The cell wall of gram-negative bacteria is thin (approximately only 10 nanometers in thickness), and is typically comprised of only two to five layers of peptidoglycan, depending on the growth stage. In gram-positive bacteria, the cell wall is much thicker (20 to 40 nanometers thick).
Answer:
10) Meristematic tissue
11) When plants are seedlings, slight breezes help them grow more sturdy. Wind at gale force can damage or even break and blow down the strongest tree.
12) Aerenchyma
13) It is made up of mostly dead cells.
14) Bletia (Orchidaceae) pollen
Do you have choices to choose from? If mechanical weathering is in the choices (if you have them) then it would be mechanical weathering
Answer: option A
Explanation: As demonstrated by the Hardy-Weinberg principle, the dominance or recessiveness of an allele does not determine its frequency in a population.