Please help with this assignment

Answer:

One parent has blood genotype BO and the other has blood genotype AO.

Explanation:

There are 4 different genotypes shown, so all 4 "letters" must be utilized. Additionally, the third child has type AB, and since each "letter" comes from a parent, one parent has "A", and the other has "B". Finally, since the second child has type O, and "O" only shows up when the genotype is "OO", that means that each parent must also have "O" in their genotype, which leaves us with one parent having genotype BO and the other with genotype AO.

Epistatic interaction between alleles condition is always necessary for members of one population to be reproductively isolated from other populations.

Human Reproduction is when an egg cellular from a female and a sperm mobile from a man unite and develop inside the womb to form a infant. a number of organs and systems in both the female and the person are wanted so as for this procedure to occur. those are known as the reproductive organs and genitals.

Reproduction is the manner through which a dwelling being offers upward push to younger ones. duplicate approach to breed. it's miles a organic procedure via which an organism reproduces an offspring who is biologically similar to the organism. reproduction permits and guarantees the continuity of species, era after technology.

In the reproductive manner, a male sperm and a lady egg provide the facts required to provide another person. idea takes place whilst those cells be a part of as the egg is fertilized. being pregnant starts once the fertilized egg implants in the uterus.

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Answer:

haploid body cells

Explanation:

Meiosis is the specialized cell division process that takes a diploid precursor cell and from it generates up to four haploid cells for sexual reproduction in eukaryotes. In mammals, the haploid products of meiosis are referred to as gametes: the spermatozoa of males, and the oocytes (or eggs) of females.

In this ecosystem, if there is an increase in the lion population, then all the jackals, goats and wild cats will decrease in number and soon there will be shortage of food for the lions.

Lions are top predators in their natural habitat, whether it's grasslands, desert, or open woodland. It means they play an important role in maintaining a healthy population balance among other animals, particularly herbivores like zebra and wildebeest, which influences the condition of grasslands and forests. Lions can be found in a wide range of habitats, but they prefer grassland, savanna, dense scrub, and open woodland. Historically, they were found throughout much of Europe, Asia, and Africa, but they are now mostly found in Africa south of the Sahara.

Lions directly contribute to ecosystem services: Every year, iconic animals such as lions attract tourists and trophy hunters worth millions of dollars to the economies of many African countries.

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The smooth seed shape is QQ, Qq where the qq is the wrinkled seed shape. The condition is possible if the gametes are heterozygous then the condition is heterozygous.

The condition of heterozygous is that the two genes present on the  allele.

Punnett square shows the Qq X Qq that is QQ,qq,qQ, qq that is 2 of the progeny are recessive in nature and 2 are dominant in nature.

The ratio is 1:1 that is the the phenotypic ratio will be 1:1 where 1 represents the allele that is dominant in nature which represents smooth seeds and 1 represents wrinkled seeds that is qq which represents wrinkled as well.

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Answer: Pyridoxine

Explanation:

is needed (like some of the other B vitamins) for the breakdown of carbohydrates, proteins and fats. Pyridoxine is also used in the production of red blood cells, as well as in the biochemical reactions involved in the metabolism of amino acids (the building blocks of protein)

Answer:

Long/Yellow : 4, Long/Orange : 4, Short/Yellow : 4, Short/Orange : 4

Explanation: Use a punnet square.

When mitosis is finished, a cell that had 12 replicated chromosomes at the beginning will still have 12 chromosomes.

If the cells have 12 chromosomes during interphase, they will still have 12 in each of their daughter cells even after mitosis is complete.

Meiosis is a cell division process in which a single parent cell divides twice to produce four daughter cells that each have half as much genetic material as the original cell. Therefore, if a cell has 12 chromosomes at the start of meiosis, then 12/2=6 chromosomes will be present in the cell by the completion of meiosis.

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Answer:

If a cell is placed in an isotonic solution, there will be no net flow of water into or out of the cell, and the cell's volume will remain stable.

A cell's volume won't change if it is submerged in an isotonic solution, since there won't be any net water movement in or out of the cell. If the concentration of solutes inside and outside the cell are equal, and the solutes cannot cross the membrane, the solution is isotonic to the cell.

Equal amounts of solutes are present inside and outside the cell membrane in cells that are isotonic to the surrounding solutions. As a result, a dynamic equilibrium is created, maintaining the cell's condition. All living things need a mechanism to control their interior surroundings. We refer to this as homeostasis.

For animal cells to be in equilibrium, isotonic fluids are required. All living organisms must maintain homeostasis, which is a state of equilibrium. Animal cells don't have a cell wall, thus when there is too much water entering or exiting the cell, it will burst or shrink and die.

Therefore, If a cell is submerged in an isotonic solution, there won't be any net water inflow or outflow, and the volume of the cell will stay constant.

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Answer:

As receptor, cell identity

Explanation:

In most of animal cells, there is carbohydrate layer out of cell membrane. This structure is embedded tightly with the membrane. In terms of composition, this is named glicocalyx or carbohydrate-rich layer.

Glycocalix can be glycoprotein if carbohydrate bind to protein, while glycolipid if lipid bind to its carbohydrate. Both of them provide as reseptor to communicate with another cell.

These structures also acts as cell identity. For example in blood type categorization, which determine the type of blood and antigenic traits. It also provide a sign as “self cell” and “foreign cell” in immune system.  This concepts has an essential role in organ transplant compatibility.

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Answer:

The energy in the bonds of glucose molecules is transferred to the phosphate bonds in ATP.

Answer:

Excretion is the removal of waste products and fiber from the body through the anus. It removes harmful/ unnecessary things from the body.

Myceliopthora thermophila species of fungus is used in produced of acid wash jeans to give them their distinct faded look.

Slight fungal skin infections can appear like a rash and are very commonplace. for example, ringworm is a skin infection because of a fungus—now not a computer virus. Fungal infections inside the lungs may be more severe and frequently cause signs that are similar to different illnesses, consisting of bacterial pneumonia or tuberculosis.

Dampness and humidity. Sweating closely or operating in a warm, humid surroundings can increase your threat of a fungal infection. Fungi want a warm and moist surroundings to grow. taking walks barefoot in damp locations, which include gyms, locker rooms, and showers, can also boom your hazard.

Antifungal medicines work to deal with fungal infections. they are able to either kill fungi directly or save you them from developing and thriving. Antifungal capsules are to be had as OTC treatments or prescription medications, and are available a diffusion of forms, along with: creams or ointments.

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The statement for the structure are illustrated thus:

The-C00 group of one amino acid reacts with the --NH, group of the next amino acid - Primary structure.

Hydrogen bonds holding beta-pleated sheets tightly in place are formed within the same polypeptide chain - Secondary structure

Three chains of polypeptides are woven together like a braid to form a triple helix in collagen - Secondary structure.

An SH group in one amino acid forms a disulfide bond with an SH in another amino acid - Primary structure

Polypeptides aid in the formation of proteins by linking together many amino acids. Proteins are formed by the joining of two or more polypeptides, which are then folded into the proper shape for the protein.

The protein structure found in collagen, which consists of three polypeptide chains braided together illustrates the triple helix.

Secondary structure involves the folding of a protein's secondary structure into a compact structure that is stabilized by R group interactions.

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Answer: The Egyptians built a calendar that ended in 2012.

The answer is that is TRUE. They thought it was doomsday in 2012.

The helicase destroys hydrogen bonds between DNA nucleotides as it proceeds away from the point of origin.

Enzymes called helicases bind to nucleic acid or nucleic acid protein complexes and may even alter them. Helicases exist for both DNA and RNA. DNA helicases are necessary for DNA replication because they divide double-stranded DNA into single strands, enabling the replication of each strand individually.

