Answer:
False
Explanation:
Gram stain technique is a method use to classify bacteria into large groups base on their different cell wall components. It differentiate gram positive and gram negative by coloring them with red or Violet colors.
Gram stain is use for identification and classification of bacteria.
Gram positive stain violet due to presence of thick layers of peptidoglylcan in their cell walls and gram negative stain red due to thin layers of peptidoglylcan in their cell walls.
Answer:
A.
Explanation:
All other options are simply situational, while cold periods are usually seasonal.
The respiratory system regulates oxygen flow, and provides regulation for oxygen blood content. Circulatory system plays a roll in providing enough oxygenated blood to the body
Answer:
1. The Southern Hemisphere would be having it’s hottest temperatures.
2. Depends, if you are near each other yes, but say Antarctica and Florida won’t have the same temperatures as each other because they are different climates.
3. diurnal temperature variation.
Explanation for 1:
The two hemispheres are opposite, one is hot, one is cold. Therefore, the Southern Hemisphere would be having it’s hottest!
