Answer:
Asexual reproduction does not involve sex cells or fertilisation . Only one parent is required, unlike sexual reproduction which needs two parents. Since there is only one parent, there is no fusion of gametes and no mixing of genetic information.
The main difference between sexual and asexual reproduction is that sexual reproduction involves the fusion of gametes, while asexual reproduction does not.
In sexual reproduction, offspring are produced through the fusion of gametes (reproductive cells) from two parent organisms. This fusion, known as fertilization, results in offspring that inherit genetic material from both parents. This genetic recombination introduces variation in the offspring, promoting genetic diversity within a population.
In contrast, asexual reproduction involves the production of offspring without the involvement of gametes or the fusion of genetic material from two parents. A single parent organism reproduces by generating genetically identical or near-identical offspring through various methods such as budding, fragmentation, or binary fission. Asexual reproduction typically leads to offspring that are genetically identical to the parent, lacking the genetic diversity observed in sexual reproduction.
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The relative atomic mass of chlorine is 35.5.
When calculating relative atomic mass, which particle is the mass of a chlorine atom compared
to?
Given what we know, we can confirm that relative atomic mass is calculated by comparing the particles to the atomic mass of a carbon-12 atom.
Why compare to carbon-12?Carbon is a very common element. It was been studied greatly, telling us a great deal about the atom. It contains 6 protons and 6 neutrons.This makes it very stable and the standard for comparison.Therefore, given its abundant nature and the fact that it has been extensively studied, we can confirm that a carbon 12 atom has exactly 6 protons and 6 neutrons, making it very stable and the standard to which other atoms are compared.
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Which of the following moves away from the central nervous system?
Afferent Neuron
Efferent Neuron
Proxima Neuron
Distal Neuron
Answer:
distal
Explanation:
you c a n remember that by the word distance
What are chemicals that speed up the rate of chemical change?
Catalysts speed up chemical reactions / changes.
Hope this helps!
I WILL MARK BRAINLY-EST Do you think the way we perceive food in our culture supports the guidelines in MyPlate? Explain your
answer
A species acts as a(n) _____ agent if it gains electrons in a half-reaction. Conversely, it could potentially act as a(n) _____ agent if it loses electrons in a half-reaction.
A species acts as an oxidizing agent if it gains electrons in a half-reaction. Conversely, it could potentially act as a reducing agent if it loses electrons in a half-reaction.
REDOX REACTION:
Redox (oxidation-reduction) reaction is a type of reaction that involves the loss and gain of electrons by substances involved. Redox reaction involves a reducing agent and an oxidizing agent. Oxidizing agent gains electrons in a redox reaction while reducing agent loses electrons. Oxidizing agent gets reduced in the process while reducing agent gets oxidized.Learn more about redox reaction at: https://brainly.com/question/13293425?referrer=searchResults
If a 22.4 L volume of a sample of gas has a density of 0.900 grams/L at 1.00 atm and 0.00°C. Given
the following gases, which could it be?
A. Ne
B. CO
C. CO2
D. Kr
Answer:
Formula Weight of gas sample = 20.1 g/mole => Neon (Ne)
Explanation:
Use Ideal Gas Law formula to determine formula weight and compare to formula weights of answer choices.
PV = nRT = (mass/fwt)RT => fwt = (mass/Volume)RT = Density x R x T
Density = 0.900 grams/L
R = 0.08206 L·atm/mole·K
T = 0.00°C = 273Kfwt = (0.900g/L)(0.08206L·atm/mole·K )(273K)
= 20.1 g/mol => Neon (Ne)
Which of the following forms of alcohol can be consumed? A. Propanol B. Methanol C. Butanol D. Ethanol Please select the best answer from the choices provided. A B C D.
Answer:
D. Ethanol
Explanation:
because Propanol, Methanol and Butanol are not safe to consume. soo the answer is Ethanol
Ethanol forms of alcohol can be consumed.
What is ethanol?Ethanol is used in the manufacture of medication, plastics, lacquers, polishes, plasticizers, and cosmetics. Ethanol is used in medicinal drugs as a topical antiinfective, and as an antidote for ethylene glycol or methanol overdose.Industrial merchandise containing ethanol include beverages, perfumes, aftershaves and colognes, medicinal liquids, mouthwashes, liniments, and a few rubbing alcohols.within the worst cases, there will also be breathing issues, low blood strain, incontinence heart issues, blood issues, liver damage, and demise. Ethanol may also dry out and irritate the pores and skin; there may be aches, redness, and swelling. Eye exposure to ethanol can also cause tearing, burning, and stinging.Learn more about ethanol here:-https://brainly.com/question/5750283
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Beryllium (Be) has four electrons. Fluorine (F) has nine electrons. Which chemical formula shows the correct subscripts for the product of the reaction when beryllium and fluorine combine
Answer:
BeF2
Explanation:
The correct chemical formula for the product of the reaction when beryllium and fluorine combine is BF₂.
The valence electron of an atom determines how an atom goes into bonding.
Beryllium(Be) has 4 electron and has 2 valence electron. To fulfil the octet rule, it can easily give out this 2 electron during bonding.
Fluorine(F) has 9 electrons and 7 valency electrons. To fulfil the octet rule, it readily accepts a single electron.
The correct chemical formula for the product of the reaction when beryllium and fluorine combine is BF₂.
This means 1 atom of beryllium combines with 2 atoms of fluorine to form beryllium fluoride. The beryllium give its 2 valency electrons to the 2 atoms of fluorine. The 2 atoms of fluorine will now have a valency electron of 8 each. The octet rule has been fulfilled at this point.
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When a glucose molecule loses a hydrogen atom in an oxidation-reduction reaction, the glucose molecule is ________
Answer:
Important
Explanation:
A spoon. A beaker partially filled with liquid. A stirring rod. A graduated cylinder. Distilled water in a spray bottle. Which of the following tools could have become cross-contaminated during the experiment if you had not cleaned them carefully between successive tests? Spoon Beaker Stirring Rod Graduated Cylinder Distilled water in spray bottle.
Answer:
A,B,C,D
Explanation:
Answer:
A,B,C,D
Explanation:
Proof
The element X has three naturally occurring isotopes. The masses (amu) and % abundance of the isotopes are given in the table below. The average atomic mass is ______amu. Give your answer two decimal places.
Answer:
In order to solve for this you would need to plug it into an equation. You would add them all up to eachother after multiplying them by their percentages.
So it would be (0.75*48.90)+(0.18*49.10)+(0.07*50.20). Plug it all into a calculator and you get 49.027amu. Then you would round to significant figures so 49.03amu should be your answer.
An unknown substance dissolves in water but separates and floats in oil.
Answer:
Any polar substance
Explanation:
We know that non polar substances wont dissolve in water because they do not react properly with water molecules, any polar substance would dissolve in water and float in oil.
An unknown substance dissolves in water but separates and floats in oil is any polar substance.
What are polar substances?Polar substance are defined as those whose bonding with atoms like nitrogen, oxygen, or sulfur has resulted in discrete positive and negative charge areas.
It can also be defined as an electrical pole is typically created when a molecule has more positive charges on one end than negative charges on the other, forming an electrical pole.
Non polar substances are defined as a molecule that lacks charges at the ends because its electrons are evenly distributed and those that cancel one another out symmetrically.
It is can also be defined as in covalent compounds, there is no change in electronegativity.
Thus, an unknown substance dissolves in water but separates and floats in oil is any polar substance.
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How many grams of sodium hydroxide are present in 250.0 mL of a 0.300 M NaOH solution?
When glucose is broken down in an atmosphere where oxygen supply is limited, a 3-carbon compound known as ________ accumulates in the muscle.
Answer: Lactate!
Explanation:Hope this helps!!!
how many moles are in 2.5g of n2
Answer:
0.089
Explanation:
n= m/M = 2.5/14 = 5/28 mol
ok done. thank to me :>
20. At STP, an element that is a solid and a
good conductor of heat and electricity
could have an electron configuration of
(1) 2-7
(2) 2-8-8
(3) 2-8-5
(4) 2-8-18-2
20
Answer:
4
Explanation:
Zinc
According to Dalton, atoms of different elements will be____________.
Answer:
The atoms of different elements vary in size and mass.
Explanation:
chemistry A Gases unit test
Answer:
gas is composed to particles and has a mass.
What is responsible for the unusual chemical properties of water?
Answer:
hydrogen bonds
Explanation:
pls choose it as brianliest
The unusual chemical properties of water is due to its polar covalent bond.
What is polar covalent bond ?When atoms with differing electronegativities are shared between two atoms in such a covalent link, the result would be a polar covalent bond.
What is water ?Water is a kind of mixture of hydrogen and oxygen . Its chemical formula will be [tex]H_{2}O[/tex].
Along with its polar covalent connections, water displays a variety of interesting features. Because oxygen has a higher electronegativity than hydrogen, electron pairs were drawn closer to the oxygen atom, causing it to be partially negatively charged. As a result, both hydrogen atoms acquire a slightly positive charge.
Therefore, polar covalent bond will be responsible for unusual chemical properties of water.
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Which processes could the heating curve be describing? Check all that apply.
boiling
condensation
endothermic reaction
exothermic reaction
freezing
Answer: condensation, exothermic reaction, freezing
Explanation: Edge
The heating curve could describe processes such as boiling, condensation and freezing.
What is a heating curve?A heating curve is a plot or graph wherein a substance is subjected to increasing temperature against time to measure the amount of energy it absorbs and changes state with increasing temperature.
Which processes could the heating curve be describing?
boiling. Yes, since matter goes from liquid to gas.condensation. Yes, since matter goes from gas to liquid.endothermic reaction. No, since phase changes are physical changes.exothermic reaction. No, since phase changes are physical changes.freezing. Yes, since matter goes from liquid to solid.The heating curve could describe processes such as boiling, condensation and freezing.
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which example is an electron carrier in its reduced form?
Bad , fad is the answer check
What are the features that allow you to identify an ionic compound based on its chemical formula
Answer:
first identify the cation and write down its symbol and charge. Then, identify the anion and write down its symbol and charge.
Explanation:
what is the ground-state electron configuration of a neutral atom of iron?
Elements in the same period in the same periodic table have the same ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Elements in the same period have the same number of electron shells; moving across a period (so progressing from group to group), elements gain electrons and protons and become less metallic. This arrangement reflects the periodic recurrence of similar properties as the atomic number increases.
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How does One determine number of electron domains in molecul or ion
Answer:
The number of electron domains in a molecule or ion is the number of bonds (double and triple bonds count as one domain) plus the number of nonbonding (lone) electron pairs.
Explanation:
What is the best cream to get rid of self harm scars?
not cream, but it I know that coconut oil and honey heals scars in general! I fell once and it was a terrible scar and i places coconut oil at night and the day a little honey and within a few days the scar was unnoticeable. it's sure it will help the same. Remember you are loved and you have so much worth. I am so proud of how far you have come I'm life. <33
describe the motion and arrangement of particles in a solid, a liquid, and a gas.
Answer:
gas vibrate and move freely at high speeds. liquid vibrate, move about, and slide past each other. solid vibrate (jiggle) but generally do not move from place to place.
Hopefully this helped!
calculate the number of moles of ethanol acid in 30 cm³of 1 mol dm-³ solution
Answer:
May I assume "ethanol acid is just ethanol (it has one slightly acidic H atom). If so, the molar mass is 46.02 g/mole.
Explanation:
We have 30 cm^3 [30 ml] of 1.0 M (1 mole/liter) [1 dm³ = 1 liter].
That is 1 mole/liter. 30 ml would contain (0.030 liter)*(1 mole/1 liter) = 0.03 moles.
Which of the following statements about absolute zero is correct?
it is a 0 degrees on the Kelvin scale
it is also the lowest on the thermometer
also the particles stop moving and all disorder disappears.
a substance that cannot be separated into simpler substances
Answer:
element
Explanation:
hope this helps
Explanation:
Elements are pure substances that cannot be broken down into simpler substances by ordinary chemical means.