Which of the following is true of an enzyme? (mark all that apply)

a. it is a protein

b. it is a catalyst

c. it binds to many different substances

d. it is small compered to its substrates

Biotechnology is used in a variety of areas from agriculture to pharmaceuticals to fuels. How is the use of biotechnology in agriculture beneficial to the environment? Genetically altered crops are unable to reproduce.

What happens as a population approaches carrying capacity?

True or false Heterotrophs convert solar energy into chemical energy.

What is an explanation of why producers are always found at the lowest trophic level?

What role do producers play in the carbon cycle?

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya

The word below is the scientific name of a species of protists that causes algal blooms. Which of the following answer choices best represents the bolded word in the scientific name below? Karenia brevis class species kingdom genus

What is a Barr body, and where is it found in a cell? b) Define the Lyon hypothesis.

Which phylum if algae stores food in the form of floridean starch

The moon rotates around the earth at a speed of 2,288 miles per hour. Is the moon accelerating?