In a particular strain of mice. Fur coat color is either black or brown, where black
(B) is dominant to brown (b). A homozygous dominant mouse mates a mouse with
brown fur.
What are the genotypes of the two individuals?
What proportion of their offspring will have black fur?

Answer:

When food is physically changed, mechanical digestion occurs. Food is broken into smaller parts and mixes continually with enzymes and other gastric juices. Mechanical digestion occurs in the mouth, stomach, and small intestine. Food is chemically changed in digestion when new, smaller substances are formed. These chemical changes are examples of chemical digestion. Chemical digestion begins in the mouth when enzymes in saliva begin to break down carbohydrates. Most chemical changes in digestion occur in the small intestine. Large molecules of food are broken down into smaller molecules that can be absorbed by our cells. Carbohydrates, proteins, and fats are broken down in different parts of the digestive system using different kinds of enzymes. Different kinds of small molecules are formed by these processes.

Explanation:

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Answer:

The three main differences between DNA and RNA are:

-DNA is double-stranded, while RNA is single-stranded

-DNA is made up of deoxyribonucleotides, while RNA is made up of ribonucleotides

-DNA contains the sugar deoxyribose, while RNA contains the sugar ribose

Explanation:

The three main differences are :
1.RNA contains uracil while DNA contains thymine
2.RNA has sugar ribose while DNA has deoxyribose.
3.RNA is single stranded while DNA is double stranded .

What is the structure and function of DNA?

The organic components known as nucleic acids can be found in the form of DNA or RNA in all living things. These nitrogenous bases, sugar molecules, and phosphate groups are joined by various bonds in a series of sequences to form these nucleic acids. The fundamental genetic make-up of our body is defined by the DNA structure. In actuality, it describes the genetic composition of almost all life on earth. This holds true for viruses as well because the majority of these organisms have either RNA or DNA as part of their genetic makeup. As an illustration, some viruses may have DNA as their genetic material, while others may have RNA. RNA is present in the Human Immunodeficiency Virus (HIV), which after attaching to the host cell, transforms into DNA.

So, the DNA is double stranded while RNA is single stranded.

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The parents  here are  YyLl (heterozygous parent with dominant traits) with yyll (homozygous parent with recessive traits).  The recombinant species are yyLl: 100 and Yyll: 100.

The genetic expression that expresses itself are the genetic traits that get expressed in the individual whereas the one that do not are called as recessive genotype.  

Here, YyLl is the heterozygous dominant species where Y represents the dominant trait over y and T represents the dominant trait over t. The traits are presented both as dominant and the recessive parents is yytt.

Recombinant species will show traits that are both mixed where the heterozygous dominant and the recessive traits gene will express itself  and these are Yyll: 100 and yyLl: 100.

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Answer:

integration in the cerebrum

Explanation:

this is because the reflex arc, which controls the reflex action,occurs in the spinal cord.The ascending neuron only picks the information to inform the brain of what has happened, after it has actually happened

The FIVE (5) uses of the beta-amylase enzyme include;

.β-Amylase is used in the mashing and brewing process. It produces enough maltose, which is the most important fermentable sugar.

.It is used in the production of malt and beer as an additive in foodstuff.β-Amylase at controlled temperature breaks down starch into maltose, dextrins, oligosaccharides, and glucose molecules.

.β-Amylase is utilized in the production of maltose-rich syrup.

.It is used as a sweetener in food and pharmaceuticals due to its mild sweetness and lack of color formation.

. β-Amylases also slow down starch retrogradation, thus maintaining the quality of bread and preventing it from drying.

What is a β-Amylase enzyme?

This enzyme speeds up the hydrolysis of the second α-1,4 glycosidic bond, cleaving off two glucose units (maltose) at a time acts . They act on starch, glycogen, and other polysaccharides and oligosaccharides to give tt-maltose by an inversion.

Beta-amylase can be seen in bacteria, fungi, plants, bacteria, and cereals. During the ripening of fruit, β-amylase disintegrates starch into maltose, giving rise to the sweet flavor of ripe fruit.

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The place that  the green florescence gene can be added in the plasmid is that the promoter of a gene from another organism can be placed downstream of the GFP gene.

Most green florescence gene fusion proteins are created by attaching GFP to the host protein's N- or C-terminus. However, some host proteins may lose their functionality as a result of this. As an alternative, GFP can be inserted into the host protein's midsection.

