Insects often act as pollinators for plants. In turn, plants provide these insects with food. What kind of a relationship exists between the insects and the plants?

What is responsible for the peristalsis that occurs in the digestive tract?

What characteristic of dna makes nucleotide excision repair (ner) mechanisms possible?

Which type of blood vessel usually carries oxygen-poor blood? Which type of blood vessel usually carries oxygen-rich blood?

The rate of energy consumption by an animal is called

Which of the following is the best definition of a chromosome? A. The basic unit of a nucleic acid B. A section of DNA that codes for traits c. A combination of DNA and proteins in the cell nucleus D. A physical or behavioral characteristic

Which is true of mitosis

5. The blob operon produces enzymes that convert compound A into compound B. The operon is controlled by a regulatory gene S. Normally these enzymes are synthesized only in the absence of compound B.

What is the result of a dietary protein deficiency? increased synthesis of proteins a weakened immune system enhanced nutrient absorption increased bone turnover decreased breakdown of body protein

A student and teacher working together to answer an experimental question is an example of

Explain how the Earth's rotation and revolution about the Sun affect its shape and is related to seasons and tides.