Why did Gregor Mendel choose to use purebred plants in his experiments?
O They reproduce sexually.
O They exhibit only one form of a trait
O They have a variety of traits.
O They reproduce asexually,

Answers

Answer 1

Answer:

B: The exhibit only one form of a trait

Explanation:

Got it right on the Quiz.

Answer 2
They exhibit only one form of a trait

Related Questions

How is sucrose moved in sink?

Answers

The sucrose moved in sink by active transport.

What is active transport?

Active transport is a type of transport in which the cell expends energy to move solutes against their concentration gradients. The sodium-potassium pump is an example of active transport. Active transport differs from passive transport in that the cell does not expend energy.

In this case, the sucrose moves from companion cells in sink elements by active transport. This reduces the water potential of the sink element  by osmosis, which increases the hydrostatic pressure.

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Stones caused by the precipitation of minerals, such as calcium, and other substances from the urine or kidney filtrate are ________________.

Answers

Kidney stones are stones caused by the precipitation of minerals, such as calcium, and other substances from the urine or kidney filtrate.

What are Kidney stones?

These are hard deposits of minerals such as calcium etc which stick together in the urine of affected individuals.

This thereby causes pain when urine is being expelled from the body as a result of the large size.

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he Red Sea is a body of water formed where the African and Arabian plates are separating from one another. This sea is an example of a landform created by __________ movement.
A.
lateral plate
B.
convergent plate
C.
divergent plate
D.
transform boundary

Answers

The Red sea is an example of a landform created by a divergent plate. Thus, the correct option is C.

What are Divergent plates?

Divergent plates may be defined as a location where two tectonic plates are locomoting away from each other, vacating a void between them that can be sufficed with magma.

Divergent plate movements are mainly responsible for separating the bodies of African and Arabian water from one another.

Therefore, it is well described above.

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Which of the following is NOT true of viruses?

A. Some viruses have a membrane envelope.
B. Viruses need a living cell to reproduce.
C. Some viruses live through the lytic cycle.
D. Some viruses contain both DNA and RNA.

Answers

Some viruses contain both DNA and RNA as their genetic material is NOT true of viruses (option D).

What is a virus?

A virus is a non-living entity that needs a suitable host to reproduce its genetic material (DNA or RNA).

Viruses may contain a genetic material composed of other DNA or RNA but not both.

In conclusion, some viruses contain both DNA and RNA as their genetic material is NOT true of viruses (option D).

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what are haploid and diploid cells?​

Answers

Answer:

Explanation:

Haploid Cells

Haploid cells contain only one set of chromosomes. Gametes or sex cells are the most common type of haploid cells. They are produced by meiosis and are genetically diverse. When the haploid cells from male and female fuse together during fertilization, it forms a diploid cell.

Diploid Cells

These cells have two sets of chromosomes. It is formed by the fusion of two haploid cells. Most mammals are diploid, i.e., they have two homologous copies of each chromosome in the cells. They are produced by mitosis. The somatic cells in humans are diploid cells.

Backward (opposite of its normal direction) flow of a body fluid is _______.

Answers

The backward (opposite of its normal direction) flow of a body fluid is called reflux.

What is reflux?

Reflux refers to the opposite movement of a body fluid during physiological functions.

For example, acid reflux refers to the burning sensation due to the movement of stomach acid to the throat.

In conclusion, the backward (opposite of its normal direction) flow of a body fluid is called reflux.

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what started human life on Earth?

Answers

Answer:

Explanation:The origin of human beings from far more primitive ape-like precursors is one — just one — of the definitions of “evolution” that the public and the media carry around in their heads. Not surprisingly, the iconic transition from ape to man is the first, second, and third image.


17. When transcription occurs in eukaryotic cells, a DNA strand is copied to an mRNA strand that contains introns and exons. Which of the two is needed for the
production of proteins, and why?
Exons because they are coding sequences.
Introns because they are non-coding sequences.
Introns because they are coding sequences.
Exons because they are non-coding sequences

Answers

Answer:

Exons because they are coding sequences

Explanation:

The sections of DNA (or RNA) that code for proteins are called exons.

Please select the word from the list that best fits the definition "falling rain or snow" A. evaporation B. condensation C. precipitation D. water cycle​

Answers

C. Precipitation fits the definition for “falling rain or snow”
I agree! The answer is precipitation

Which macromolecules make up most of the structure that is shown?
A) carbohydrates
B) lipids
C) nucleic acids
D) proteins

Answers

Answer:

I believe its either lipids or proteins.

