guys please help me on this question I am so confused and nooo links please

Answer:

Gg x Gg

Explanation:

Gg x Gg crosses would be expected to produce the greatest variety of genotypes among the offspring.

A Punnett square is defined as a graphical representation of the possible genotypes of the offspring resulting from a particular cross or breeding event. Creating a Punnett square requires knowledge of the genetic makeup of the parents.

For a monohybrid cross, Punnett squares are 2X2 squares containing four boxes where each represents a fertilization event between the original gametes. While the second type is used to predict the outcome of breeding experiments where two traits are being observed and the Punnett square is large with sixteen boxes.

In the above example, if a Gg x Gg cross occurs, the genotype for the children will be Gg, which would be expected to produce the greatest diversity of genotypes among the offspring, i.e. 100%.

Thus, Gg x Gg crosses would be expected to produce the greatest variety of genotypes among the offspring.

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A . sexual reproduction requires two individuals from the same species, a Male and a female

but sexual reproduction refers to the union of a Male and a female

Answer:

Hormones stimulate the pancreas to release enzymes needed to break down food

Answer:

hope this will help u

Explanation:

photosynthesis is the process in which plant make their own food with the help of sunlight,water and carbon dioxide. water and carbon dioxide are raw materials in photosynthesis because they help to prepare their food.During photosynthesis, plants take in carbon dioxide and water from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.

Explanation:

PHOTOSYNTHESIS

This is a process in which green plants and other organisms make their own food from simple inorganic substances which are sunlight ,CO2 and chlorophyll.

Answer:

Sorry if I'm wrong

Explanation:

Metals play very important roles in human life. Their absence may lead to several diseases in human body. Metals have also been exploited to design therapeutically useful drugs against several diseases like cancer, arthritis, ulcer, etc. Metals present in enzymes strongly facilitate their catalytic reaction.

Answer:

The missing options are:

A. Spindle fibers have not correctly attached to chromosomes.

B. Damage occurred to DNA when it was being copied in G1.

C. There are not enough nucleotides available to construct new DNA.

D. Proteins necessary for M phase of the cell cycle have not been produced.

The correct option is C.There are not enough nucleotides available to construct new DNA.

Explanation:

During the G1 phase, the cell grows in size since it prepares its organelles and molecule combinations for the next phase of the cell cycle, the S phase. Before the cell transitions to the S phase, it has to pass through a checkpoint that makes sure that there are no mutations, it has grown enough, and has the necessary molecules for the next phase, which is the synthesis of DNA. If there are not enough nucleotides, the cell will not be able to synthesize new DNA in the S phase, so the checkpoint stops the cells from moving to this phase till it has all the necessary things to do it.

Answer: Inversion

Explanation:

Answer:

Ambos son similares en sus acciones.

Explicación:

La principal diferencia que existe entre los métodos citotóxicos y citotóxicos es que los citotóxicos son las sustancias que envenenan la célula, mientras que los métodos citotóxicos son las formas de toxicidad celular. Tanto los métodos citotóxicos como los citotóxicos son similares en su acción porque tanto los métodos citotóxicos como los citotóxicos dañan la célula. Tanto en los métodos citotóxicos como en los citotóxicos, ambos causan toxicidad en la célula que inhibe el crecimiento y la estructura normales de la célula.

Answer: Measurement of the amount of waste produced.

Explanation:

Measurement of the amount of waste produced is the independent variable for a controlled experiment in this case. Therefore, the correct statement is option B.

The independent variable is the variable that can be changed in a controlled experiment. In this case, the researcher can manipulate the amount of waste produced followed by observation of its effect on the ecological footprint.

The researcher can manipulate the amount of waste by changing the factors such as the type of waste produced, recycling facilities available, etc. under controlled conditions.

Once the independent variable is manipulated, the researcher can observe its effect on the dependent variable. In this case, the ecological footprint of the individual is a dependent variable. The dependent variable is the variable that can be affected by the independent variable and is measurable.

Therefore, the measurement of the amount of waste produced is the independent variable for a controlled experiment.

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Answer:

D. nucleotides

i'm not sure

Answer:

reflex action is a way for your body to react to different stimuli. this action is automatic and unplanned and it is done by your body to prevent any further damage.

eg:

pulling you hand when you touch a hot pot

Answer:

a. 0.5 grams b. 0.25

Explanation:

Just use the half-life formula(I linked it below)

a. 4(1/2)^90/30=1/2

b. 4(1/2)^120/30=1/4

A. 0.5 grams is left unchanged after 90 days.

B. 0.25 grams is left unchanged after 120 days.

The half-life of a radioactive isotope is defined as the time it takes for half of the radioactive isotope to decay. It is stable in specific radioactive isotopes. It is unaffected by circumstances. It is also independent of the initial amount of that isotope.