Note that from the modification of DNA to the expression of a protein to the detection of a trait, the GFP expressed from the pGLO plasmid exemplifies the fundamental principles of biology. Only the cloned GFP glows out of the hundreds of proteins in the bacterial proteome.

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Sedimentary rocks and fossils  are the best evolution rate that describes a fossil record from many different forms of the same organism over a long period of time.

The highly organized order in which fossils are discovered in sedimentary rock layers is known as the fossil record.

It suggests that at least 3.5 billion years ago, there were living forms on Earth.

Fossils, which also show how different species evolved, provide undeniable evidence that ancient organisms were unique from those that exist now. The comparative anatomy of modern animals and fossils make up the morphological, or anatomical, record.

what is sedimentary rocks?

Sedimentary rocks are constructed from pre-existing rocks or remains of extinct creatures. They emerge from deposits that amass on the Earth's surface. Identifiable bedding or layering is typically present in sedimentary rocks.

Therefore, Sedimentary rocks and fossils  are the best evolution rate that describes a fossil record from many different forms of the same organism over a long period of time.

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Answer:

Human gene I (isohaemagglutinin) has three allelic forms: Iᴬ, Iᴮ, and i. Iᴬ produces type A antigens on the red blood cells. Iᴮ produces type B antigens. i which is a recessive allele does not produce any antigen.

Answer:

Deoxyribose

Explanation:

It has the same amount of sugar as ribose

ribosomes is unique to the Monera

PCR  is a polymerase chain reaction and involves denaturation, annealing, and extension. PCR tube includes primers, DNA, Taq polymerase and water. The main advantages of PCR are the versatility to obtain a given DNA sequence amplified and bands in the agarose gel represent different samples.

The Polymerase Chain Reaction or PCR is a technique widely used in molecular biology labs to amplify a given DNA sequence lesser than 1,300 base pairs, which involves successive cycles of denaturation to separate both DNA strands, annealing using oligonucleotides called primers and then the extension of the DNA sequence.

Therefore, with this data, we can see that the Polymerase chain Reaction or PCR is a versatile technique to obtain genetic information of a given sample by using an agarose gel that separates samples after PCR by electrophoresis.

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A negative feedback altering homeostatic control is option B: The concentration of salt in a person's urine increases after that person eats a large bag of salty chips.

The ability of the body to maintain its normal state in the face of changes in the external environment is known as homeostasis. The ion concentration can be controlled via homeostasis. The desire to excrete salt through urine also grows as the body absorbs salt from eating chips. Therefore, negative feedback loops that change homeostasis are used to maintain the salt's ionic concentration. Therefore, option B marks the correct choice.

The inclusion of negative feedback loops helps to maintain homeostasis. These loops behave in the opposite direction from the stimuli that causes them. If the body temperature is high, for instance, the negative feedback loop will work to lower it toward the set point, or the desired value.

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FUNCTIONS OF LIVER

Logistic growth takes place when a population's per capita growth rate decreases as population size approach a maximum imposed by limited resources, the carrying capacity( K).

What happens during logistic growth?

When resources are limited, populations exhibit logistic growth. In logistic growth, population expansion decreases as resources become scarce, leveling off when the carrying capacity of the environment is reached, resulting in an S-shaped curve.

Is Human growth exponential or logistic?

The world's human population is growing at an exponential rate.

What is logistic growth used for?

The logistic function models the exponential growth of a population but also considers factors like the carrying capacity of the land.

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In the process of gravitational condensation, an object decreases in size due to the collision of materials.

When two materials collide, an object shrinks in size. Materials from solar nebulae are used to create gas particles. Materials from the solar nebula are converted into solid particles.

The force that pulls objects with mass toward the Earth and attracts them there is known as gravitational force. It should be understood that when heated water transforms from a liquid condition to a gaseous state, the size will decrease.

We observe that the cohesive forces of fluids that cause droplets to coalesce and bond together, as well as the quantum condensation of a BEC, are comparable to the effects of gravity on matter.

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Petrified Wood is formed when tree cell walls are replaced by minerals.

Petrification is the outcome of the replacement of a tree or tree-like plant by stone during the mineralization process, which frequently also involves permineralization and replacement. Minerals have been used to mimic the biological components of cell walls.

what is mineralization process?

