<span>B. the complementarity of DNA and RNA
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Answer: Xylem fibers and xylem parenchyma are the elements of the xylem which is a vascular tissue in plants.
Explanation:
Xylem fibers are dead cells whereas the xylem parenchyma are living cells.
Xylem fibers are responsible for providing structural support to the entire structure of xylem whereas the xylem parenchyma is involved in conducting of water and minerals.
In xylem fibers the lignin is present whereas it is absent in xylem parenchyma.
<h2>Answer with Explanation </h2>
The rice consists of a long chain of carbohydrate, so it has a high glycemic index which has an effect on blood sugar and insulin that is why white rice is avoided to be used for diabetic patients and if used then in a limited quantity. The type of carbohydrate which is present in rice is starch. This type of carbohydrate is good for growing up children and if a person is required instant energy can use this.
The answer is A. the substrate serves as a key to activate the enzyme.
Answer:
cell membrane, DNA and RNA, cytoplasm, and ribosomes
Explanation:
