Which of the following statements best defines the term operon?A. An operon is a region of RNA that consists of the coding regions of more than one gene.
B. An operon is a region of DNA that codes for sugar-metabolizing enzymes.
C. An operon is a region of DNA that codes for a series of functionally related genes under the control of the same promoter.
D. An operon is a region of DNA that consists of a single gene regulated by more than one promoter.

Answers

Answer 1

Answer:

I say b but I’m not sure

Answer 2

Answer:

Answer: C

An operon is a function portion of a DNA strand that contains a cluster or genes that are controlled under one promoter. This is found in an bacteria or cell and controls protein synthesis. It helps conserve the energy of the cell by only producing proteins when necessary.

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Describe an example of a fossil that consists of an entire organism

Answers

A stone with the imprint of a star fish under layers of rock preserved. Or a leaf.

Select all that apply Smaller groupings within a species are called _____. varieties/ races / breeds/ mongrels

Answers

Varieties a number or collection or any of various groups of animals ranking below a species

Breeds a group of animals for reproduction by means of sexual process

Answer:

The correct answers would be varieties, races, and breeds.

In binomial nomenclature, variety refers to the taxonomic rank present below the species and subspecies. It is mainly used in the nomenclature of plants.

In a taxonomic hierarchy, race refers to the informal rank below subspecies. The race includes a genetically distinct group of organisms within the same species.

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Except reproductive cells, all other cells of the body are _____ cells.

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Another word for this is Diploid (rather than haploid, which refers only to gametes)

Somatic cells include all cells in the body except sperm and egg cells, so I believe this would be the answer.

Which one of the following is a characteristic of a metal? A. Changes the color of litmus paper to red
B. Conducts heat readily
C. Reacts with bases to produce salts
D. Becomes negative when combined with other elements

Answers

B) Most metals conduct heat readily. In pure elemental forms, theyneither have basic or acidic properties. Other properties includemalleability, high melting points, high densities, and electricconduction.

the answer is B conducts heat rapidly

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