Answer:
Transcription → RNA Processing → Translation → Modification of protein
Explanation:
Gene regulation is a process where the expression of a gene is controlled. The genes which are expressed in a cell further determine the fate of proteins and RNAs.
In eukaryotes, gene the gene expression occurs in following steps -
- Chromatin accessibility
- Transcription
- RNA processing
- RNA stability
- Translation
- Protein activity/modifications of protein
Thus the sequence of steps mentioned in the question will be - Transcription → RNA Processing → Translation → Modification of protein.
Single stranded and contains uracil and ribose
Answer:
Chromosome number in gametes- haploid (n)
Chromosome number in zygote- diploid (2n)
Explanation:
Sexually-reproducing organisms make use of gametes to reproduce. The gametes are produced via the process of meiosis, which is a cell division that results in daughter cells (gametes) that have their chromosomal number reduced by half. A diploid (2n) organism i.e. possess two set of chromosomes undergoes meiosis to produce haploid (n) gametes i.e. contains one set of chromosomes. The male parent produces haploid sperm while the female parent produces haploid egg.
During reproduction, these haploid gametes (sperm and egg) combine in a process called FERTILIZATION to produce a diploid ZYGOTE. The diploid zygote then divides and grows into the full organism. Hence, since a zygote is formed by the fusion of two haploid gametes (sperm and egg), it contains a diploid chromosome number i.e. sperm (n) + egg (n) = zygote (2n)
Answer: A). cause the three bones of the middle ear to begin to vibrate.
Explanation: Sound is transmitted as waves from the outer ear through the ear canal to the ear drum. The sound waves causes the eardrum to vibrate and consequent vibration of the three tiny bones of the middle ear. The vibration of the three tiny bones causes the fluid in the inner ear to vibrate. The vibration of the fluid causes the tiny hairs to vibrate and and the vibration is converted to electrical impulses that are transmitted to the auditory nerve and to the brain, where they are intepreted as hearing (sound).