A primosome is a structure on the lagging strand that is formed by the primase molecule and a DNA helicase in procaryotes.

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Answer:

Crossing over

Explanation:

crossing over

The activity of an enzyme might be increased by all of the following except the presence of other enzymes.

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Stamens, which are the male components, typically encircle the pistil. The filament and anther are the two components that make up the stamen. An anther releases pollen (male reproductive cells). The anther is dependent on the filament.

A tube that develops down the style and into the ovary after pollen contacts the stigma during fertilization. The ovule is fertilized by male reproductive cells that go down the tube and combine with it. The ovary develops into the fruit, and the fertilized ovule forms the seed.

What is pollen?

A thin, yellowish powder known as pollen is carried from plant to plant by the wind, birds, insects, or other creatures. The dispersal of pollen aids in plant fertilization but can be miserable for those who suffer from seasonal allergies.

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Answer and Explanation: Because the runner is running at a constant velocity, the velocity is not changing, this means the rate of change of velocity would be 0. So the answer is c) Their acceleration is zero.

:) Have a nice day^^

The reason it must aim for the fish in a slightly different place than where the fish appears to be located is option D: Light waves are refracted as they travel from air to water.

Light slows down when it transitions from less dense air into more dense glass or water. The light ray changes direction as a result of the slowing of the light. Refraction is brought on by a change in the light's speed.

We know that when light tends to bends away from the normal when it reaches the air, which is why the pelican must dive in front of the horizontally oriented image of the fish because of the law of refraction.

So, The angle at which the light exits the water from the fish bends it away from the normal, giving the impression that the fish is closer to the surface.

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See full question below

A pelican hunts fish in the water. As the pelican flies above the water’s surface, why must it aim for the fish in a slightly different place than where the fish appears to be located?

answer choices

Light reflects off the fish, except for light of the wavelength the fish absorbs, making the fish hard to see.

Water absorbs most of the light, so not much light reaches the pelican’s eyes.

Energy from the ocean waves is transferred to the light waves.

Light waves are refracted as they travel from air to water.

Answer:

This is called the Greenhouse Effect.

Explanation:

The greenhouse effect is the mechanism by which some molecules in an atmosphere contribute to the planet's ability to retain heat. There are two concepts to grasp: two factors: 1) how heat energy escapes from warm objects; and 2) how some gases prevent the heat energy from escaping.

1. How heat energy escapes from warm objects

Anything that is warmer than absolute zero (-273.15 °C) emits electromagnetic radiation, or "glows." That is to say, any warm object radiates electromagnetic waves that carry some of the heat energy along with them as they travel away from the object.

Electromagnetic radiation: What is it? Waves are what move and convey energy through space. The amount of energy that a wave can carry increases with its frequency (waves per second). Low frequency electromagnetic radiation is referred to as "radio." Visible light is a much higher frequency type of electromagnetic radiation. X-rays operate at an even higher frequency.

The range of frequencies that warm objects produce depends on the object's temperature. We can see objects that are really hot glow because they emit a lot of visible light. Although cooler objects don't produce visible light, they nevertheless glow from low frequency electromagnetic radiation that is unseen. The average surface temperature of the Earth is 15 °C, and objects at this temperature emit "infra-red" electromagnetic waves, which have a lower frequency than red light and cannot be seen by human eyes. Since the sun's surface is about 6,000 degrees Celsius hotter than Earth's, it emits visible light. The fact that anything with a temperature above absolute zero glows is similar in many ways.

The Earth is 'glowing' with invisible infrared simply because it is warm. The infra red takes heat energy away from the Earth. It disappears into space.

2. How some gases stop the heat energy escaping

A molecule can vibrate. The tensions between the atoms that make up molecules resemble tiny springs and minuscule balls, respectively. The balls can be rhythmically brought closer together and farther apart by the springs as they compress and stretch. One approach to temporarily store energy is to cause a molecule to vibrate.