It can be find out by this formula:-

[tex]N=N_o (1/2)^n\\\\[/tex]

where, N=  quantity of the substance remaining

[tex]N_o[/tex]= initial quantity of the substance

n= number of half lives

For above given example,

Given that radioactive element X has a half-life 30 days

Hence the number (n) of half-lives in 90 days

n=90/30

n=3

The amount N of radioactive element X left after n=3 half-lives with initial amount [tex]N_o[/tex]=4 gm

[tex]N=N_o (1/2)^n\\\\\\N= 4 (1/2)^3\\N= 4(1/8)\\N= 0.5 gms\\\\\\[/tex]

For 120 days, n=120/30

so, n= 4

Then,

[tex]N=4(1/2)^4\\N=4(1/16)\\N=0.25 gms[/tex]

Thus, A. 0.5 grams is left unchanged after 90 days.

B. 0.25 grams is left unchanged after 120 days.

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Answer:

Heat decrease the thermal energy of an object as energy moves to the air. Heat causes the thermal energy of the object to increase as energy moves from warmer air to the colder object

I dont know what is the answer sorry!

Answer:

DNA REPLICATES

Explanation:

During G1 phase, the cell grows in size and synthesizes mRNA and protein that are required for DNA synthesis. Once the required proteins and growth are complete, the cell enters the next phase of the cell cycle, S phase.

Answer:

object slows down), the way in which we calculate a drag force will be slightly different. .and “coefficient of drag , is it easy for objects to move through it

Explanation:

Answer:

by rubbing with air there would be a force against motion

Explanation:

Answer:

D). The plates smash together with no subduction.

Explanation:

As per the question, the last statement most adequately demonstrates the movement of plates i.e. 'the plates hit together without any detraction' through concurring boundaries causing the earthquakes to take place. The continuous smashing of tectonic plates with one another leads to the development of a pressure towards both the rock layers by the time this stress is released through a shaky or convulsive movement of the Earth. Thus, option D is the correct answer.

Answer:

B. chloroplast, oxygen

Explanation:

This is because plants take in the carbon, water, air,and it transforms the water into oxygen and carbon into glucose. So it absorbs light, and the chloroplasts are special structures that are responsible for that absorption of light, They are green, because of chlorophyll, which gives the green pigment to leafs

photosynthesis takes place inside them, so they can absorb light to start the process.

Answer:

Striped/flame colored tulips were popular

Explanation:

I took the test and said I got it right plus in this typical time colored tulips were used for many things besides them being in ponds

Answer: 16 mm

Explanation:

If I understood the given equation correctly, it could be rewritten as:

size of image = size of real object * magnification

Plug in the given values, and we get

size of image = 0.8 * 20 = 16 (mm)

Complete question:

Write the word TRUE if the statement is correct and if FALSE change the underlined word or words to make the statement correct.  

_______1.  A molecular group consisting of a sugar molecule, a phosphate group and a nitrogenous base is a nucleic acid.

_______ 2. In a DNA molecule, a base pair would be composed of adenine and guanine.

_______ 3.  Cytosine and adenine are purines.

_______ 4. During the replication of DNA, bonds are broken between the phosphate groups.

_______ 5.  RNA contains the nitrogenous base uracil.

_______ 6. There are 20 different amino acids in a cell.

_______ 7. The coded message carried by messenger RNA is translated into polypeptides at organelles called chloroplasts.

_______ 8.  The decoding of a messenger RNA message into a polypeptide chain is known as translation

_______ 9.  A severe mutation may lead to cell death and may have no effect on the body.

_______ 10.  Most mutation are harmful.

Answer:

Explanation:  

_False_1.  A molecular group consisting of a sugar molecule, a phosphate group, and a nitrogenous base is a nucleic acid.

Nucleotides: subunits or monomers composed of a sugar molecule, joined with a phosphate group and a nitrogenated base. The chain or sequence of nucleotides composes the polymer. Different nucleotides joined by their extremes compose the nucleic acid: DNA or RNA.  

A molecular group consisting of a sugar molecule, a phosphate group, and a nitrogenous base is a nucleotide.

_False_ 2. In a DNA molecule, a base pair would be composed of adenine and guanine.

In the DNA molecule, Adenine (Purine) always pairs with Timine (Pyrimidine), while Guanine (Purin) pairs with Cytosine. A-T pair is united by 2 hydrogen bonds, and the G-C pair is united by 3 hydrogen bonds.

In a DNA molecule, a base pair would be composed of adenine and timine, or In a DNA molecule, a base pair would be composed of cytosine and guanine.

_False_ 3.  Cytosine and adenine are purines.

Nitrogenated bases that form nucleic acids correspond to purines and pyrimidines. Adenine and guanine derive from purines, while Thymine and Citocine derive from Pyrimidines.