Explanation:

Sorry if I'm wrong!

Lipids makes up the structure that is shown

Two different bacterial samples, a and b, were inoculated onto simmons citrate agar. What conclusions can you make?

Answers

Bacteria sample A utilizes citrate while sample B does not.

What is the result of a simmons citrate agar?

Simmons citrate agar is a nutrient agar which contains the compound sodium citrate as a carbon source for microorganisms.

It is used to differentiate bacteria based on their use of citrate as a sole source of carbon.

A positive result for for citrate utilization will change the agar from green to blue while a negative result will remain green.

Therefore, since bacterial sample A produced a blue color while sample B agar remained green, A utilizes citrate while B does not.

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________ can reduce dopamanergic activity and manic episodes.

Answers

Exercise can reduce dopamanergic activity and manic episodes.

what is it like to be a bipolar person?

Bipolar Disorder, intended for Manic-Depressive Illness, is an illness that can alter mood with repeated bouts of opinion and "mania". Either of the two types of crisis can predominate in the same person and its frequency is quite variable.

In this case, to help prevent a manic episode is necessary to avoid triggers such as caffeine, alcohol or drug use, and stress, most importante is exercise.

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Why does diversity increase as height above land increases​

Answers

Biodiversity rises with altitude initially before falling with height beyond that. Up until it reaches a diversity peak at about 1 300 to 1 800 m.

The biodiversity increases at higher geographical locations because There are more hiding locations. They are better for crop growth. They frequently include more than one kind of habitat.As latitude or altitude change, so does biodiversity. As we descend from high to low elevations, the diversity increases (i.e., from poles to equator). While the environment is harsh and plants have a brief growing season in the temperate region, tropical rain forests provide year-round growth-friendly circumstances. This enables the emergence and expansion of several species. On a mountain, there is an initial increase in species diversity after which there is a decline in species variety as you go up in elevation. At higher elevations, temperature drops and seasonal variations increase, which significantly diminishes.

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While operating a vehicle on any highway of this state, it it illegal to physically hold or support a wireless device with any part of the body

Answers

True. While operating a vehicle on any highway of this state, it it illegal to physically hold or support a wireless device with any part of the body

What is driving rules?

These are the basic guides used by US government to control accident or reckless driving on the roads.

Some of the basic driving rules include the following;

Vehicles drive on the right hand side of the road. Pass others on the left hand side of the road. All occupants in a vehicle must wear a seat belt. Right turn is permitted at red traffic lights, but only after stopping, unless signed otherwise.Don't support a wireless device with any part of the body

Thus, the statement is true.

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Which of the connective tissue coverings around nervous tissue is rich in collagen fibers?.

Answers

Answer:

epineurium

Explanation:

epineurium

1. The graph to the right shows the interaction of the wolf and moose populations on Isle
Pelkie. If the moose population continues to increase, the wolves' food supply will increase
What will most likely happen to the wolf population as a result?
(DOK-3) (0.5 M)
a.
b.
C.
d.
Population (in hundreds)
60
89 88 9
50
40-
30
20
10
Moose
Wolves
1960 1965 1970 1975 1980 1985 1990 1995
Year
Wolf population will decrease.
Wolf population will increase.
Wolf population will remain the same.
Moose population increases.

Answers

The graph is indicating the wolf population has reached the phase where the number of population will remain same. The correct option is C.

What is population?

A population is the number of people who live in the same location.

The graph is indicating the wolf population has reached the phase where the number of population will remain same.

Thus, the correct option is C.

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what do sensory neurons do with the information from the receptors ?

Answers

According to the research, sensory neurons transmit the information from the receptors to the spinal cord.

What are sensory neurons?

They are those neurons located in sensory organs or in areas of the nervous system related to the integration of sensations.

These transmit the information from receptors in the body's tissues and sensory organs to the spinal cord.

Therefore, we can conclude that according to the research, sensory neurons transmit the information from the receptors to the spinal cord.

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What makes a vertebrate chordate different from an invertebrate chordate?

Answers

Vertebrate chordates differ from invertebrate chordates by the presence of the vertebral column.

Vertebrate vs invertebrate chordates

Chordates are of two groups - vertebrates and invertebrates.

The vertebrate chordates have vertebral columns which developed from the notochord.

The invertebrate chordates, even though possess notochords at some points in their life, do not have vertebral columns.

Vertebrate chordates include fishes, birds, reptiles, and mammals. Invertebrate chordates include the tunicates and the lancelets.

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According to the results for Patient 3 shown above, which antigens were present in Patient 3’s blood? Check all (if any) that apply. A antigen B antigen Rh antigen

Answers

Patient 3 blood contains A antigen and Rh antigen.

What antibody-antigen reactions?

Antibody-antigen reactions are reactions which occur when matching antigens and antibodies are mixed together.

In blood, antigen-antibody reactions result In agglutination of blood.

In the image shown, when Patient 3 blood is mixed with anti-A and anti-Rh aggluitination occurs, but no agglutination occurs with anti-B.

Therefore, Patient 3 blood contains A antigen and Rh antigen.

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Answer: B Antigen

Explanation: Other answer is wrong lol

A botanist scrapes pollen off of one plant and then use it to pollinate the flower of another plant . What can scientifically conclude about other offspring

Answers

A botanist scrapes pollen off a flower of one plant and then uses it to pollinate the flower of another plant. What can be scientifically concluded about their offspring?

A. They will have a large amount of genetic variation.

B. They will have twice the number of chromosomes as their parents.

C. They will be genetically distinct from their parents.

D. They will be able to reproduce only asexually.

Plants' xenogamous system has high probabilities of introducing genetic variation between plants. Option A) They will have a large amount of genetic variation.

What are the crossing systems in plants?

There are two general crossing systems in plants, which depend on pollination type.

Self-pollination occurs when the flower pollen is transferred to the same flower stigma, reaching that individual egg to fertilize it. These are autogamous systems.

Crossed pollination occurs when the mature pollen is driven by different pollinator agents from one flower to another, reaching the other flower stigma and fertilizing its eggs. These are xenogamous systems.

Sexual reproduction gives more possibilities to different alleles of a gene that did not appear in one generation to express in the next generation.

Both types of pollination allow genetic variation, however by the occurrence of crossed pollination there are more chances to ensure the variability of the species and survival to environmental changes.

While by self-pollination there are more chances to express the same genotype of the parental plant.

The Xenogamous system has the advantage of avoiding the effects of endogamy in a population by increasing genetic variability.

In the exposed example, the botanist is acting as the pollinator agent, allowing one plant's pollen grain to fertilize the egg of the other plant.

The merging of these gametes will introduce variation since there will new allelic combinations.  

The correct option is A). They will have a large amount of genetic variation.

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What are the reactants for Anaerobic Respiration?

Answers

The primary reactant of aerobic respiration is glucose.

Anaerobic respiration

This refers to respiration in the absence of oxygen.

Without oxygen, glycolysis of the glucose molecule will take place just like in aerobic respiration.

However, instead of the pyruvate molecules moving into the Kreb's cycle, they are instead, converted to one of lactic acid or ethanol.

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Which of the following is the best example of non–point source pollution?
A.
oil spill from a ship
B.
sewage water outlet
C.
runoff from a town
D.
wastewater from a factory

Answers

Answer:

C

Explanation:

wastewater from a factory is my guess

Homeostasis refers to:

Answers

Answer:

A stable condition

Explanation:

Dictionary Definition- a tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes

Answer:

A Stable Condition

What is Homeostasis?

The tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function.

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How does water enable substances to pass through a cell membrane? How does water enable substances to pass through a cell membrane ?​

Answers

Answer/Explanation:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

Source:

https://www2.estrellamountain.edu/faculty/farabee/biobk/biobooktransp.html#:~:text=Water%2C%20carbon%20dioxide%2C%20and%20oxygen,to%20cross%20the%20cell%20membrane.

Hope this helps!

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis.

What is Cell membrane?

Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment.

A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane. The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions.

Therefore, Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis.

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State one function of the pancreas (Please do not copy and paste and keep the answer simple)

Answers

The pancreas’s main function is to produce substances that help digest food.
One function of the pancreas is to make enzymes.

What is the function of lysosomes?​

Answers

Answer:

To break down bacteria

Explanation:

Answer:

it contains lytic enzymes that destroy aged and unwanted cell organelles. it sometimes destroys the entire cell.the key point is it destroys aged and unwanted cell organelles.

What are the types of energy emitted by the sun

Answers

Answer:

solar radiation

Explanation:

Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays.

