to respiratory problems is an example of using biology to what