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Answer:
Option A
Explanation:
Only an autotrophic species can convert methane into food.
Deep below the sea, methane and hydrogen sulfide are found in abundance. These gases get mixed into the sea water.
Autotrophic bacteria containing phosynthetic pigments oxidize these dissolved gases thereby producing food.
Hence these autotrophic bacteria’s will be considered as producers as they produce food.
Thus, option A is correct.
Answer:
2 out of 4
Explanation:
Let the allele for cleft chin be represented by A, while the alternate recessive version would be a.
A parent that is heterozygous for cleft chin would have the genotype Aa.
A parent without cleft chin would have the genotype aa.
Aa x aa
Aa Aa aa aa
Aa - cleft chinned = 2/4
aa - normal chin = 2/4
Thus, two out of every four (2/4) of their offspring would have cleft chin.
Answer:
(a) When the enzyme phosphorylase is allowed to treat with the ATP and phosphorylase kinase, this helps in the activation of the more active form of the phosphorylase. This increase the process of the glycogen breakdown in the cell.
(b) PP1 ( protein phosphatase 1) removes the phosphate group from the substrate that results in the activation of the less active form of the enzyme. The process of glycogen breakdown in the cell will decrease.
(c) The hormone epinephrine causes the release of cAMP that increases the kinase activity. The active form of the enzyme predominates and increases the glycogen breakdown in the body.