Biology Answers

Carbon dioxide is produced within cells during ATP production. Briefly state why carbon dioxide must be removed from tissues. Trace the pathway of carbon dioxide from within a cell (such as a muscle cell) into the alveoli for exhalation.

What do the heart sounds (lub-dup) tell us about the action of the heart? ( short answer please)

What characteristics of the respiratory system help produce efficient gas exchange in the lungs? ( short answer please)

List the functions of the respiratory system? (Short answer)

How is blood pressure controlled? (short answer )

How do the structural distinctions between prokaryotic and eukaryotic cells reflect the varied environments in which they survive?

1. What is the difference of monosaccharide and disaccharide?
2. Give one example of monosaccharide and a disaccharide.

Is it correct to say that a volcanic eruption disrupted the energy flow of an ecosystem because many plants and animals died in a short period of time/ instantly? Ex. plants were covered by ashfall thus wont be able to produce energy and thus dies.

How do volcanic eruptions and earthquakes disrupt biogeochemical cycles?

1. Explain the features of the molecule represented in the structural diagram below. You must identify and describe each of the following:
2. Type of macromolecule and how you know
3. Functional groups present