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Ulleksa [173]
3 years ago
15

What is the definition of adenine

Biology
2 answers:
Savatey [412]3 years ago
5 0
One of the 4 nucleic acids that make up dna. It is purine derived & pairs with thymine.
yKpoI14uk [10]3 years ago
5 0

Answer:

it's a noun a compound which is one of the four constituent bases of nucleic acids. A purine derivative, it is paired with thymine in double-stranded DNA.

Explanation:

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Use the drop-down menus to complete the sentences.
creativ13 [48]

Answer:Chlorophyll, carbon dioxide, Oxygen

Explanation:

4 0
3 years ago
Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo?
Vesnalui [34]

B. Ice-albedo feedback

Explanation:

The ice-albedo feedback is one process that can significantly increase the rate of greenhouse emissions in response to a decreased albedo.

Albedo is the ratio of reflected light to incident light.

A decrease in albedo suggests that a surface is absorbing more light than it is reflecting. This is typical of areas with land cover and vegetation.

Areas with a high reflectivity have a high albedo. Snow, ice and polar regions are good reflectors of solar radiation. They have a very high albedo close to 100%. Much of the surface area is buried with ice.

Examples of greenhouse gases are carbon dioxide, methane, water vapor e.t.c

How does a low albedo relates to increase in greenhouse gas emission?

  • The ice-albedo feedback can substantially contribute to greenhouse gas emission.
  • The high reflectivity of ice causes long wave radiation to warm the air around a icy body in polar regions.
  • When ice melts, they leave land bare and exposed.
  • Melt water collects in pockets.
  • Exposed land leads to a decrease in albedo.
  • Organisms can thrive more in warm terrain.
  • Also, pockets of carbon dioxide gases trapped in ice is released.
  • Organisms release carbon dioxide into the atmosphere during cellular respiration.
  • Soils originally permafrost will become stable and this will encourage more human occupation of the area.
  • All these activities leads to an increase in the emission of greenhouse gases in an area with low albedo.

Learn more:

Greenhouse emission brainly.com/question/4580761

#learnwithBrainly

4 0
3 years ago
Do you think that plant cells are different than human cells? if so, how do you think they might be different? how do you think
svetoff [14.1K]
Yes because plant cells have a cell wall and chloroplast which animal cells do not have.
5 0
3 years ago
What is an adjuvant? view available hint(s) what is an adjuvant? a chemical additive that increases the safety of vaccines a vac
Alexxx [7]
I believe that an adjuvant is a chemical addictive that increases the effectiveness of vaccines. It is a pharmacological or immunological agent that modifies the effect of other agents. It may be added to a vaccine to modify the immune response by boosting  it such as to give a higher amount of antibodies and a longer lasting protection, and hence minimizing the amount of the foreign material or vaccine injected.
5 0
3 years ago
Roots that enable a plant to grow on another plant are called ________.
Luden [163]

Answer:

epiphytic roots

Explanation:

Epiphytic roots are those that live on other plants without parasitism. In this relationship, the epiphyte uses the other vegetable only as a support (phorophyte), removing no nutrients and, consequently, causing no harm to the species.

Epiphyte roots are estimated to represent about 10% of the total amount of vascular plants on the planet. This means that there are on average 29,000 plant species with this peculiar habit of life. These vegetables are mainly found in tropical rainforests and have almost no representatives in places with very low temperatures.

8 0
3 years ago
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