A good expression vector for protein expression in coli should have features like an origin of replication, a selectable marker, a promotor, an operator, and a ribosome binding site.
A Ribosome Binding Site (RBS) is a part or segment of the upstream part of a messenger RNA (mRNA) molecule which binds the ribosome to position the message correctly for the initiation of translation.
Selectable marker genes are conditionally dominant genes that confer an ability to grow in the presence of applied selective agents that are normally toxic to cells or inhibitory to growth, such as antibiotics and herbicides.
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Answer:
C) Water will move out of the cell.
Explanation:
In microbial growth experiments, when a bacterium is placed in a Petri dish with a solution that contains dissolved salt (NaCl) - a hypertonic solution -, the result will lead to the <u>dehydration and shrinking of the bacterial cell</u>.
This condition will eventually cause the rupture of the cell, resulting in the diffuse of H20 molecules from the plasma membrane, that is, the water moving out of the cell.
<h2>Option C) Radioactive carbon dating</h2><h3>Hope it helps.. </h3>
Answer:
The smooth ER is responsible for assembling and packaging lipids
Answer:
Because of the great deal of active transport that occurs here, the <u>proximal convulated tubules</u> of all the nephrons collectively account for about 6% of one's daily resting ATP and caloric consumption.
Explanation:
Proximal convulated tubule is responsible for transport of a very large number of substances mentioned below :
- Sodium bicarbonate
- Sodium Chloride
- Glucose
- Amino acid
- Organic solutes
- K ions are absorbed via paracellular pathway.
- Water is absorbed passively.
Transporters include :
- Na/K transporter
- Na/HCO3 transporter
- Na/glucose
- Na/Amina acids
As a large number or transporters are present in the PCT , large amouny of ATP is cleaved here, and about 6% of daily resting ATP and caloric consumption occurs.