Solar energy light energy and heat energy

A red pen is displayed in Roger's peripheral vision while he stares straight ahead. He correctly identifies the object but is unable to name the color. The reason for this is that: there are many rods but very few cones in the periphery of the cornea. there are many cones but very few rods in the periphery of the fovea. there are many rods but very few cones in the periphery of the retina. there are many cones but very few rods in the periphery of the retina.

Answers

The inference is that the reason was because C. There are many rods but very few cones in the periphery of the retina.

What is an inference?

An inference simply means the conclusion that can be deduced from the information given.

In this case, he correctly identifies the object but is unable to name the color because there are many rods but very few cones in the periphery of the retina.

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How are fossil fuels, such as coal, formed?
Fossil fuels, such as coal, are formed through deposition of
rocks.

A: metamorphic

B: igneous

C: sedimentary

D: clastic

Answers

Coal is a sedimentary rock because it is altered through biological and burial-thermal processes into different ranks.
The correct answer for this question is C. Sedimentary

The part of the vertebrae that transfers weight along the axis of the vertebral column is the:.

Answers

The part of the vertebrae that transfers weight along the axis of the vertebral column is the:. vertebral body

What is the vertebral body?

The vertebral body serves as a weight-bearing part of a vertebra. The vertebral body is a thick and disc-shaped structure and forms the anterior portion of the vertebrae.

A vertebral body has rough inferior and superior surfaces. Being disc-shaped, the vertebral bodies of subsequent vertebrae are stacked upon each other and thereby, serve to carry the weight.

Thus, the vertebral body is the answer.

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What is the length of pR?40a110110X A. 11 B. 13 C. 81 D. 9 Select the letter of the term that identifies the order in which the following sentence is written: You need four other tools for collecting. a. normal b. inverted c. command How does nuclear fission occur?A) Protons gather in the nucleus of Uranium atoms and cause the nucleus to explode and release energy in the form of heat. B) Neutrons smash into the nucleus of Uranium atoms. The neutrons are then split in half and release the energy in the form of heat . Suppose that one of Pasteur's swan neck flasks had broken, such that the neck came off. What would be the likely result? Maggots would have appeared on the meat The broth would have remained sterile Bacteria would not have been isolated in pure culture The animalcules would have escaped The liquid would have become contaminated You have a mixture of bacteria, archaea, fungi, protists, and algae. Which of the following would be most definitive in determining which of these cells are archaea? Size in a bright field microscope Structure in a scanning electron microscope Fluorescence in situ hybridization Super resolution microscopySimple staining Please help me i would really appreciate it, worth 11 points What is the nth term rule of the linear sequence below?27, 25, 23, 21, 19, ... A summary of a piece of writing always _____.restates its main idea and most important detailsrestates its main idea and every detailincludes every detailincludes no details Who is the intended audience for a book called whales of the pacific northwest, written by the sea adventures whale watch company? What is the main difference between confirmatory and exploratory factor analysis? (CFA vs EFA)O a. In CFA, SPSS is required to build the modelO b. In CFA, the researcher does not define the modelO c. In CFA, the researcher defines the modelO d. 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Fake out the premise and conclusion indicators and write them separ ately . 3. use the standard form of writing arguments premises first and concl usion last by using the letters " p " and " C " 4. which of these passages lack indicators , show us $ . 28 . 333 10 . X X X X X X X X X X X X X X X X X X X X X X X X X X " Abortion is wrong because all human life is sacred . " " We must reduce the amount of money we spend on space explorati on . Right now , the enemy is launching a massive military buildup , an d we need the additional money to purchase military equipment to m atch the anticipated increase in the enemy's strength . " We must give up some privacy in the name of security . If the homeland is not secure , terrorist attacks orders of magnitudes larger than 9/11 will fin d their way to our shores . No amount of privacy is worth enduring an attac k like this . It really does matter if you get enough sleep . We need sleep to think clearl y , react quickly , and create memories . Studies show that people who are ta ught mentally challenging tasks do better after a good night's sleep . Other research suggests that sleep is needed for creative problem solving ( U.S. Na tional institutes of Health , " Your Guide to Healthy Sleep " ) Women of the working class , especially wage workers , should not have mo re than two children at most . The average working man can support no m ore and the average working woman can take care of no more in decentia shion . ( Margaret Sanger , Family Limitations ) It's flu season and you work with kids , SO you should get a flu shot . " John will probably receive the next promotion SINCE he's been here the lon gest . " Write a single instruction that inverts bits 5 and 6 in the bl register What is the answer to the question? a) The____style formats only character, not paragraph. (a) {(1) + (1)+(2500)} x2