A pea plant purebred to produce round yellow peas is crossed with a plant purebred to produce wrinkled green peas. Round pea shape is dominant to wrinkled, and yellow pea color is dominant to green. Members of the resulting F1 generation are then crossed to produce an F2 generation, as shown in the figure. On average, what fraction of the F2 generation will display both dominant traits?

(ANSWER ONLY IF YOU ARE SURE PLEASE NO GUESSING THANK YOU)
A)


4 out of 16 plants will display both dominant traits.


B)


9 out of 16 plants will display both dominant traits.


C)


16 out of 16 plants will display both dominant traits.


D)


12 out of 16 plants will display both dominant traits.

Answer:

the answer for number 1 is A and number 2 is C

Explanation:

1. Insulin controls the level of glucose in the blood by instructing the liver to remove the sugars and store them. So, this cause the amount of glucose (sugar) to decrease as the level of insulin increases.

2. Hormones and receptors have connections when it comes to this topic. Tissues have nothing to do with them, because it didn't ask about the body parts and etc. Antibodies; more to the drugs topic. And carbohydrates has nothing to do with hormones for this question.

Answer:

Cell Shape: Large surface area = Function: Absorption/metabolism increases

Explanation:

The large the surface area of a cell allows for more receptors to interact to increase the amount of metabolism that occurs within the cell. The example you provided, columnar and epithelial cells, are found in various locations throughout the body but are most notable found in the intestinal lining of our intestines. The shape of the columnar which is made up of epithelial cells is waved shaped to allow for more surface area within a given location. Consequently, leading to further absorption.

To try and kill all the emerald ash borers. describe what an organism's niche is. Niche is what an organism's role is in the environment is best explanation why the ash trees are being cut down.

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The structure that caused rotifers to be called wheel animals or wheel bearers is the corona.

Rotifers are also known as wheel animals or wheel bearers because of the corona structure around their mouth region.

Some rotifers are sessile and live inside tubes or gelatinous holdfasts that are attached to a substrate. Other rotifers migrate around a substrate through inch worming.

This is because when corona is seen in a sequential coordinated movement, it resembles the structure of a wheel, although it does not rotate in reality.

Therefore, we conclude that rotifers are called wheel animals or wheel bearers due to the presence of the corona structure.

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Answer:

simple there is no oxygen

The main environmental factors that affect photosynthesis are: light, CO2 and temperature. Also, the availability of water and nutrients are important factors.

Plants kept under ideal conditions of luminosity and carbon dioxide concentration increase the rate of photosynthesis as the ambient temperature increases, up to close to 40°C. Above this temperature limit, there will be a drastic reduction not only in photosynthesis, but also in most vital reactions.

The photosynthetic rate, that is, the intensity of photosynthesis that the plant performs, can be changed by the amount of light it receives. The greater this light radiation, the greater the photosynthetic rate, if there is no other factor such as temperature or water availability limiting the process.

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Answer:

Halve the number of chromosomes in a cell.

Create gametes.

Explanation:

Meiosis is a cell division process where the parent cell divides to give four daughter cells, each containing half the number of chromosomes. It is also called as reductional division. It is important for reproduction as meiosis is the sole way for germ cells to form sperm or eggs.

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The main purposes of Meiosis include reducing the number of chromosomes in a cell by half, generate genetic diversity, and creation of gametes. Thus, the correct options are B, C, and D.

Meiosis is a special type of cell division which is also known as reductional division. It occurs in the germ cells in the sexually-reproducing organisms that involves the formation of the gametes, such as sperm or egg cells. Meiosis involves two rounds of division which are Meiosis I and Meiosis II, which ultimately results into formation of four daughter cells with only one copy of each chromosome.

Meiosis is an important type of cell division for three main reasons which are sexual reproduction of diploid organisms in which it produces gametes, it enables genetic diversity in sexually reproducing organisms, and it reduces the chromosome number in the daughter cells by half.

Therefore, the correct options are B, C, and D.

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Aerobic is one that uses oxygen in the process of generating energy in the muscles. This type of exercise works a large number of groups rhythmically.

Aerobic respiration is the one that participates in the control and can be probable in three steps: analysis of glycolysis, Krebs cycle and oxidative phosphorylation. When breathing, we soon imagine the inflow of oxygen and the outflow of carbonic acid through our airways.

With aerobic cellular breathing, more and more ATP is broken down so that it generates more energy so that we can continue to perform the exercises. This energy causes cells to break down fats.

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As you can see from the diagram below, the human nervous system is divided into two main components, the peripheral nervous system and the central nervous system.

