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3 years ago

How are some mutations similar? Provide examples.

Chemistry

2 answers:

cestrela7 [59]3 years ago

5 0

Answer:

What is mutation and examples?

Resulta ng larawan para sa How are some mutations similar? Provide examples.

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.

Explanation:

Hatshy [7]3 years ago

3 0

Answer:

Mutations can be caused by high-energy sources such as radiation or by chemicals in the environment. They can also appear spontaneously during the replication of DNA. Mutations generally fall into two types: point mutations and chromosomal aberrations. In point mutations, one base pair is changed. A single mutation can have a large effect, but in many cases, evolutionary change is based on the accumulation of many mutations with small effects. Mutational effects can be beneficial, harmful, or neutral, depending on their context or location. Most non-neutral mutations are deleterious.

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What is the number of protons and electrons in a neutral atom of Lithium?

nadya68 [22]

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3 years ago

A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas reaction vessel. The vessel is

TiliK225 [7]

Answer:

Maximum safe operating temperature = 450 °C

Explanation:

First, the volume of the cylindrical vessel is determined using the formula:

v = πr²h

Radius, r, of stainless steel vessel = width or diameter / 2

r = 39.0 cm / 2 = 19.5 cm

height of vessel = 46.8 cm

volume of cylinder = 22/7 × 19.5² × 46.8 = 55929.343 cm³ = 0.05593 m³

Using the ideal gas equation to calculate the maximum safe temperature

PV = nRT

pressure, P = 5.30 MPa = 5.30 × 10⁶ Pa

R = 8.314 J/mol.K

n = mass of gas/ molar mass of gas

molar mass of SF₆ = 146 g/mol

mass of Sf₆ = 7.20 kg = 7200 g

n = 7200/146 = 49.315 moles

T = PV/nR

T = (5.30 × 10⁶ × 0.05593) / (49.315 × 8.314)

T = 722.98 K

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Therefore, maximum safe operating temperature = 450 °C

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3 years ago

In photosynthesis, the reactants are more stable than the products. However, both the products and reactants are stable. Therefo

My name is Ann [436]

Answer:

A.) Absorb and store

Explanation:

The reaction for photosynthesis is:

$6CO_{2}+ 12H_{2} O$ → $C_{6} H_{12} O_{6} +6H_{2} O$ (reaction conditions: light and chlorophyll)

carbon dioxide + water → glucose + water

This means light energy is absorbed and stored as sugar molecules and energy for the plant

Therefore, the photosynthesis reaction will  absorb  energy and  store  it in the chemical bonds.

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4 years ago

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