OI 1. Trình bày khái niệm và mục đích của việc nhân giống thuần chủng. Là mục đích của việc lại giống.​

Answers

Answer 1

answer:

what is that mean??


Related Questions

Each X shows the location of an archer's arrow on a bull's-eye target. The archer was aiming for the center circle. X xx X x x Which words best describe the archer's results?​

Answers

Low precision and low accuracy best describe the archer's results. So the correct option is A.

Who is an archer?

Archery is a sport that involves firing arrows with a bow at inanimate objects or animals during a hunt.

With the exception of Australia, the bow has been a primary tool of combat and the hunt from prehistoric times.

Ancient Egyptians and Greeks also engaged in recreational archery in addition to military archery, an example of the latter being the contest in which Odysseus triumphed and gained Penelope's hand.

Large portions of Asia were ruled by horse-mounted archers such as the Huns, Seljuq Turks, Mongols, and others for around 15 centuries beginning in the first century CE.

During the Hundred Years' War (1337–1453), English longbowmen earned magnificent military successes, while the crossbow gained popularity throughout continental Europe, particularly in Switzerland, some regions of Germany, France, and the Low Countries.

Therefore the correct option is A.

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What caused the stickleback population to have less armor and become faster?

Answers

Answer:

the changes were caused by different genes in each species.

Explanation:

they have less armor which now allows them to move faster and that allows them to escape from predators easier

The lymphatic system helps to remove bacteria and other microorganisms from the body. Why would this be important to you?

Answers

Answer:

Protects your body against foreign invaders: The lymphatic system is part of the immune system. It produces and releases lymphocytes (white blood cells) and other immune cells that monitor and then destroy the foreign invaders — such as bacteria, viruses, parasites and fungi — that may enter your body.

a muscle fiber is what level of organization in the body?

Answers

A muscle fiber is a CELLULAR level of organization in the body. A muscle fiber is a single muscle cell.

A muscle fiber consists of myofibrils, which are in turn composed of a series of sarcomeres linked in linear order.

The sarcomere represents the functional unit of muscle fiber cells.

Each bundle of muscle fibers is known as fasciculus.

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Which of the following is NOT one of the 4 macromolecules?

Group of answer choices

Lipids

Acids

Proteins

Carbohydrates

Nucleic Acids

Which does a polymer most closely resemble?


Group of answer choices

link in a chain

chain

Molecules made from units of identical compounds linked together by bonds are called ______________.

Group of answer choices

elements

polymers

atoms

nucleic acids

When a bond is broken in a large biomolecule using water, it is called _____________.

Group of answer choices

Condensation reaction

Hydrolysis

Dehydration synthesis

Hydrolysis is an example of _____________.

Group of answer choices

anabolism

catabolism

Creating larger molecules by building on smaller molecules and releasing a water is called _______________.

Group of answer choices

biochemistry

hydrolysis

dehydration synthesis

Dehydration synthesis is an example of _____________.

Group of answer choices

Catabolism

Anabolism

Answers

Answer:

Acids

Chain that is the answer

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Explanation:

What is the percentage of recorded pulse rate (62-69)

Answers

Answer:

A normal resting heart rate can range anywhere from 40 to 100 beats per minute. Below is a chart relating resting heart rate and fitness level.

Explanation:

Answer:

40 to 100 beats per minute

Explanation:

Health class in college is how I know

a group of similar cells that perform a common function

Answers

Answer:

Tissue

Tissue is the group of similar cells that are common in origin to perform particular function. Tissue system is the group of similar tissues that are common in origin and perform particular function. Organs are made up of tissue system.

Explanation:

What can you infer about the pH of a stomach and an intestine based on the above enzymes? Justify your answer.

Answers

Answer:

Well I cannot see the enzymes that are ''above'', but typically the pH of stomach is more acidic as the enzymes found in the stomach work best in acidic environments while enzymes in the intestines work better at more neutral pH's like 6-7 depending what intensine ur talking about.

Explanation:

how many chromosomes will be found in each cell during prophase?

Answers

Answer:

in a human 46 chromatids form 23 chromosomes

Explanation:

why is the observation that one hormone may bind to more than one type of receptor important?

Answers

This is one reason that the same hormone can trigger different effects in different tissues. For example, epinephrine binds to four different receptors in different tissues-- eliciting a different response from each.

Please hurry this is over due!

If you are correct I will give you all the points I possibly can and brainiest!

Which of these is NOT true about the outer core?

A) It is mostly made up of iron and nickel.

B) It is mostly liquid.

C) It has a higher temperature than the inner core.

D) Atoms within it form a powerful magnetic field.

Answers

Answer:

C. It has a higher temperature than the inner core

Explanation:

The inner core is higher in temperature then the outer core.

if the two alleles for a particular gene are identical the gene pair is:

Answers

Answer: h o m o z y g o u s

Explanation: I did the test

Can someone please help me

Answers

Answer:

Answer is Q.No 1

(substitution)

the packaging and distribution center of the cell is the

Answers

Answer:

golgi apparatus

Explanation:

how are relative time and absolute time applied to studying the geologic time scale?

Answers

Answer:

Relative time is the physical subdivision of the rocks found in the Earth's geology and the time and order of events they represent. Absolute time is the measurement taken from the same rocks to determine the amount of time that has expired.


