Aperson has sickle cell anemia a disease that affects the blood cells but does not caused enough harm to kill the person
a. lethal
b. deleterious
c. advantageous
d. neutral

explain why gene regulation is so important to multicellular organisms

The diagram illustrates the activity of vesicles during a cellular process.

What is the statement plant growth is affected by the color light

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes