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3 years ago

RRNA _____.

2 answers:

3 0

The first answer is correct. rRNA makes up ribosomes along with other protiens. rRNA stands for ribosomal ribonucleic acid

Marizza181 [45]3 years ago

3 0

rRNA stands for Ribosomal RNA. rRNA is part of the ribosomes that manufacture polypeptides. Correct answer: A

These molecules form extensive secondary structures and play an active role in recognizing conserved portions of mRNAs and tRNAs and also assist with the catalysis of protein synthesis.

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List 3 factors that can speed up the rate of chemical reactions

zysi [14]

Answer:

Temperature
Greater Surface Area
Catalysts

Explanation:

Temperature

An increase in temperature typically increases the rate of reaction. An increase in temperature will raise the average kinetic energy of the reactant molecules. Therefore, a greater proportion of molecules will have the minimum energy necessary for an effective collision (Figure. 17.5 “Temperature and Reaction Rate”).

Greater Surface Area

The rate of a chemical reaction can be raised by increasing the surface area of a solid reactant. ... more particles are exposed to the other reactant. there are more collisions. the rate of reaction increases.

Catalysts

A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.

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7 0

2 years ago

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Deforestation is causing the rainforests around the Amazon to dry up

inna [77]

True deforestation causes rainforests around the amazon to dry up

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3 years ago

URGENT!! WHATS THE ATOM IN WHITE?!!?

garri49 [273]

Answer:

hydrogen

Explanation:

5 0

2 years ago

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In a short, detailed paragraph, please answer the following.

katovenus [111]

Answer:

Ans - 1 Photosynthesis begins with the light reactions. It is during these reactions that the energy from sunlight is absorbed by the pigment chlorophyll in the thylakoid membranes of the chloroplast.

Ans-2 The dark reactions of photosynthesis occur in the stroma of the chloroplast where they utilize the products of the light reaction. In the dark reaction, plants use carbon dioxide with ATP and NADPH from the light reactions to produce glucose.

Ans-3 The main factors affecting rate of photosynthesis are light intensity, carbon dioxide concentration and temperature.

5 0

2 years ago

______ polymers can be produced in large quantities at low cost.

lorasvet [3.4K]

Electrical products

Explanation - Polymers of electrical products can be produced in large quantities and low cost. This type of polymer are non-conductive in nature. However, they very high heat resistance property. Polymers for electrical products can mold itself in various shapes and sizes and also can reach very minute areas.

Polymers vary from one item to another. Polymers for commercial packaging is different from polymers of electrical products. Thus, polymers need to be chosen properly according to the use and its effectiveness.

4 0

3 years ago