B. They are determined by I, AB, A, or B
Answer:
Dichotomous keys can only be used to classify organisms based on their observable traits.
Explanation:
I got it wrong on connexus so i hope you dont make the same mistake i did ;-;
<span>it has a specific activation site for enzyme attachment</span>
Answer:
1. Both Hydrogen should be positive and Oxygen is negative. I can't tell which photo that would represent however my best guess would be #2.
2. D
3. A
Answer: because the structure of their cell wall is unable to retain the crystal violet stain
Explanation:
Due to differences in the thickness of a peptidoglycan layer in the cell membrane between Gram-positive and Gram-negative bacteria, Gram-positive bacteria (with a thicker peptidoglycan layer) retain crystal violet stain during the decolorization process, while Gram-negative bacteria lose the crystal violet stain
