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kow [346]
3 years ago
12

The nucleoid region of a prokaryotic cell

Biology
1 answer:
Vladimir79 [104]3 years ago
7 0

Answer:

A. contains the cell's DNA

Explanation:

Prokaryotic cells such as the bacterial cells and the cells of archaeans do not have a membrane-bound nucleus. Their genetic material DNA is present in the cytoplasm only. However, their genetic material is concentrated in a specific region inside their cells. This is called a nucleoid. Nucleoid does not have any surrounding membrane. It represents the nuclear area where the DNA of the prokaryotic cells is present.

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Would an enzyme work in a different environment that is used to?
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Answer:

Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate. Temperature: Raising temperature generally speeds up a reaction, and lowering temperature slows down a reaction.

Explanation:

4 0
3 years ago
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Cellulose-digesting microorganisms live in the guts of termites and ruminant mammals. the microorganisms have a home and food, a
dlinn [17]

Answer:

Cellulose-digesting microorganisms live in the guts of termites and ruminant mammals. the microorganisms have a home and food, and their hosts gain more nutrition from their meals. this relationship is an example of mutualism.

Explanation:

Mutualism encompasses the ecological relationships between individuals of different species, in which both gets benefits and improve their biological functions. It usually occurs between species that have different nutritional and living requirements.

An example of this is also the nitrogen fixing bacteria (Rhizobia) and the legimunous plants, and the relationship between the Acacia and the Acacia ants.

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3 years ago
El pelaje de un cobayo negro es una característica dominante, y el de una cobaya blanca es recesivo. Cuando una cobaya negra y b
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Answer:

si es heterocigota la f.1

8 0
3 years ago
What tissue makes up most of the wood of a tree? A. primary xylem B. secondary xylem C. secondary phloem D. vascular cambium
Over [174]

<u>B. Secondary xylem</u> tissue makes up most of the wood of a tree.

<h3><u>What exactly is secondary xylem?</u></h3>

Secondary xylem is a sort of xylem produced by secondary growth. During initial growth, in contrast, the primary xylem develops. As a result, the secondary xylem is linked to the primary xylem by lateral growth as opposed to the vertical extension.

The kind of cambium that gives rise to each difference is another point of differentiation. The vascular cambium produces the secondary xylem, while the procambium produces the primary xylem.

Unlike trees and shrubs, non-woody plants lack secondary xylem. It gives such plants mechanical support by depositing lignin into their cell walls, thickening them. Compared to the major xylem, the secondary xylem is made up of tracheids and veins that are shorter and wider. In comparison to the primary xylem, it is also richer in xylem fibers.

Possible growth rings in the secondary xylem (or annual rings). Sapwood and heartwood are two differentiators of the secondary xylem in big woody plants.

Learn more about secondary xylem with the help of the given link:

brainly.com/question/703995

#SPJ4

4 0
1 year ago
Christie's doctor recommends that she eat 40 grams of protein a day. She's already consumed 50% of her protein recommendation fo
tia_tia [17]

Answer: The options are not given. The options are;

A. 1 B. 3 C. 4 D. 6

The answer is 4 which is option C.

Explanation:

Protein recommendations is the amount of daily required dietary proteins for a person base in its weight.

Christie's Doctor recommend 40grams of dietary protein and she has already consumed 50% of it. This meant that she has consumed about 20 grams of the required dietary protein and she needed additional protein source to complete her daily requirements. Therefore, Christie needs additional four servings of snacks to meet her daily protein recommendations.

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3 years ago
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