Answer:
Sodium acetate is a type of salt. When water is added to sodium acetate, the chemical bonds break down, causing it to separate into sodium ions and acetate ions. Then acetate ions in the water then combine with hydrogen atoms to create an acid called acetic acid.
Explanation:
Viruses are quite unique and varying a cellular creatures that can have multiple different kinds of structural features.
It can have in its centre either DNA or RNA. Double or single stranded.
Answer: Mitosis includes several steps that occur after the DNA has been copied but before the cytoplasm is divided.
Explanation:
What pathway would likely predominate in a mutant in which ci was overexpressed relative to a wild-type virus? - Lytic pathway; when the virus infects the cell, that is, it gets into it, clones or forms thousands of viruses and then breaks the capsid and continues parasitizing other cells to follow the same procedure.<span>in a mutant in which ci was underexpressed relative to a wild-type virus?</span> Lysogenic; that is when the genetic material of the virus is coupled to the genetic material of the cell, then the cells b, daughters of this, will be possessors of the virus (genetically).
Answer:
the mRNA goes through extensive modifications such as addition of a poly tail and a 5' cap in eukaryotes but not in prokaryotes.
Differences:
- the promoters in prokaryotes have a -35 and -10 box while in eukaryotes they are variable but have a TATA box from
- the transcription initiation site there is a single RNA polymerase in prokaryotes while eukaryotes have multiple RNA polymerases
- the sigma factor associates with the promoter region in prokaryotes but in eukaryotes there are many basal transcription factors
Explanation:
Ribosomal and transfer RNAs are processed both in prokaryotic and eukaryotic organisms. However, mRNA is only processed in eukaryotes. In eukaryotic cells, mRNA processing involves:
1. Capping at the 5' end. This process has several functions including regulation of nuclear export, prevention of eukaryotic mRNA degradation and promotion of translation.
2. Splicing in order to remove introns and conserve coding exons. Splicing helps to increase the diversity of the eukaryotic mRNAs (and therefore eukaryotic proteins)
3. Polyadenylation by the addition of a poly(A) tail at the 3' end. The poly(A) tail makes the eukaryotic mRNA molecule more stable and also prevents its degradation by exonucleases.
