In the small intestine, cells contain microvilli, which are tiny hair-like projections that increase nutrient absorption. These projections increase the surface area of the small intestine allowing more area for nutrients to be absorbed.
Answer:
a poster showing the steps involved in photosynthesis
Explanation: Photosynthesis is a very necessary process on the earth surface. Photosynthesis is a process in which energy is produced. In this process, carbondioxode enters through small opening called stomata and water is absorbed by the plant from the soil. When these two are combine with each other in the presence of sunlight, it produces glucose and oxygen.
Helicase is the name of the specialized enzyme that unzips the bonds between bases.
By severing the hydrogen bonds between base pairs and unwinding the DNA molecule's two strands, an enzyme known as Helicase aids in unzipping the molecule. It binds to and dissolves the hydrogen bonds connecting the bases on the DNA strands. These hydrogen bonds continue to be broken as the helicase travels along the DNA molecule, separating the two polynucleotide chains.
Primase, a different enzyme, momentarily binds to each strand when the helicase separates them in order to build a foundation upon which replication can start.
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Answer:
Lactose present, glucose absent.
Explanation:
Lac operon may be defined as a cluster of genes that regulate the metabolism of lactose in bacteria. The bacteria always prefer glucose if both glucose and lactose is present in the medium.
The conditions that causes the maximal expression of lactose is the presence of lactose and absence of glucose. This is due to the action of catabolite activator protein and cyclicAMP.
Thus, the correct answer is option (1).
The probability of the offspring having a bent finger is 100% we can calculate this using a punnet square like one attached, where B is the dominant bent fifth finger and b is the recessive bent fifth finger, the man's genes are along the top and the woman's genes are along the side.
