Competition between two species occurs when?

A research scientist working for a pharmaceutical company discovers a plant toxin that is capable of blocking ribosome function. However, only the function of ribosomes bound to the endoplasmic reticulum (ER) is affected.

Which factor of genetic code makes organisms different from one another?

You cross purple-flowered and white-flowered pea plants, and all offspring are purple. how come? select one: a. none of the answers provided are true b. the white flower is dominant c. the genes for purple and white flowers are blended d.

What which would less likely be a cause of natural selection?

Some native peoples of south america use the drug curare to poison the tips of their hunting arrows. when an animal is struck by the arrow, it goes limp and quickly suffocates. why?

4. A tree dropping its leaves in the fall to conserve water and avoid freezing during winter is an example of?

Which is a single-celled fungus? A. mold B. mushroom C. alga D. yeast

Explain problems with using low-tar, low-nicotine cigarettes.

Some students are comparing the parts of a cell to the parts of the body. Which part best represents the cell membrane and why?

What is the difference between the nitrogen and carbon cycles?