Secondary structures are dependent upon hydrogen bonding. The two main types of secondary structure are the a-helix and the B-sheet. The a-helix is a right-handed coiled strand.
Answer:
sorry i dont know i just put this to get points to ask my question im really sorry
Explanation:
The answer to your problem is question 3 i just took that test i got it right
Answer:
A pteridophyte is a vascular plant that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden. Ferns, horsetails, and lycophytes are all pteridophytes.
Explanation:
creatine phosphate is the chemical that helps to regenerate ATP
