5. Which of these amino acids would have a positive charge at pH 7.0? a) Lys b) Asp
c) Met
d) Gly

6. Which of these amino acids has three nitrogen atoms in its structure? a) Lys
b) Arg
c) Tyr
d) Val

7. Beta sheets are an example of:
a) primary structure
b) secondary structure
c) tertiary

i have a feeling this is a gay person trolling to make straights look bad.

they both have a y in them

the correct answer would be d. hope this !

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )