From what source do cells get their food?  Blood  Oxygen  Other cells  Carbon dioxide

What is cellular respiration? Answer in 2-4 sentences, including the words below: Glucose Oxygen Aerobic Anaerobic

if a person does not follow good dental hygiene practices, the debris becomes food for bacteria that live on teeth. As the bacteria metabolize ________, they produce ________ that damages tooth enamel and results in decay.   Multiple Choice   carbohydrate; amylase   carbohydrate; acid   fructose; amylase   alcohol; dehydrogenase

What do urea, enzymes and ammonia all have in common? they are all proteins O phosphorous they are all essential nutrients nitrogen

Endothermic animals maintain their body temperature by increasing metabolic heat production in cool environments. Which food chain loses the most energy to cellular metabolism? algae → mosquito → spider → snake algae → mosquito → spider → bat algae → mosquito → bat → weasel algae → mosquito → bat

Which of the following is NOT true about enzymes?   Enzymes are proteins   Enzymes raise the activation energy of a chemical reaction   Enzymes help a chemical reaction to occur more quickly   Enzymes have an active site   Enzymes may be controlled by feedback inhibition

ATP is a compound that is formed when O O O digestive enzymes break amino acids into smaller parts. energy stored in chemical bonds is released during cellular respiration. chemical bonds between carbon atoms are formed during photosynthesis. energy stored in nitrogen is released, forming amino acids.

Which of the following does NOT describe enzymes? have primary, secondary, tertiary, and sometimes quaternary structure can increase the rate of chemical reactions contain molecules that have amino and carboxyl groups are chemically changed during their participation in chemical reactions subunits are joined by peptide bonds

10:20 ← Let's Practice! - 2 of 10 LTE 个 Question 2/10 1 point The percentage of additional calories we consume that are from refined grains, added oils and fats, and added sugars and sweeteners is nearly 25% 50% 75% 90% ← Previous Next → ||| O <

Living things create energy through the breakdown of food into nutrients which the cell can use. True or false