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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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Which of the following accurately describes the role of energy in cellular respiration?
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Answer:

The correct answer is option energy is a product.

Explanation:

Cellular respiration is a process in which oxidation of food or glucose takes place to produce energy. This process proceeds in four processes: glycolysis, oxidative carboxylation, Krebs cycle and electron transport chain.

All of this process produces energy in the form of ATP or energy equivalents like NADH and FADH₂.  

1. Glycolysis produces- 2 ATP, 2 NADH,  

2. Oxidative carboxylation produces- 2 NADH,  

3. Krebs cycle produces- 2 ATP, 6 NADH AND 2 FADH₂ and  

4. Electron transport chain produces at last- 24 ATP from these reducing equivalents.

Thus, option energy is a product is a correct option.

3 0
3 years ago
david buss, an evolutionary theorist, has attributed the big five personality traits to evolved ancestral needs. please select t
guajiro [1.7K]
It is a true statement that <span>David buss, an evolutionary theorist, has attributed the big five personality traits to evolved ancestral needs. The correct option among all the options that are given in the question is the first option. I hope that this is the answer that has actually come to your desired help.</span>
4 0
3 years ago
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A chemical equation lists CH3COOH(aq) as a reactant. What does (aq) indicate?
Dvinal [7]

Answer:

The compound is dissolved in water

Explanation:

"aq." is the abbreviation for "aqueous" ( watery).

In chemical equations the symbol (aq) means that the substance is dissolved in water.

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What occurs during cell differentiation?
Archy [21]

Answer: Zygote cells turn into adult STEM cells divide and create differentiated daughter cells.

Explanation: All DNA is in all cells, but different cells are specialized to preform different functions. They still contain all of the DNA, but they only use a small portion of the DNA. This occurs during a process called Gene Expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions

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3 years ago
A geneticist introduces a transgene into yeast cells and isolates five independent cell lines in which the transgene has integra
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Answer:

A) A transgene integrated into a heterochromatic region of the genome.

Explanation:

This is most likely the reason why the transgene is not expressed in the fifth cell line. It is likely that the transgene was integrated into a heterochromatic region of the genome. Heterochromatin consists of genetically inactive satellite sequences, and many of these are repressed to various extents. Moreover, because this is a tightly packed form of DNA or condensed DNA, it is inaccesible to polymerases and thus not transcribed.

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