The peripheral nervous system is further divided into two components. The somatic nervous system involves the voluntary movement of skeletal muscle. When you decide to raise your cup of coffee to your mouth, that is the somatic nervous system at work activating the appropriate muscles. The second component of the PNS is the autonomic nervous system, which controls processes that are out of our conscious control.

The autonomic nervous system is further subdivided into the parasympathetic nervous system and the sympathetic nervous system (which you are interested in). In very generalized terms, they have antagonistic effects on each other. The sympathetic nervous system generally activates the body, whereas the parasympathetic nervous system primarily acts to relax the body. This is a simplified view of things, but it is useful to think of it in this way.

The sympathetic division of the autonomic nervous system increases heart rate, inhibits digestion, relaxes bronchi in the the lungs to allow more airflow, causes the release of glucose from the liver, and relaxes the bladder. All of this activates the body, prepares it for a "fight".

In contrast, the parasympathetic division reduces heart rate, constricts bronchi in the lungs, and increases blood flow to the digestive tract. It has been called the "rest and digest" system.

As you can see from the diagram, the nerves of the parasympathetic nervous system come directly from the brainstem and spinal cord. However, with the sympathetic nervous system, there are "ganglia" (groups of cell bodies) outside the spinal cord itself.

Interestingly, the parasympathetic nervous system only uses Acetylcholine (ACh) to exert its effects on organs, but the sympathetic nervous system uses both ACh and norepinephrine (NE) to activate the body.

Its important to remember that the sympathetic and parasympathetic nervous systems are autonomic, meaning we generally have little control over them.

Doodle's repeated cries of "Don't leave me" hint at a later event in the novel where the narrator rushes forward and abandons Doodle to struggle behind. The passage from "The Scarlet Ibis" is the inspiration for this.

What type of character is Doodle?

He is a rounded character because as the narrative progresses and he ages, he picks up numerous flexible and eccentric traits including tenacity, frailty, being underestimated, imagination, and dependency. Because she is only identified by a few characteristics, Aunt Nicey has a flat personality.

Scarlet ibis and Doodle are similar. He is despised by his family because he is clumsy. They anticipated that he wouldn't survive. The scarlet ibis, which likewise exhibits extreme weakness like Doodle, serves as a metaphor for him.

The narrator rushes on, leaving Doodle to struggle behind during a violent storm, as foreshadowed by Doodle's frequent cries of "Don't leave me."

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Answer:

watering plants

Explanation:

Greywater is excellent for watering your garden. Studies prove that this water contains phosphorus and nitrogen

Answer:

jey que tal

Explanation:

Answer:

it's a watershed

Explanation:

basically it's a channel that drains/carries runoff to a common point like the lake in the picture. water, sediment, and other materials are carried by the river to the lake.

Answer:

An isotopes are atoms located in the same spot on the periodic table. They are considered the same element, but they differ in the number neutrons in their nuclei. They have the same location on the periodic table, atomic number, number of protons, and number of electrons.

Three questions that might be answered by studying earth/space science include the analysis of biotic factors, the presence of underground rivers and lithium in a mountain.

Earth science is a scientific field that deals with Earth's characteristics, including biological features.

Earth science is aimed at comprehending how biological factors are maintained on the Earth planet.

In conclusion, questions that might be answered by studying earth/space science include biotic factors, underground rivers and lithium.

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The statement is true. Economic profit equals zero when total revenue (TR) equals total cost (TC).

In Economics, total cost is defined as the sum of costs that is incurred by firm for the production of certain level of output.

Mathematically, it is calculated as:

TC (total cost) = TFC (total fixed cost) + TVC (total variable cost)

Fixed cost refers to a cost that does not change with an increase or decrease in the number of goods or services produced or sold.

Variable cost changes with an increase or decrease in the number of goods or services produced or sold.

Total revenue is also called gross revenue. It is the total amount of income your company brings in from selling your products/services.

When total revenue (TR) equals total cost (TC), economic profit equals zero.

Hence, the given statement is true.

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Osteoporosis causes bone density to decrease due to decreased osteoblast activity, increased osteoclast activity, and external factors like long-term medication. Option B. All choices are potential causes.

Let us first review what the bone cells are and their functions,

• Osteoprogenitores → in charge of osteocytes production

• Osteocytes → maintain the matrix

• Osteoblasts → Synthesize and secrete osteoid matrix that will later calcify

• Osteoclasts → Phagocytic cells in charge of osseous resorption and bone modulation.

Osteoporosis is a no-symptoms disease -silent- that causes a decrease in the bone mineral and mass density and might change the bone structure.

