Cho cơ thể có kiểu gen AaBbDDEe tự thụ phấn , xác định tỉ lệ kiểu gen AABBDDEE ở đời con

Answer:

True

Explanation:

One way that a cell maintains homeostasis is by controlling the movement of substances across the cell membrane. The lipid bilayer is selectively permeable to small, nonpolar substances. Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.

Before converting protein to glucose or fat, the amino group must be removed.

Proteins are composed of amino acids, and when the body needs energy, it can convert proteins into glucose through a process called gluconeogenesis or into fat through lipogenesis. However, before proteins can be utilized in these metabolic pathways, the amino group \((-NH_2)\) needs to be removed. This process is called deamination.

Deamination occurs primarily in the liver. The liver enzymes remove the amino group from the amino acids, resulting in the formation of ammonia \((NH_3)\). However, ammonia is toxic to the body, so the liver converts it into a less toxic substance called urea. Urea is then transported to the kidneys and excreted from the body through urine.

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Answer:

An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.

:

The phosphodiester linkages of the polynucleotide backbone would be broken.

The enzyme restriction endonuclease is used to break down DNA at specified locations. Nuclease is another name for nucleo depolymerase. The phosphodiester bond that exists between the nucleotides in nucleic acids is cleaved during the breakdown of nucleic acid into nucleotides. It is possible that the DNA will be contaminated. UV light, ionising radiation, and genotoxic compounds are examples of environmental agents.

Damaged DNA can cause replication forks to halt, as well as double strand breaks are another type of DNA damage. When DNA is treated with enzymes that catalyse the breakage of phosphodiester links between all neighbouring nucleotides, the two strands of DNA are completely broken down into individual nucleotides.

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Answer:

1. THE DESERTS -DEFINITION. -FEATURES. -BIOTIC AND ABIOTIC FACTORS THAT INFLUENCE DESERT BIOME. -MOST REPRESENTATIVE DESIERTS IN OUR PERU. DELGADO ENVIRONMENT ELERA, REYNER San José de Moro, September 2014

2. DESERT  A desert is an area of ​​the earth's surface totally or almost totally uninhabited.  A desert can be a sandy or stony terrain that lacks vegetation due to low rainfall.  The harsh environmental conditions mean that these deserts have little stable population DELGADO ELERA, REYNER. CHARACTERISTICS OF THE DESERTS.  Temperatures are generally high, but nights can be cold.  Its climate is extreme with temperatures of 50 ° C during the day and –20 ° C at night.  It is the ecosystem that presents water scarcity.  The ground is covered with sand as a result of the disintegration of rocks. The relief presents plains, dunes and in some places oases.  There are counter winds and rains are very scarce.  Deserts form the largest area of ​​the earth's surface. BIOTIC AND ABIOTIC FACTORS THAT INFLUENCE DESERT BIOMA  BIOTIC FACTORS THAT INFLUENCE DESERT BIOME These are the living beings of an ecosystem that survive. They can refer to the flora, fauna, humans of a place and their interactions. Individuals must have specific behavior and physiological characteristics that allow their survival and reproduction in a defined environment. The condition of sharing an environment engenders a competition between species, given by food, space, etc. Depending on the region: In the desert only some animals manage to survive: camels, lizards, spiders, owls, rats, kangaroo, mice, a variety of snakes, hawks, scorpions, birds, squirrels among others. In the same way, in the fauna, only some plants manage to survive. These protect themselves from other animals with the thorns they have and with their thick layer of skin, some of them are: cactus, palm trees, nopales, bushes, grasslands, weeds in oases, etc.

3. Plants and animals that live in the desert are conditioned to withstand extreme temperatures with minimal water.  ABIOTIC FACTORS THAT INFLUENCE DESERT BIOME Abiotic means lifeless. They are the different components that determine the physical space in which living beings inhabit; among the most important we can find water, temperature, light, soil, humidity, air and nutrients. They are the lifeless factors. Deserts are known for their extreme abiotic factors. Varied temperature and scarce fluvial precipitation. Sunlight, climatic factors such as: humidity (very low) and temperature (high during the day, very low at night); rocks, sand or very dry soil, atmospheric gases, very strong barometric pressure. Rocky terrain, wind processes are important factors in the formation of the landscape. They have an average rainfall of 200 to 500 mm per year. MOST REPRESENTATIVE DESERTS OF PERU 1. DESERT OF SECHURA  One of the most representative deserts of Peru is that of Sechura, located in the northwest of Peru, just between the Lambayeque and Piura regions having a length of 150 kilometers by a width of 100. It is located 55 km southwest of the city of Piura. It is the widest area of ​​the coastal desert in Peru, it has an area of ​​more than 5000 square km.  This desert is an arid plateau formed by materials from the Tertiary, with little vegetation, which includes several intermittent lagoons. The aridity of the climate and the unproductive soils limit the settlement of the population, except in the oases that constitute the mouths of the Piura rivers, to the north, and Lambayeque, to the south; agriculture is possible in these areas. DELGADO ELERA, REYNER

Explanation:

Answer:

its sand ok that the an6

The form of histidine at pH nine is the deprotonated form.

Histidine is one of the amino acids that exists. Let us recall that amino acids  have both carboxylic groups and the amine groups. These are positioned in a way that gives the amino acids their nature. We know that there is the possibilities of the formation of zwitterions in an amino acid.

The form that the amino acids takes depends on the pH. At a higher pH, the carboxylic group is deprotonated while the protonated form remains at a low pH.

Hence, the form of histidine at pH nine is the deprotonated form.

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Systems can be found in various domains, such as biology, ecology, society, information, and the physical world. Examples include the nervous system, ecosystems, economic systems, computer networks, and the solar system. Systems consist of interconnected elements working together to fulfill a common purpose.

Systems are structures or sets of interconnected elements that work together to achieve a common purpose. There are various types of systems found in different domains. Here are a few examples:

1. Biological Systems:

  - The nervous system: It includes the brain, spinal cord, and nerves, which work together to transmit signals and coordinate bodily functions.

  - The cardiovascular system: It consists of the heart, blood vessels, and blood, responsible for circulating oxygen, nutrients, and hormones throughout the body.

2. Ecological Systems:

  - Ecosystems: A complex system comprising living organisms (plants, animals, microorganisms) interacting with their physical environment (soil, water, climate) in a specific geographical area.

  - Food webs: Systems that depict the interconnectedness of various organisms in an ecosystem through their feeding relationships.

3. Social Systems:

  - Economic system: A network of individuals, organizations, and institutions involved in the production, distribution, and consumption of goods and services within a society.

  - Political system: Structures and processes through which a society governs itself, including institutions, laws, and decision-making mechanisms.

4. Information Systems:

  - Computer networks: Interconnected devices and communication protocols that enable the exchange of data and information between computers.

  - Database systems: Organized collections of data and software designed to efficiently store, retrieve, and manage large amounts of information.

5. Physical Systems:

  - Solar system: A system consisting of the sun, planets, and other celestial bodies held together by gravitational forces.

  - Climate system: The interactions between the atmosphere, hydrosphere, biosphere, and geosphere that influence long-term weather patterns and climate conditions.

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The statement you provided suggests that the inheritance of one gene's allele does not affect the selection or transmission of another gene's allele.

In other words, the alleles of these two genes segregate independently during the formation of gametes.

This concept is known as Mendel's Law of Independent Assortment. According to this law, during gamete formation, different genes located on separate chromosomes or far apart on the same chromosome assort independently of each other.

Therefore, the allele received for one gene has no direct influence on the selection or inheritance of alleles for other genes.

The principle of independent assortment is an essential component of understanding genetic inheritance patterns and the diversity of traits observed in offspring.

However, it should be noted that the principle of independent assortment may not hold true for genes located close together on the same chromosome, as they may exhibit linkage and be inherited together more frequently.

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Answer:

False

Explanation:

Photosynthesis is the light dependant one. Without light, it can't occur. The Calvin cycle on the other hand is the light-independent reactions in photosynthesis. While it is not directly dependant on the light it is still independently dependant on it because the necessary energy carriers are products of other light-dependent reactions.

This is really late but uh

The answer is A. (Looked it up)

The answer to the riddle is probably that the guy was the sister's husband :P

Answer:

its C oddessyware says A is wrong

Explanation:

We can deduce from the list of chromosomes and the aforementioned question that we should expect 15% recombination between the W and G genes since the map distance between them is equivalent to 15 centimorgans. It's a choice (B).

