What substance in the mouth contains an enzyme that begins chemical digestion?

mucus

saliva

fiber

pepsin

In which organelle does the chemical process of photosynthesis occur?

Reuben has recently taken up weight lifting and his friends at the gym mistakenly believe they should eat more protein to build muscle. the dri for protein for healthy adults is 0.8 g per kg body weight.

Which type of molecule stores the main source of energy used by animals? a.) lipidsb.) proteinsc.) glycogen d.) starch

Describe the physiological processes occurring in the muscle fibers that account for the gradual onset of muscle fatigue

In pea plants, purple flower color (P) is a dominant allele, while while flower color (p) is a recessive allele. If a pea plant has a genotype of Pp, what is its phenotype?

How many chromosomes do humans with down syndrome have?

Which trophic level has the least amount of energy available for the next highest trophic level? a. secondary consumerb. omnivorec. decomposerd. producer

What is an acquired trait?

What does all of the organ system in a human form

Learn Which of the following would be the SI unit to use in measuring the amount of electrical current in a circuit? Assessme 0 ampere 1.03 Quiz: o Joule Calorie END OF LES 0 Watt Next