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antoniya [11.8K]
3 years ago
10

Which statements describe the advantages of sexual reproduction? Check all that apply. results in no differences in DNA takes lo

nger than asexual reproduction requires more energy than asexual reproduction takes less time than asexual reproduction results in DNA variations in the offspring can result in less competition for resources
Chemistry
2 answers:
sertanlavr [38]3 years ago
4 0

Answer:

results in DNA variations in the offspring

Explanation:

Reproduction in living organisms can either occur sexually or asexually. Sexual reproduction requires two organisms of the same species to come together while asexual reproduction occurs with only an individual organism.

Based on the options provided in this question, sexual reproduction is of advantage over the asexual reproduction being that it produces offsprings with genetic variations. This is possible because during sexual reproduction, male and female organisms of the same species produce male and female gametes via meiosis respectively.

During meiosis, a unique phenomenon called CROSSING-OVER occurs in which the DNA in the gamete of each contributing parent is recombined. Hence, when the two gametes unite, the offsprings inherit a different combinations of genes (DNA) as the parents. This only occurs in sexual reproduction.

Genetic variation in offsprings of sexual reproduction is an advantage over the identical offsprings of asexual reproduction.

VLD [36.1K]3 years ago
4 0

Answer:

e and f

Explanation:

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Use the table to compare the solubility of substances. Check all of the boxes that apply.
vladimir2022 [97]
<h2>Answers to the rest of the assignment:</h2>

**Check for proof photos at the bottom.**

<h2>_____________________________________</h2>

Use the table to compare the solubilities of substances. Check all of the boxes that apply.

A. Aspirin is less soluble than table salt, but more soluble than carbon dioxide.

C. A saturated solution of table sugar is more concentrated than a saturated solution of table salt.

<h2>_____________________________________</h2>

The solubility of glucose at 30°C is  125 g/100 g water. Classify a solution made by adding 550 g of glucose to 400 mL of water at 30°C. Explain your classification, and describe how you could increase the amount of glucose in the solution without adding more glucose.

Answer: The solution is saturated. At 30°C, 500 g of glucose will dissolve in 400 mL of solution. Of the 550 g glucose added, only 500 g will dissolve and 50 g will precipitate out. The amount of glucose in the solution can be increased by heating the solution because the solubility of solids tends to increase with temperature.

<h2>_____________________________________</h2>

Use the graph to identify the number, letter, or word that completes each statement.  

•      The solubility of Solute D  <u>decreases</u>  as temperature increases.

•      The solubility of Solute <u>E</u>  increases the most as temperature increases.

•      The solubility of Solutes C and D is the same at  <u>20</u>°C.

•      As the temperature increases from 0 to 100, the solubility only changes by about  <u>5</u> grams for Solute B.

<h2>_____________________________________</h2><h2>Explanation:</h2>

In the provided table shows the solubility of 4 different substances. The solubility number for Aspirin is smaller than the number for table salt, but larger than the number for carbon dioxide. Since the solubility if sugar is larger than table salt, its saturated concentration would be higher.

In the given chart, the line representing solubility of solute D decreases as temperature increases. The line for solute E increases the most. At 20°C, the lines of C and D are about the same height.

Here are photos of Edge just incase.

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3 years ago
Please help!!! I appreciate it
mojhsa [17]
Copper (II): 2+
Lithium: 1+
Fluoride : 1-
Iodine: 1-
Iron (III): 3+
Calcium: 2+
Oxide: 2-
Nitride: 3-
7 0
3 years ago
From where do the placenta and umbilical cord develop?
Anastasy [175]
It’s either the first or second one

I think it’s the first one - the outer cells of the blastocyst
8 0
3 years ago
Read 2 more answers
250 kJ of energy are removed from a 4.00 x 102 g sample of water at 60˚C. Will the sample of water completely freeze?
Stolb23 [73]

250 kJ of energy are removed from a 4.00 x 102 g sample of water at 60˚C. Will the sample of water completely freeze: Yes, because there is enough energy.

<h3>At what temperature would a sample of water freeze?</h3>
  • Note from the Facilitator: At certain temperatures, water changes its condition due to temperature variations. At sea level, fresh water changes from a solid to a liquid at 32°F (0°C). Liquid water freezes at temperatures below 32°F (0°C); this temperature is known as the freezing point of water.
  • The fact that a single water molecule cannot transform into a solid, liquid, or gas is the answer. These names refer to collective behaviors of water molecules rather than to individual molecules.
  • For instance, the solid (ice) has a collection of molecules that are bound together and arranged in a predictable manner. That cannot be accomplished by a single molecule alone

250 kJ of energy are removed from a 4.00 x 102 g sample of water at 60˚C. Will the sample of water completely freeze: Yes, because there is enough energy.

To learn more about water freezing, refer to:

brainly.com/question/15209660

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2 years ago
If an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom what wavelength of light is emitted?
telo118 [61]

The wavelength is obtained as 122 nm. Option A

<h3>What is the wavelength?</h3>

We know that from the Bohr model of the atom, an electron can move from a higher energy level to a lower energy level or from a lower energy level to a higher energy level. This is the idea of energy quantization as put forward by Neill Bohr.

The wavelength can be obtained by the use of the formula;

1/λ = RH(1/n^2initial - 1/n^2 final)

λ = wavelength of the emitted light

RH = Rydberg's constant

n intial = initial energy level

nfinal = final energy level

Thus;

1/λ = 1.09 * 10^7(1/1^2 - 1/2^2)

1/λ = 1.09 * 10^7( 1 - 0.25)

λ = 122 nm

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