Enzymes are proteins that speed up reactions by

A. providing an additional energy source

B. supplying additional molecules for the reaction

C. removing inhibitors that slow down reactions

D. lowering the amount of energy required

Which of the following are included in the binomial name given to an organism? a. Kingdom, Family b. Species, Family c. Order, Genus d. Genus, Species

What is the basis for the earliest classification system of organisms?

What does the presence of eyes in blind cave fish indicate about the fishes ancestry?

Which of the following statements is true? All animals in the Chordata phylum have dorsal nerve cords. There are far more vertebrates on earth than invertebrates. Sponges are not true animals because they can perform photosynthesis.

Which animal has tracheae but no lungs for respiration? A. cardinal B. grasshopper C. toad D. tuna

Why denatured sucrase was used as a control

Does deforestation impact in climate change

What happens to the chromosome number during meiosis?

Quotas are used to estimate the efficiency of interviewing. a. True b. False

what characteristics do scientists use to arrange different types of light into the electromagnetic spectrum?