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VikaD [51]
3 years ago
14

How can DNA bases pair up

Biology
1 answer:
amm18123 years ago
8 0

Answer:

via hydrogen bonds; there are two between adenine and thymine and three between cytosine and guanine

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____________ is the preservation of all cellular and structural elements in as nearly the natural living condition as possible.
andriy [413]

Answer:

Cryopreservation

Plant Vitrification Solution 2 (PVS2)  and  Plant Vitrification Solution 3 (PVS3)

Explanation:

Cryo-preservation or cryo-conservation is defined as the process of preservation of all cellular and structural elements such as cells, organelles, tissues, organs, or any other biological constructs by cooling to very low temperatures.

Two commonly used solutions in plants for this purpose are Plant Vitrification Solution 2 (PVS2)  and  Plant Vitrification Solution 3 (PVS3). Plant Vitrification Solution 2 (PVS2) is consists of, w/v, 0.4 M sucrose, 30% glycerol, 15% DMSO and  15% ethylene glycol and Plant Vitrification Solution 3 (PVS3) comprising, w/v, 50% sucrose and 50% glycerol.

Hence, the correct answer is "Cryopreservation

Plant Vitrification Solution 2 (PVS2)  and  Plant Vitrification Solution 3 (PVS3) "

4 0
3 years ago
What specific event prompted Dr.Bass to create the body farm?
andrew-mc [135]

Before having the farm, he was asked to estimate the post - mortem interval of some human remains, and then they indicated because the flesh that was still there they could tell it was a year ago.

7 0
3 years ago
In terms of energy, what kind of system is earth
shusha [124]

The answer is both open and close but it can only be one so i would go with d. open

5 0
3 years ago
Read 2 more answers
I need help i can't tell if water gets cold faster when it's hot or when it's cold?
Zinaida [17]

Answer:

It differs, in some cases, hot water may get cold faster than water at room temperature, yet it is not 100% of the time.

4 0
3 years ago
What cpisra functional classification level(s) is (are) associated with the use of a motorized wheelchair for persons with cereb
bonufazy [111]
The CPISRA functional classification is a type of classification use for sport for people with cerebral palsy with different degree of severity. These people compete with one another and with people of other disability in various forms of sport. The CPISRA classification is divided into 8 classes, ranging from CP1 to CP8. The CPI AND THE CP2 CLASSIFICATION ARE FOR PEOPLE USING MOTORIZED WHEEL CHAIR.
5 0
3 years ago
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