Answer:
84
Explanation:
42 X 2 since it is a pair
Answer: the expression of certain genes is affected by temperature
Explanation:
For organisms to survive changing environmental conditions, a lot of molecular processes occur in the genes.
For the arctic fox, enzymes coded by specific genes are periodically "switched on or off" depending on the temperature.
Thus, the change in colour can be EXPLAINED by the expression of certain genes affected by temperature
Answer
Step 1: taken in by plants during photosynthesis.
Step 2: The animal eats a plant and uses it carbohydrates for energy.
Step 3: The animal releases the carbon dioxide back into the atmosphere during respiration.
Step 4: The cycle repeats when the carbon stored in the atmosphere as carbon dioxide gas is taken in.
Hope this helps!
Answer:
CH4
Explanation:
Combining hydrogen and carbon produces a group of organic compounds called hydrocarbons. Depending on the specific molecular formula, there can be many different types of hydrocarbons, such as the fuels propane and octane. The simplest hydrocarbon is methane, which has the chemical formula CH4.