Kids' behaviors are influenced by which of the following: (Check all that apply)
hormones
social influences
genes
parental influence

Answers

Answer:

parental influence

Ok Its coorrect hope

All of the options  hormones, social influences, genes and parental influence can influence a child's behavior.

What influences child's behavior?

Hormones can play a role in mood and emotional regulation, which can affect behavior. Social influences, such as the behavior of peers and cultural expectations, can also influence a child's behavior. Genes can also play a role in determining certain characteristics and behaviors.

Finally, parental influence, including the way that parents model behavior and teach and discipline their children, can also affect a child's behavior.

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PLEASE HELPPPPP I REALLY NEED ITT

Answers

Answer:

I think no.3

Explanation:

please correct me if I'm wrong thanks

18. What are the five muscles that form a box to control the wrist?

Answers

en las imagenes te digo

Hi guys can you please help me with number 3 a and b please..ASAP
PLEASE BE RELEVANT AND REAL ANSWERSSS ..I REALLY NEED THIS TO GRAD

Answers

Answer:

Okay so for A the thing that is wrong with this experiment is that Cindy has done quite a few things incorrectly. Firstly what her experiment was about. Being healthy is a good thing but then turning around and doing the exact opposite for a week can damage your body. Secondly, Running 4 miles after school is good but then for the next week she sits and watches tv for 3 hours. It doesn't make sense on how she measured her experiment. Cindy should have recorded the times when she ran four miles and then used the same time to watch Tv for the next week.

We can fix this experiment by maybe taking out the hot Cheetos from it as that's just not healthy. Secondly we can have Cindy record how many minutes/hours she ran in the 4 miles and use those same times to watch Tv so that it's even.

Explanation:

For part B firstly it's just not possible to predict the weather with your feet. Secondly your grandpa could easily lie and tell you their hurting or they could just always be sore. Lastly, His feet could be not sore and it still rains.

We can fix this experiment by may be doing something more realistic. But to stay on this instead of calling him you should maybe stay over so that in the morning you can tell whether or not his feet are sore then record for the rest of the day to see if it rains or not. If their not sore and it rains then we know he can't predict weather with his feet the same goes for if they were sore and didn't rain.

Explain how potential energy is affected by:
A) Mass:


B) Height:

Answers

Answer:

A. Mass

Explanation:

The amount of gravitational potential energy an object has depends on its height and mass. The heavier the object and the higher it is above the ground, the more gravitational potential energy it holds. Gravitational potential energy increases as weight and height increases.

Answer:

A) Mass :

• Potential energy is directly proportional to mass, if mass increases, also potential energy increases and the reverse is true.

B) Height :

• Potential energy is directly proportional to height, if height increases, also potential energy increases and the reverse is true.

Explanation:

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1. Why can't sound waves travel through space?

Answers

Answer:

Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate

Explanation:

Hope it helps

Name a biotic factor in the room you are in right now.Name a biotic factor in the room you are in right now.

Answers

Answer:

Home plant. dogs. roses. wooden chair

Explanation:

biotic is anything that's living including plants and wood(trees)

Answer:

answer above is correct ! got it right

Explanation:

Which is an example of a monosaccharide?

Cellulose,starch, sucrose, glucose

Answers

Answer:

Glucose, fructose, sucrose, galactose, etc.

Explanation:

Glucose, fructose, sucrose, galactose etc., are the monosaccharides.

Answer:

Glucose

Explanation:

Glucose is a monosaccharide because monosaccharides are simple sugars that are the building blocks for the more complex forms of sugars, or carbohydrates. Glucose is a monosaccharide, meaning one sugar.

Tip: If it ends in -ose, it's typically the name of a sugar.

Which statement is false?

One chromosome can contain thousands of genes.

Chromosomes are located in the nucleus of eukaryotic cells.

Chromosomes contain the genetic code of an organism.

Chromosomes contain RNA only

Answers

Answer:

chromosomes contain RNA only, they contain DNA as well, please make me brainliest

Answer:

i got you cuz :)

hive him brainslist

Explanation:

The name of the bird that kills snake​

Answers

Answer:

secretary bird

Explanation:

Is it possible to run a farm and grow crops using fertilizers without negatively impacting the local watershed?

helpppppppp pleaaasse

Answers

After an excessive amount of time no, you will end up producing eutrophication, the substances in it boost the the growth of algae in water and decreasing the level of oxygen for aquatic life.

_____ can cause a cell to shrink due to a lack of water being able to enter the cell.

Answers

Answer:

Hypertonic Solution

Explanation:

Solution outside the cell is in has much higher concentration of ions than inside the cell. Due to osmosis, water leaves the cell.

penicillin is harmful for other fungies and fungal diseases?​

Answers

Answer:

The antibacterial effect of penicillin was discovered by Alexander Fleming in 1929. He noted that a fungal colony had grown as a contaminant on an agar plate streaked with the bacterium Staphylococcus aureus, and that the bacterial colonies around the fungus were transparent, because their cells were lysing.

Explanation:

What physical quantity does the symbol V represent?

Answers

Answer:

voltage

Explanation:

put this in your OWN words The pattern can shift back and forth irregularly every two to seven years and cause disruptions of temperature, precipitation, and winds.

Answers

Answer:

distruptions of temperature, precipitation and winds are caused by patterns that shift back and forth irreguraly every 2 - 7 years

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