Oxygen is recycled in the

A nitrogen cycle

B carbon cycle

C none of these

D water cycle

Does the enzyme pepsin have co-enzymes?

Protein Glucose Cellulose is a fuel your body uses for energy.

What type of map shows changes in elevation on earths surface?

What drives the flow of water through the xylem? Question 4 options: passive transport by the endodermis active transport by tracheid and vessel elements the evaporation of water from the leaves the number of companion cells in the phloem

Which describes the chromosomes by the end of prophase II of meiosis? A) The chromosomes of two haploid cells reach opposite sides of the cell and incorporate into two new nuclei.

Which conditions lead to a slower rate of weathering? Select two options. 1. porous rocks 2. cold climates 3. hard minerals 4. high temperatures 5. low moisture levels

What is the relationship between these two structures enantiomer?

Identify what structures in a skeletal muscle will shorten in length during contraction of the muscle. choose all that apply. (0.5 pts)

What mechanisms are in place to prevent the continuous stimulation of a muscle fiber after the neurotransmitter is released from the presynaptic membrane?

According to the Hardy-Weinberg principle, genetic equilibrium would be more likely in a population of mice if :