Which best describes a scientific theory?

1 answer:

4 0

Answer: A scientific theory is best explained as concepts that join well-supported and related hypotheses. In science, a theory is supported by a broad range of OBSERVATIONS, EXPERIMENTS, and DATA

Explanation:

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If you were to place the bear into the energy pyramid, the bear would go on level _____ and have ________ amount of energy avail

lukranit [14]

Answer:

The greatest in the first blank

the least in the second blank

Explanation:

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The fight or flight response of the nervous system is promoted by the _______ nervous system:

erastova [34]

Answer:

Sympathetic Nervous System

Explanation:

The main function of the sympathetic nervous system is to stimulate the fight or flight response.

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In eukaryotes, mitosis is the process that produces 4 identical cells from two cells

Svet_ta [14]

False. Mitosis is when 2 identical cells are produced from one cell. Meiosis is when 4 daughter cells are produced

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Describe the four combinations of active or inactive regulatory proteins that could be present at any time in the cell

Natalka [10]

<h2>Answer:</h2>

Following are the four combinations of active or inactive regulatory proteins that could be present anytime in the cell:

Active repressor , Active activator
Active repressor, Inactive activator
Inactive repressor, Active activator
Inactive repressor, Inactive activator

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3 years ago

Question 7

german

Answer:

$\boxed {\boxed {\sf A. \ Synthesize \ proteins}}$

Explanation:

The ribosomes are small organelles made of RNA and proteins. Its function is the same in both prokaryotic and eukrayotic cells: <u>protein synthesis. </u>

The process begins in the nucleus. The DNA and genetic information is housed here. Certain sections are transcribed and copied to make messenger mRNAs that can fit through the nucleus and pores to travel out to the ribosomes.

The ribosomes use the mRNA in a process called translation. They match each set of 3 nucleotides (a codon) in the mRNA to 1of 20 different amino acids. A special sequence of amino acids forms, the molecule folds, and a protein is formed.

So, a ribosome is the main site for protein synthesis and the correct choice is A.

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3 years ago