b
I am not that sure but I think endocrine cell don't contain blood vessels
The answer is C, glacial till soil. Glacial till is a mixture of coarse clay and rock particles according to the reading.
Changes in temperature, salt concentration, ionic concentration, of pH levels
Answer:
The Answer is, B, C, And E. I just took it on USATESTPREP.
B) G3P can be used to form the backbone of triglycerides. Glycerol combines with fatty acid tails to form lipids.
C) Two G3P molecules can be combined through anabolic processes to form glucose, a six-carbon sugar required by cells.
E) G3P can be used in to synthesize amino acids, which contain a central carbon, a carboxylic acid group, and a variable R group. These amino acids can then combine to form proteins.