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dedylja [7]
2 years ago
7

Please help me with this

Biology
2 answers:
Ber [7]2 years ago
8 0

Answer:

uses energy to work

Explanation:

den301095 [7]2 years ago
3 0

Answer:

uses energy to work(?)

Explanation:

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An isotope undergoes radioactive decay by emitting radiation that has no mass. What other characteristic does the radiation have
lisabon 2012 [21]

Since the radiation has no mass .It is Gamma radiation.

Step by Step Explanation:

Characteristics of Gamma radiation are as follows:

  • Gamma radiations are chargeless.
  • It is Electromagnetic wave having a very short wavelength.
  • It is not effected by the electric or magnetic field.
  • It has velocity equal to light in vaccum .
  • It has a very high intensity and can penetrate long distances.
  • It has a very low ionizing power. i.e. it does not ionize the medium in whic it travels.

Gamma radiation has proved itself to be very useful in radioactive treatment of cancer due to its high penetrating power.  

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3 years ago
Help 15 points<br><br> What 2 major air masses lead to the tornadoes in Tornado Alley?
Thepotemich [5.8K]

Answer:

It's along the front between the two airmasses that most tornadoes form.

Explanation:

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3 years ago
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How many nucleotides are needed to code for an amino acid
ivanzaharov [21]

Answer:

Three nucleotide

Explanation:

Three nucleotides are required to code for one amino acid. There are four types of nucleotides A, T, G, C which make DNA. So a doublet of nucleotide code which involves only two nucleotide would be insufficient to code for 20 amino acids because if 4 different nucleotide is taken two at a time then it can only produce 16 amino acid(4²=16).

But if we take three-nucleotide than the number reaches 64 which is more than sufficient to code for 20 different amino acids(4³= 64). Therefore 3 nucleotides are needed to code for an amino acid.

8 0
3 years ago
When two pea plants with Tt genotypes are cross-bred how many short (tt) plants will there most likely be in the new generation
oksian1 [2.3K]

Answer:

25%

Explanation:

Tt will cross with Tt resulting in 25% TT, 50% Tt, and 25% tt

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Recent genetic research indicates that ____ or more individuals are needed for an endangered species to maintain its capacity fo
garri49 [273]
The answer would be 2 or more
3 0
2 years ago
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