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AleksAgata [21]
4 years ago
10

3. What holds combinations of atoms together in molecules?

Biology
1 answer:
AysviL [449]4 years ago
7 0

Answer:

chemical bonds

Explanation:

Strong chemical bonds are the intramolecular forces that hold atoms together in molecules. A strong chemical bond is formed from the transfer or sharing of electrons between atomic centers and relies on the electrostatic attraction between the protons in nuclei and the electrons in the orbitals.

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30 Joules of energy are transferred out of a system. The energy is lost through heat, mechanical, and electrical energy. If mech
Brut [27]

Answer:

The answer is 1500

Explanation:

it is simply multiplication

30*10*5=1500

7 0
3 years ago
Is hydrogen separating from oxygen part of cellular reparation
Y_Kistochka [10]
No I believe thats the other way around as in photosynthesis. For say water falls on the leaf then the leaf seperates the water from oxygen to give us the oxygen then it starts over to become a cycle.Life
3 0
3 years ago
The Various kinases can be activated by breaks in DNA.
Sonbull [250]

Answer:

The Various Kinases that is activated after the breaks in DNA is after the activation of ATM serine threonine kinase which helps in phosphorylation of other DNA replication check proteins, p53 protein (tumor suppressor protein) etc.

Explanation:

ATM activated by MRN complex at the site of DNA double stranded breaks by phosphorylation. MRN complex activity on ATM induces a conformational change in ATM kinase. So it can bind to its various substrate molecules that helps in DNA replication cycle arrest.

ATM phosphorylates CHK2 protein a product of CHEK2 gene, also known as effector kinases that phosphorylates and helps in deactivation of cyclin dependent kinases (CDKs) that helps in the prevention of progression of mitotic phase.

ATM also phosphorylates the inhibitors of p53 proteins which leads to the overexpression of p21, an inhibitor of (CDKs).

8 0
3 years ago
Please help i'm stuck on this and it's due soon, questions are in the images, will give brainliest!
UkoKoshka [18]

From the photographs presented, investigation reveals that the gender and age of the victim are:

  • Age: Elderly, at least 40 years old;
  • Gender; Female. This is clear from the hip and the shoe type discovered as the scene.

<h3>What is the preliminary hypothesis on the cause and manner of death?</h3>

The hypothesis or cause of death is a gun shot to the head. This is evidenced by the exhibit 23 - a bullet shell and the hole in the skull of the victim.

The databases that can help with these kind of investigations are:

  • The Crime Database
  • The Police Database.

Learn more about investigations at:
brainly.com/question/2219589
#SPJ1

3 0
2 years ago
Is hepatitis B the most common bloodborne pathogen?
IrinaK [193]

Answer:

No.

Explanation:

Hepatitis C is the most common bloodborne pathogen.

Hepatitis C as of 2022 has a infection rate of 3.7 million.

Hepatitis B as of 2022 has a infection rate of 2.2 million, or <em>1.5 million</em> lower than Hepatitis C.

Therefore, Hepatitis B is not the most common bloodborne pathogen.

Learn more about Hepatitis B, here:

brainly.com/question/6284143  - The three bloodborne pathogens healthcare workers in the US are most likely to be exposed to.

5 0
2 years ago
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