Which of the following is NOT true regarding forms of vitamin A compounds? A Retinol is stored in the liver. B Retinal is used in processing visual signals. C Retinoic acid is the hormone form. D Carotenoids are vitamin A precursors found in plant foods. E Only plant foods are preformed vitamin A sources.

Carbon is fixed in the biosphere through __ into carbohydrate compounds. bacteria biomes dentrification transit photosynthesis

Endocrine glands __ release neurotransmitters into the junction between two neurons (synaptic cleft) include sebaceous glands and sweat glands secrete hormones that travel through a duct to the target organs secrete chemical messengers that travel in the bloodstream

During the linking step (pyruvate > acetyl-CoA): One $CO_{2}$ is released and one NADH is produced per pyruvate FAD is reduced to $FADH_{2}$ Two ATP are synthesized per pyruvate Lactate is generated under anaerobic conditions Question 2 How many times will Krebs cycle occur for each glucose molecule entering cellular respiration? 2 3 4 1 Question 3 What is the final electron acceptor in the electron transport? carbon dioxide water oxygen pyruvate glucose 1 pts 1 pts

__ is the polysaccharide most commonly found in highly fibrous foods such as celery. Cellulose Starch Glycogen Chitin

Fill in the Blank Question During cell growth enzymes scan the $\square $ looking for errors during its replication.

Adaptive radiation often follows mass extinction events. True False

A trait that is masked by a dominant trait or hiddent (discrete) is called __ A. purebred B. dominant C. recessive D. hybrid

What is it called when we use a DNA strand to make an mRNA? What is it called when we use the mRNA to make a protein?

Question 4 of 10 Which bodily system is NOT affected by immobility? A. Nervous B. Respiratory C. Digestive D. All systems are affected

The name given to media which allow multiple types of microbes to grow but are designed to display visible morphological or chemical differences among those microbes is $\square $ media.