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antiseptic1488 [7]
3 years ago
12

Head of department of Energy

Biology
2 answers:
gulaghasi [49]3 years ago
8 0
Secretary of Energy Rick Perry. Rick Perry currently serves as the 14th United States Secretary of Energy. Dr. Ernest Moniz served as United States Secretary of Energy from May 21, 2013 to January 19, 2017.
zhuklara [117]3 years ago
7 0
The current secretary of the department of energy is Rick Perry.
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What do similar banding patterns tell us living environment?
alina1380 [7]

Answer:What do banding patterns indicate?

Banding patterns are patterns of light and dark transverse bands on chromosomes. The light and dark bands become apparent by staining the chromosome with a chemical solution and then viewed under a microscope. These bands describe the location of genes on a chromosome.

Explanation:

Why are banding patterns important?

Banding Patterns Reveal the Structural Details of Chromosomes. Without any treatment, structural details of chromosomes are difficult to detect under a light microscope.

What does each stained band represent?

bands are the horizontal "bars" which are actually stained DNA molecules embedded in the gel. As the DNA molecules migrate through the gel, they are sorted according to their molecular weight, so that each band represents DNA of a specific molecular weight.

7 0
3 years ago
Which statement best defines micronutrients?
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<em>A statement that best defines micronuterients is;</em>

B. Micronutrients are required by the body in small quantities.

<u>Micronutrients are crucial for people of all ages. They are important for many physiological functions which include but are not limited to; Iron, Molybdenum, Vitamins, Cobalt, Zinc, Iodine, Magnesium, Selenium, and Copper.</u>

4 0
4 years ago
Describe the molecular structure of water, and explain why it is a polar molecule
lys-0071 [83]
A water molecule, in light of its shape, is a polar particle. That is, it has one side that is decidedly charged and one side that is adversely charged. The particle is comprised of two hydrogen iotas and one oxygen molecule. The bonds between the particles are called covalent bonds, on the grounds that the molecules share electrons.
6 0
3 years ago
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Which of the following is the best definition of DNA?
mr_godi [17]

Answer:

Option B. A double-stranded molecule with coded instructions for anorganism's physical characteristics, is the correct statement.

Explanation:

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8 0
3 years ago
A student conducted an experiment to test whether talking to plants would help them to grow faster. The student talked to one gr
timurjin [86]
The answer I believe would be talking to plants may or may not helps plants grow faster because the amount of water given was likely different for each group. I say this because there are more than one manipulated variables. (Each experiment should only have one manipulated variable to really be able to come to a conclusion) The student wants to see if talking to the plant will help. But the student also used different watering methods. So there was more than one manipulated variable. This can not give a good enough result because we do not know which affected the plant- the talking or the watering method/amount.

Hope this helps!
Can u plz mark me as brainliest?
4 0
4 years ago
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