Collagens are not

a. found as bundles of double-helical polypeptides
b. load-bearing proteins in the extracellular matrix
c. the most abundant component of the extracellular matrix in animals
d. high in glycine, hydroxylysine, and hydroxyproline

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?