Which is false? a. Enzymes are very specific for certain substrates. b. Enzymes are used up in chemical reactions. c. An enzyme binds to its substrate at the enzyme's active site. d. Enzymes emerge unchanged from the reactions they catalyze.

What substance is oxidized during cellular respiration?

Vacuole Location Where in the cells are vacuoles located?

What new information did Watson and Crick contribute to science

What did Darwin believe? Darwin believed that all organisms have a common ancestor. Darwin believed that all organisms were created simultaneously by the force of nature. Darwin believed that all organisms have descended from two different ancestors.

Which method is utilized by eukaryotes to control their gene expression that is not used in bacteria?

Match the staining techniques with their purpose. A Negative stain such as India ink or Congo red. B The Gram stain C The Ziehl-Neelsen Acid-fast stain D Simple stain with a basic dye E The Schaeffer-Fulton Endospore stain Stain microbes a bright

Sandy puts a paper clip on the table and puts a magnet near the paper clip. The paper clip begins to move. What type of forces are acting on the paper clip?

Which statement is an example of absolute age? 1) Dinosaurs lived a long time ago 2) Trilobites lives before dinosaurs 3) Teachers are old 4) Dinosaurs went extinct 65.5 million years ago

Identify the structure in the cell that will produce atp from the starch building blocks

True or false: plant cell cytokinesis is different from animal cell cytokinesis because the contractile filaments found in plant cells are structures composed of carbohydrates and the cleavage furrow in animal cells is composed of contractile