Guanine and adenine are purines.

_False_ 4. During the replication of DNA, bonds are broken between the phosphate groups.

During the replication of DNA, bonds are broken between the hydrogen groups.

_True_ 5.  RNA contains the nitrogenous base uracil.

Instead of Timine, RNA contains uracil that pairs with adenine.  

_True_ 6. There are 20 different amino acids in a cell.

_False_ 7. The coded message carried by messenger RNA is translated into polypeptides at organelles called chloroplasts.  

When mRNA leaves the nucleus, meets a free ribosome in the cytosol. Into this organelle, it starts the protein building. Ribosomes read the mRNA code and begin protein synthesis by adding the correct amino acid using transference RNA.

The coded message carried by messenger RNA is translated into polypeptides at organelles called ribosomes.  

__True__ 8.  The decoding of a messenger RNA message into a polypeptide chain is known as translation

__True__ 9.  A severe mutation may lead to cell death and may have no effect on the body.

_False_ 10.  Most mutation are harmful.

A mutation is a change or alteration in DNI sequences that introduce new variants. Many of these are eliminated, but most of them might succeed and be incorporated into each individual. These mutations are the ones that have been selected by natural selection, leading to evolution.

Most mutation are not harmful

Based on structure, DNA molecules are composed of nucleotides and mutations in DNA are mostly harmful.

DNA refers to sequences of nucleotides which contain the genetic information of organisms.

Nucleic acids are chains of nucleotides.

Nucleotides are molecular group consisting of a sugar molecule, a phosphate group and a nitrogenous base.

Four nucleotides are present in DNA and they include:

In a DNA molecule, a base pair would be composed of adenine and guanine is false because adenine bonds to thymine, while guanine bonds to cytidine

Cytosine and adenine are purines is false because cytosine is pyrimidine while adenine is a purine

During the replication of DNA, bonds are broken between the phosphate groups is false because the bonds broken are hydrogen bonds.

RNA contains the nitrogenous base uracil is true as uracil is found in RNA in place of thymine in DNA.

There are 20 different amino acids in a cell is true as these amino acids are found in proteins.

The coded message carried by messenger RNA is translated into polypeptides at organelles called chloroplasts is false because protein synthesis occurs at the ribosomes.

The decoding of a messenger RNA message into a polypeptide chain is known as translation is true.

 A severe mutation may lead to cell death and may have no effect on the body is false because mutations can cause death of organisms.

Most mutation are harmful is true because only free mutations are beneficial.

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Answer:

ANNYEONG HASEYO JONEON BANGTANSONYEONDAN HOGEON MAKNAE JEON JUNGKOOK IMNIDA

Answer:

If the average temperatures of temperate forests fell by about 25ºC during the period of 1500 years, the natural modification of the animals that would be favored would be that which allows an adaptation to the new climatic circumstances by the fauna of said forests, that is , to the notable drop in temperature. Thus, for example, animals would develop more voluminous furs, which would allow them to heat their bodies in a better way.

The Great Red Spot, a permanent region of high pressure in Jupiter's atmosphere, is responsible for producing the largest anticyclonic storm in the Solar System. Thus, option D is correct.

In Jupiter's atmosphere, there is a huge, rotating storm known as the Great Red Spot. It is similar to an Earthly hurricane, but considerably bigger.

The Great Red Spot on Jupiter is larger than Earth by more than two times! Within this storm, winds can gust as high as 270 miles per hour (ca. 435 km/h).

When astronomers first focused their telescopes on Jupiter in the 17th century, they discovered a striking reddish patch on the massive planet. More than 300 years later, the Great Red Spot is still visible in Jupiter's atmosphere. It is now understood to be a big storm that is rotating like a cyclone.

Therefore, Jupiter's Great Red Spot is believed to be (a large rotating hurricane-like storm (cyclone)).

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Answer:

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

Explanation:

sana po makatulong

Answer:

presence of the placenta (mammals)

Explanation:

Cat and dogs are two species that belong to the group of placental mammals (class Mammalia). Some phenotypic traits that are exclusive of mammal species include, among others, mammary glands, presence of hair or fur, sweat glands, specialized teeth, etc. A phylogenetic tree is a representation of the evolutionary relationships among different groups/taxa. Moreover, cats and dogs represent two different species of placental mammals, which are characterized by the presence of the placenta (an organ that facilitates the exchange of nutrients during gestation). In this case, the remaining two branches in the phylogenetic tree (branches from left to right) separate from more closely related to less closely related taxa that diverged from the same ancestral node.

Explanation:

On which side of the mountain and at which elevation is the relative humidity probably 100%? The air temperature on the leeward side of the mountain at 1.5-kilometers level is higher than the temperature at the same elevation on the windward side.