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defon
3 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]3 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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What layer is only found in the epidermis of the lips palms and soles?
Inessa [10]

The layer that is typically only found in the thicker parts of skin on the body such as the lips, palms of the hands and the soles of the feet is called the "stratum lucidum" of the epidermis. What stratum lucidum is, is literally just dead skin cells. The term "stratum lucidum" is actually latin for "clear layer".

Stratum lucidum is strategically placed between the stratum granulosum and the stratum corneum of the epidermis.

The stratum lucidum has the following functions; for dead skin, it has a lot to do:

1. It helps the skin have the elasticity to be able to stretch. 

2. Decreases the traumatic friction of the skin in those areas that are very sensitive like the palms, soles and lips.

3. It causes the skin to be "water proof". This is the help make sure that no foreign bacteria enters our skin. 

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3 years ago
IiiiiiPLEASE HELP!!!!!
Ksju [112]

Answer:

         A plant based diet is clearly more nutritious. In fact, all protein orginates in plants. This is because it does not contain cholestrol, has very little amounts of fat, and is the only source of fiber. The science also bears this out. A plant based diet requires less recourses because it does not require the feeing of animals. The grain, fruit, vegtables, etc. goes directly to huaman, rather than being given to a imprisoned animals first. People should not only eat less meat, the should eat no meat. This is due to the three pillars of veganism. Ethics, envirnonment, and health. It is unethical to keep a animal in a cage it's short life and murder it. It is not envronmentally safe to raise trillions of animals a year all of whom produce methane, which is 16x more potent than CO2. And for health. It is increadable unhealthy to eat animal products. T. Colin Campbell has found a connection between cancer and dairy. Dr. Caldwell Esselstyn has found a undeinable link to heart disease. There are may more connections like this, which are very clear in their message: Humans can not handle the saturated fat, HEME iron, cholestrol, sugars, inflammatory substances, and everything else that comes with eating animals. Humans basic biology says we should not eat meat. We cannot murder animals with the tools that nature gave us.

Explanation:

8 0
3 years ago
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Can someone help me please
ipn [44]

Answer: 1. Disaccharide

2. two monosaccharides, galactose and glucose

3. the role of lactase is to catalyse the hydrolysis of the disaccharide lactose to yield the monosaccharides galactose and glucose

Explanation:

Lactose is a disaccharide, consisting of two monosaccharide units joined by a beta 1–>4 glycoside link

Lactase cleaves the glycoside link, giving two monosaccharides, galactose and glucose

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3 years ago
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zheka24 [161]

Answer:

the sea otter eats the urchin the the shark eats the otter

7 0
2 years ago
Emilio sees that the road is closed ahead. Then he sees other cars are making right turns to follow a detour. He makes decisions
Reil [10]

Answer:

Occipital Lobe

Explanation:

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Therefore here as Emilio decided by seeing and observing things going on her surroundings therefore occipital lobe is responsible for transmitting this particular sensory information.

7 0
3 years ago
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