Through the process of mineralization, chemicals found in organic matter are oxidized or broken down into forms that are readily absorbed by plants. Earthworms and other members of the soil's microbiota, including fungi and bacteria, play a major role in the transformation of organic molecules in the soil.

When an inorganic substance precipitates in an organic matrix, it is called mineralization. Mineralization that occurs through biomineralization. Bone mineralization is an illustration of mineralization. Tissues that have experienced mineralization are referred to as mineralized tissues.

Therefore, Option D is correct.

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The circulatory system maintains blood flow throughout the body, while the digestive system is in charge of the ingestion, breakdown, absorption, and excretion of nutrients and minerals.

The human body has numerous systems, each of which is in charge of a certain function, and they all work together to provide the necessities for life. To make sure the body gets all it needs to keep working, many of these systems must communicate with one another. The digestive system and the circulatory system are two of these systems. Doing so guarantees that each portion of the body receives the essentials for function. Both methods work together to provide nourishment to the many-body sections.

So, we may say that the circulatory system maintains blood flow throughout the body. In contrast, the digestive system is responsible for the ingestion, breakdown, uptake, and elimination of nutrients and minerals.

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In a low-pressure system, the temperature changes.

Pressure in the environment is the force exerted on a surface by the air above it as gravity pulls it to the Earth. In scientific terms, pressure can be defined as the force exerted on a surface per unit area. The atmospheric pressure is also known by the name barometric pressure.

Temperature is the measure of the hotness of coldness of the environment. The units used to measure the temperature are Celsius, Kelvin and Fahrenheit. Temperature and pressure are directly proportional and hence in low pressure system, the temperature will also be low.

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Answer:

AUG GUC AGU CCA CCU GCU CAU UAA  
Programs for seven amino acids, the last one is a stop codon.
I think there's 24 nucleotides but like I haven't learned biology in so long so sorry if this is wrong.

Explanation:

Answer: Adrenarche

Explanation:

Chimpanzees are the animal most closely related to humans.

Ever since researchers sequenced the chimp genome in 2005, they have known that humans share about 99% of our DNA with chimpanzees, making them our closest living relatives.

How are humans related to chimpanzees?

Ever since researchers sequenced the chimp genome in 2005, they have known that humans share about 99% of our DNA with chimpanzees, making them our closest living relatives.

Are chimpanzees basically humans?

Chimpanzees are genetically closest to humans, and in fact, chimpanzees share about 98.6% of our DNA.

Thus, chimpanzees are most closely related to humans.

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Answer:

Explanation: The answer would be water because , nuclear power plant would heat the water so that it could produce steam .

The inputs of cellular respiration are food molecules such as glucose and oxygen, while the outputs include ATP and carbon dioxide.

The process of cellular respiration makes reference to all series of metabolic steps required to transform foods into ATP by using aerobic pathways, which requires oxygen as an electron acceptor during the electron transport chain in the oxidative phosphorylation stage.

Therefore, with this data, we can see that the process of cellular respiration requires glucose and oxygen as inputs, while outputs include ATP (the energy coin of cells) and carbon dioxide.

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Atoms bond with other atoms when they need to fill their shell is true .

When two atoms share a pair of electrons, covalent bonding results. In order to increase their stability, which is attained by forming a complete electron shell, atoms will covalently connect with one another. Atoms can stabilize themselves by filling up their outer electron shell by sharing their outermost (valence) electrons.

Atoms, which are very little particles of matter, are what define a chemical element specifically. The core nucleus of an atom is surrounded by one or more negatively charged electrons.

Whatever atoms the shared electrons originally belonged to or how many electrons are involved, a bond is simply the sharing of electrons between two or more atoms to satisfy their demand for an unoccupied final shell.

Hence, your statement about atom is True .

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Water will flow from the right side of the plasma membrane to the left side of the membrane due to osmosis. Hence, the correct answer is option A.

The molecules move across the cell membrane. Water moves from high concentrations to low concentrations by osmosis. Here, the left side has a 12% salt solution. Out of 100, the salt concentration is 12. The right side has 4%. Out of 100 parts, 4 parts of salt are present. The water concentration is higher on the right side (96 parts ). Hence, the water will move from the right side to the left side by the process of osmosis.

Hence, option A is the correct answer.

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Answer: Water would keep the population at 1,000 armadillos. In this case, water is the limiting factor.

Explanation: