These are complex proteins that speed up chemical reactions by lowering the amount of
energy needed to get the reaction started.
drag and drop answe

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

What happens when a plant is losing too much water through transpiration? question 14 options: stomata open stomata close guard cells swell respiration increases