When electromagnetic waves strike a molecule, if they are of the proper frequency, the wave's energy can be converted into the vibrational energy of the molecule. In other words, the electromagnetic wave's energy is stored in the molecule. However, it doesn't retain the energy for very long before ceasing to vibrate and converting it back into an electromagnetic wave.

Which frequencies cause the molecule to vibrate depends on its characteristics. The frequencies at which carbon dioxide, methane, and other greenhouse gases vibrate are the same as those of infrared light. Because they don't vibrate at the same frequencies as nitrogen and oxygen molecules, infrared radiation passes right by them. On the other hand, there is a good chance that a carbon dioxide molecule will absorb an infrared wave's energy and momentarily store it as a vibration if it does so.

It's important to note that a vibrating molecule can eventually emit a wave that travels in any direction, including up, down, left, right, forward, and backward. Where the initial wave was going is irrelevant.

3. Putting it all together

Thanks.

Answer:

omg

Explanation:

am sorri

Answer: A. This is a naturally occurring process.

Explanation: "The dredging process combines digging the soil in the water bed and removing or extracting that soil from the excavated surface by creating a vacuum or plain-suction."

compound including glucose The lac operon's expression is changed when the CAP protein attaches to the CAP site.

Bound RNA polymerase is assisted in binding to the lac locus promoter by CAP. There must be lactose available: The lac promoter will be freed from the operator if lactose is accessible by binding of allolactose. This enables the transcription of the operon by RNA polymerase to proceed on the DNA. Two distinct proteins govern the function of the promoter, which manages the lac operon's expression. One of the proteins stops RNA polymerase from trancribing (negative control), while the other improves RNA polymerase's ability to attach to the regulator (positive control). A particular DNA sequence is located upstream of the lac locus operator and promoter, where CAP and cAMP interact. The CAP-cAMP complex subsequently binds to this DNA sequence.

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I attached a pdf below. I hope this helps!

Answer:

near the seafloor spread in the centers or mid-ocean ridges.

Explanation:

The earths crust is the outermost part of the earth

According to the notion of blending, blooms of all intermediate heights should result from crossing short and tall flowers.

Blending refers to the expression in offspring of phenotypic characteristics (such as pink flower color from red and white parents) intermediate between those of the parents as well as inheritance in a now-discredited theory in which the genetic material of offspring was held to be a uniform blend of that of the parents.

Blending is carried out before to spinning and is done to add desirable qualities like strength or durability, to cut costs by combining expensive fibers with less expensive varieties, or to generate specific color or texture effects. Blends are the term for materials constructed from such fibers.

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Glucose and oxygen are the inputs whereas water and carbon dioxide are the outputs of respiration.

The process of obtaining oxygen into the body and emotional greenhouse emission is named respiration. Respiration is simply the movement of oxygen into the body and carbon dioxide emission out of the body.

The primary fuel for respiration could be a molecule of glucose, that is employed to form energy. Within the cellular world, energy could be a charged molecule with 3 phosphate teams referred to as adenosine triphosphate  (ATP). Cellular respiration converts oxygen and glucose into water and carbon dioxide emission. Water and carbon dioxide emission are by- product and adenosine triphosphate is energy that's remodeled from the method.

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The virulence of e. coli o157:h7 is due in part to a pathogenicity island, an element that can best be described as a region of DNA that contains multiple co-transcribed turbulence genes.

Virulence is described as a pathogen's or microorganism's ability to cause damage to a host. In most cases, especially in animal systems, virulence refers to the degree of damage caused by a microbe to its host.

The bacteria bind to the intestinal lining and begin to release Shiga toxin. The toxin, in turn, interferes with protein synthesis in the epithelial cells that line the intestinal lining, leading to cell death, detachment of the mucosa, and eventual bloody diarrhea. This often Causes severe intestinal infection in humans and is the most common strain that causes disease in humans.

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