Answer:
α-ketoacid; glutamate.
Explanation:
The amino acid synthesis is important for all the living organism. Different organism uses different strategy for the synthesis of amino acid.
The α-ketoacid is generally used in the synthesis of amino acid especially in microorganisms and plants. The transamination of glutamate results results in the formation of particular alpha-keto acid.
Thus, the correct answer is option (b).
Parenchyma is the answer because whereas the other two, xylem and phloem are vascular tissues, parenchyma is a packing tissue.
Answer:
The independent variable is "controlled" or held constant in the control group. A single experiment may include multiple experimental groups, which may all be compared against the control group. The purpose of having a control is to rule out other factors which may influence the results of an experiment.
Explanation:
