Which of the following substances would not be found in significant amounts in the extracellular matrix of the illustrated areolar connective tissue?
a. collagen
b. elastin
c. keratin
d. proteoglycan

Which codon is the code for the amino acid histidine (his)?

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Which structure in the cardiovascular system connect arteries to veins?