E A,
100%-
Normal text
Cambria
13+ BIU
Base your answer to the following question on the diagram below.
X
.
US)
C
B-
2
E
15)Structures B and E provide nutrients and fluid for the gametes. Why are these substances
necessary for fertilization?
Your response:
Base vour answer to question 16-17 on the information below and on your knowledge of

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.