I think c but choose at your risk!
I believe the correct answer is mRNA. Dicer is a part of RNase III which leaves double stranded RNA and pre-microRNA into short double stranded RNA fragments called small interfering RNA and microRNA respectively. The Dicer facilitates the activation of RNA induced silencing complex (RISC), which are essential for RNA interference. The RISC has a catalytic component argonate, which is an endonuclease capable of degrading mRNA. siRNAs are specfic to the mRNA sequence unlike miRNAs which are not completely complementary to the mRNA sequence.
The correct answer is 'adrenarche'. This is also the period of early sexual maturation in humans and other higher primates. This period is associated with the development of pubic hair, body odor and acne. The adrenal cortex secretes higher levels of androgens. The development of a new zone of the adrenal cortex, called the zona reticularis, occurs during this period.
Answer:
b. False
Explanation:
Kozak consensus sequence acts as translation initiation site and is involved in the initiation of translation process.
The sequence is 5'-(gcc)gccRccAUGG-3' . AUG in the sequence is start codon and codes for methionine. It is highly conserved. R denotes a purine which means that it can be either adenine or guanine. Significance of bases inside brackets have not been properly confirmed.
Hence, the statement that Kozak consensus sequence defines the location of the transcriptional start site is false.
The correct answer is option D, that is, redwood tree forests.
Gymnosperms are seed-bearing vascular plants, in which the seeds or ovules are not enveloped in an ovary. In gymnosperms, the pollen is the male reproductive part, and the cone is the female reproductive part. It includes cycads, conifers, and ginkgo.
The redwood trees are examples of gymnosperms and play an essential role in sustaining the equilibrium of carbon dioxide in the atmosphere, like green plants.