Answer:
The main flower parts are the male part called the stamen and the female part called the pistil. The stamen has two parts: anthers and filaments. The anthers carry the pollen.
Explanation:
Answer: The statemens correct are: A) In a β-pleated sheet, the side chains extend above and below the sheet,
C) The α-helix is held together by hydrogen bonds between the amide N-H and C=O groups
D) The secondary level of protein structure refers to the spatial arrangements of short segments of the protein
E) Peptide bonds stabilize secondary structure
Explanation: The statement B is incorrect, because the amino acid side chains extend outside the alpha-helix, not inside
Matthias Schleiden and zoologist Theodor Schwann determined that all living things were composed of cells
Snug but do not make it too tight because if it is very tight against the skin then blood circulation will decrease.
However, if the friend appears to be very injured, he/she might need to get examined by a professional