Q1. At high pH values the active site of the enzyme pepsin changes shape.
When the active site of the enzyme changes shape, the enzyme is

A specific
B. denatured
C digested
D dead

your answer is "the 1950's"

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up

c is the answer to this question. altitude affects the weather because air molecules evaporate.