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NemiM [27]
3 years ago
7

Bacterial cells are very different from one another. How is a bacterial cell able to incorporate a human gene into its genome, a

nd then manufacture human protiens?
Biology
1 answer:
Lady_Fox [76]3 years ago
3 0

Answer:

is diferent is another a bacterial

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Which of these BEST describes a scientific variable?
elena55 [62]

Answer: C) a factor that may affect an experiment or investigation

Explanation:

This is the best answer. A and B can be eliminated. D describes a controlled variable which is more specific than a scientific variable, thus C is the best answer. It is the best description of  just a scientific variable.

7 0
3 years ago
Read 2 more answers
Ent var
jok3333 [9.3K]

Answer: Oxygen

Explanation:I hope it helps . i have breifly explained it .

Oxygen gas is one of the products of photosynthesis.

Which reactant is the source for oxygen gas and how is it released?

A .

Water, released when sunlight splits it into oxygen and hydrogen ions

B .

Glucose, released when glucose is broken down into carbon dioxide gas, oxygen gas and water

C .

Carbon dioxide, released when sunlight splits it into carbon and oxygen gas

D .

Electrons, released when they strike the chloroplasts

Green plants capture energy and convert it into chemical energy by the process known as photosynthesis. During photosynthesis, carbon dioxide and water are transformed into simple carbohydrates and oxygen is liberated into the atmosphere.

light

6CO2 + 12H2O ----------------> C6H12O6 + 6O2

chlorophyll

Water is also used as a source of hydrogen required for reduction of carbon dioxide to form carbohydrate.

Water is oxidised in presence of light and chlorophyll. Hydrogen is removed from water and oxygen is released as follows:

light

4‎H20 ---------------> 2‎H20 + 4H+ + 4e− + O2

chlorophyll

or,  

2‎H2O ----------------> 4H+ + 4e− + O2

Hence the source for oxygen gas is water and it is released when water splits in the presence of sunlight into oxygen and hydrogen ions.

So, the correct answer is 'Water, released when sunlight splits it into oxygen and hydrogen ions'.

4 0
3 years ago
Which of these characteristics apply to viruses? Select all that apply.
Olegator [25]

The characteristics that apply to viruses are;

  • Viruses are made of RNA or DNA.
  • Viruses have a protein coat

<h3>What are viruses?</h3>

Viruses are microscopic non-cellular structure consisting of a core of DNA or RNA (nucleic acid) surrounded by a protein coat (capsid).

A virus is considered as by non-living because it requires a living host cell to replicate, and often causes disease in the host organism.

Therefore, the characteristics that apply to viruses are;

  • Viruses are made of RNA or DNA.
  • Viruses have a protein coat

Learn more about virus at: brainly.com/question/1427968

SPJ1

7 0
1 year ago
Match the level of organization in nature
Volgvan

Answer:

lvl 2 - Molecules consist of atoms

lvl 3 - Cells consist of molecules

lvl 4 - Organisms consist of cells

lvl 5 - Populations consist of organisms

lvl 6 - Communities consist of populations

lvl 7 - Ecosystems consist of communities interacting with their environment

lvl 8 - The biosphere consists of all ecosystems on Earth

Explanation:

4 0
3 years ago
This lake was formed by melting ice that came from an ancient A) ocean. B) glacier. C) ice berg. D) snow storm.
disa [49]
Glacier because ice sheet and stuff and science ill explain more in the comments

4 0
2 years ago
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