Osteoporosis weakens the bone until it breaks. So this affection becomes evident when a fracture occurs.

Several factors lead to osteoporosis development. Among them, we can mention,

The increased rate of bone resorption is the major mechanism by which osteoporosis occurs. It deteriorates bone structure and decreases bone density.

Bone resorption and deterioration might be caused by

Other external factors also increase the probability of developing osteoporosis. Some of them are,

According to this framework, the potential causes of the Osteoporosis are Decreased osteoblast activity, Increased osteoclast activity, Secondary to external factors like drugs/cancers.

Hence, option B is correct, All choices are potential causes.

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People behave the way they do because of situation as well as genetics.

People behave as they do in response to the way they are treated by other people as well as in response to situation. In their behaviour, they have also a genetic factor that influence their behaviour.

So we can conclude that people behave the way they do because of situation as well as genetics.

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Prostaglandin is released in response to  to a bee sting or pollen.

An allergic response is a series of reactions induced by the immune system of the body due to the presence of a foreign substance known as an allergen.

A bee sting or pollen can be recognized as allergen and results in the release of prostaglandins by mast cells.

In conclusion, prostaglandins are produced in response to allergens.

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the organisms in the order Gymnophiona have no limbs. Option 3

Gymnophiona also  called Apoda, area known as one of the three major  orders of the class Amphibia.

Its members are known as caecilians which means “sightless” or “blind.”

Majority of the organisms in this group are limbless and wormlike amphibians that live underground in humid tropical regions throughout the world.

They are believed to have internal fertilization.

Their heads are blunt, and their skulls are bony and compact in nature.

Since they are limbless, they have no limbs

Thus, the organisms in the order Gymnophiona have no limbs. Option 3

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Answer:

I hope this helps.

Explanation:

Answer:

It is called metabolism.

Answer:

A

Explanation:

Is a process by by which two or more different strains combine to form a new subtype.

The evidence about the ancient Egyptians that suggests that this claim is inaccurate are:

This refers to the use of evidence in order to validate a claim that is made through the use of factual or statistical data.

Hence, we can see that based on the fact that people thought that the pyramids of Egypt were built by aliens was false because there are supporting details to prove them otherwise and they are listed above.

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Answer:

[tex]\boxed {CH_{4}}[/tex]

Explanation:

An organic molecule generally consists of hydrocarbons, or molecules that  are made up of the two elements carbon and hydrogen.

∴ Hence, only one molecule here follows the requirement, which is :

CH₄

Answer:

A. Cell wall and chloroplast

B. Nucleus (the dark grey circle)

Explanation:

Answer:  

PHENOTYPE OF MOTHER -O BLOOD GROUP

 GENOTYPE OF MOTHER -i/i

PHENOTYPE OF FATHER: AB BLOOD GROUP

GENOTYPE OF FATHER: A/B

THE OFFSPINGS WILL HAVE BLOOD GROUP EITHER A OR B .

THE PHENOTYPES OF OFFSPRINGS WILL BE EITHER A OR B .

THE GENOTYPES OF THE OFFSPRINGS WILL BE EITHER A/i FOR BLOOD GROUP A AND B/i FOR BLOOD GROUP B.

Explanation:

WHAT IS MULTIPLE ALLELES?

GENES WHICH SHOWS MORE THAN TWO ALLELIC FORM ARE CALLED MULTIPLE ALLELES. ABO BLOOD GROUPING IS CONTROLLED BY MULTIPLE ALLELES.

CROSS

                                        MOTHER × FATHER

PHENOTYPES                          O   × AB

GENOTYPES                            i/i    ×  A/B

GAMETES                                 i           A   B

F1 GENERATION                    A/i        B/i      

(GENOTYPES)

PHENOTYPES                       A   AND B BLOOD GROUPS

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The reason the flowers and plants were removed from patients rooms at night was to prevent the carbon dioxide emitted from affecting the patient.

This is the process in which green plants manufacture their food in the presence of sunlight.

The light dependent reactions cannot occur at night due to the absence of sunlight thereby resulting in more carbon dioxide being produced during aerobic cellular respiration.

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The muscle is highlighted below is Obliques.

The oblique muscles are those located on the sides of the abdomen. They are divided into: external oblique muscle, internal oblique muscle and transverse muscle. The external muscle is the largest and most superficial of the three. It lies under the skin of the thoracic and abdominal regions.

Its direct action is flexion, lateral bending and contralateral trunk rotation. The internal oblique muscle is located deep to the external oblique and originates from the inguinal ligament, iliac crest, and thoracolumbar fascia.

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