Which cell structure is mainly responsible for releasing energy from food molecules in some single-celled organisms?

(1) ribosome

(2) chloroplast

(3) cell membrane

(4) mitochondrion

General guidelines for carrying a patient on a stretcher include

Match the pathway with its most highly regulated enzyme. Fructose 1,6 biphosphate phosphatase Glucose-6-phosphate dehydrogenase Glycogen synthase Phosphofructokinase 1 Acetyl CoA carboxylase Carbamoyl phosphate synthetase A. Glycogenesis B.

How is sneezing an involuntary action?

Which of these is used to find the precise age of a rock? Index fossils Radioactive dating Relative dating Stratified rock layers

Reform movements of the 1800's was most likely influenced by what event in Europe? A. Governments were slow to act. B. Populations were increasing rapidly. C. Revolutions were spreading across Europe. D.

In the following example, what is the independent variable? Hypothesis: Mice receiving Drug-A will pass through a maze faster than mice receiving a water placebo.

You've seen two hbs molecules stuck to each other. imagine a third one randomly bouncing up to them. how could it get stuck on?

Which scientist first said that planets travel in fixed paths or orbits A) Kepler B) Ptolemy C) Galileo D) Copernicus

Describe the process of inhalation

In a Venn diagram, the separate circles contain characteristics unique to each item being compared, and the intersection contains characteristics that are common to both items being compared.