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defon
2 years ago
12

Expression vectors differ from cloning vectors by ________. the presence of a selectable marker gene the presence of sequences n

ecessary to initiate replication the presence of necessary sequences to initiate transcription and translation a reduced number of cloning sites the ability to be introduced into host cells
Biology
1 answer:
adell [148]2 years ago
7 0

Expression vectors differ from cloning vectors by the presence of necessary sequences to initiate transcription and translation. Expression vectors contain promoter sequences.

Expression vectors must contain all regulatory sequences to initiate transcription and translation.

Expression vectors contain:

  • Promoter sequence
  • Transcription termination sequence
  • Ribosomal binding site (RBS)
  • Operator (bacteria)

Examples of mammalian expression vectors include adenoviral vectors and retroviral vectors.

Learn more in:

brainly.com/question/206970

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PLS HELP!! brainliest + extra points! it's easy but i didn't study tbh:)
NISA [10]

Answer:

Guanine to Cytosine

Explanation:

G always matches C

A always matches T

Hope it helps

Plz mark Brainiest.

4 0
3 years ago
Plants use sugars as
Pachacha [2.7K]

Answer:

a fuel for cellular respiration and a starting material for making other organic molecules.

Explanation:

Plants have the ability to produce sugars by the process of photosynthesis. Plants can convert the inorganic CO2 from the air into the organic nutrients such as sugars. Plants store sugars so that they can serve as a source of ATP for the cells as and when required. The sugars enter the process of cellular respiration and are oxidized into CO2 and H2O. In addition, the energy of chemical bonds of the sugars is used to form ATP molecules.

Plants also use sugars to synthesize other organic molecules. For example, several intermediates of Kreb's cycle can serve as precursors for the synthesis of amino acids. Amino acids are joined together to form different proteins.

8 0
3 years ago
Which way of organizing DNA best ensure that the information contained on each strand can be accessed
eduard

The information stored in the order of bases is organized into genes: each gene contains information for making a functional product. The genetic information is first copied to another nucleic acid polymer, RNA (ribonucleic acid), preserving the order of the nucleotide bases. Genes that contain instructions for making proteins are converted to messenger RNA (mRNA). Some specialized genes contain instructions for making functional RNA molecules that don’t make proteins. These RNA molecules function by affecting cellular processes directly; for example some of these RNA molecules regulate the expression of mRNA. Other genes produce RNA molecules that are required for protein synthesis, transfer RNA (tRNA), and ribosomal RNA (rRNA).

8 0
3 years ago
Which of the following hazards oan severely harm a worker's lungs?
san4es73 [151]

Answer:

I think that this might be your answer :) I tried hope this helps !

Explanation:

A) Heat exposure Because In terms of weather Heat:  Inhaling hot air, induces airway constriction making it difficult to breathe.

Also Of course, it's known that smoke from fire can have a terrible effect on your lungs. It can restrict oxygen flow, which can and most likely be deadly. So the exposure to the heat will distract them cause they cant breath while they work .

4 0
3 years ago
Polar compounds are forming bonds with the water on the outside of the membrane. These bonds are called ___.
Lana71 [14]

Answer:

Hydrogen Bonds

Explanation:

The arrangement of phospholipid bilayer of plasma membrane is such that ; the polar phospholipid heads  point outwards into the watery external environments. This Polar environment is Hydrophilic  or water loving, while the water- hating hydrophobic tail  region pointed inwards away from the watery medium.

This gives  the usual bilayer  shape to the plasma membrane,with the tail facing one another and heads outward.

The hydrogen bond is formed as inter molecular forces  between the hydrogen atom (positive side)of water molecule and oxygen atom (negative side)of the polar molecules e.g glucose, to form an idea dipole -dipole  force interactions,

Polar Compounds,  glucose, urea dissolved easily in hyrophilic  watery environment  to from Hydrogen bonds with water

<u>The correct answer is Hydrogen bond a dipole dipole  force</u>

3 0
3 years ago
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