The unit for describing a 1% recombination frequency used to measure map distance is the centimorgan (cM). The lowest frequency of recombination, or 3%, is predicted to occur between W and E based on this criterion, we can deduce. Assume P is the epistatic gene in charge of regulating the development of the tail.

The male lacks a tail and is recessive homozygous for the tail length gene, so the genotype of the male is PPtt, in accordance with the question, and the genotype of the female is ppTT. The dominant epistatic allele P specifies that there is no tail formation in the female, who has a long tail. The genotype PpTt and phenotype "no tails" are present in the offspring that is born following mating. Two springs with the same PpTt genotype are being crossed right now. In order to determine the resulting ratio, Punnett square can be used.

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Complete question is " The following is a map of four genes on a chromosome. A---5--W--3--E------12------G. Between which two genes would you expect the highest frequency of recombination?

a. A and G

b. W and G

c. W and E

d. A and W

e. E and G".

Answer:

I think a finger print.

Fingerprints will be the most useful in identifying the person who committed the crime.

In a crime scene, fingerprints are the impressions of finger ridges left on the surface of an entity or area.

No two people can have the same fingerprints. No two fingers from the same person can produce the same fingerprint. In identical twins, these are not found to be similar.

Thus, the most useful in identifying the person who committed the crime are fingerprints as it can be obtain from any surface.

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Answer:

Photosynthesis is the conversion of light energy into chemical energy by living organisms. The raw materials are carbon dioxide and water; the energy source is sunlight; and the end-products are oxygen and (energy rich) carbohydrates, for example sucrose and starch

Explanation:

Answer:

continuous transcription of the operon's genes

Explanation:

First transcribed strand:

UAUGGCUAGCCUGA

Second strand:

AGUAGCCUAUGCGCG

Third strand:

GCCUAGGUCAGUCU

Answer:

     TATGGCTATGCCTGA

     AGTAGCCTATGCGCG

     GCCTAGGTCAGTGAT

The starting point that would generate the longest polypeptide during translation would be the first AUG codon. This is because AUG not only codes for the amino acid methionine but also serves as the initiation (start) codon for translation, which establishes the correct reading frame.

The most common start/initiation codon is "AUG". The start codon defines the first codon of an mRNA transcript that a ribosome will translate. In eukaryotes, it codes for methionine, but in prokaryotes, it codes for a modified Met. A codon that specifies the amino acid methionine. There are 64 potential codons, three of which do not encode amino acids but instead signify the end of a protein. The remaining 61 codons are responsible for specifying the 20 amino acids that comprise proteins. The starting point that would generate the longest polypeptide would be the first "g" because it is typically the start codon for translation. The start codon initiates the process of translation, where the mRNA is read in triplets called codons and each codon specifies a specific amino acid to be added to the growing polypeptide chain. Therefore, starting the reading frame for translation at the first "g" would result in the most efficient translation and ultimately the longest polypeptide.

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Answer:

idontknow

Explanation:

Answer:

A missense mutation

Explanation:

A missense mutation is when the change of a single base pair causes the substitution of a different amino acid in the resulting protein.

During prophase I, crossing-over sometimes occurs between nonsister chromatids of a tetrad.

Prophase I is the first stage of meiosis I, which is the process of cell division that produces gametes (sperm or eggs) in sexually reproducing organisms. During prophase I, several important events occur:

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In the equation E = hf, where E represents the energy of a photon and f represents the frequency of the associated wave, the incorrect statement is: "The energy of a photon is directly proportional to its frequency."

In reality, according to the equation, the energy of a photon is directly proportional to its frequency. This relationship is derived from Planck's constant (h), which is a fundamental constant in quantum physics. As the frequency of a photon increases, its energy also increases proportionally. This relationship is consistent with experimental observations and is a fundamental principle in the field of quantum mechanics.

Therefore, the correct statement would be:

"The energy of a photon is directly proportional to its frequency."

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Answer:

The correct answer would be - Having reliable access to food and being able to produce more calories per unit of land available led to population increase.

Explanation:

An increase in disease, sedentary agriculture, and increase in environmental degradation are three problem that is associated with the farming.

There are more benefits to continue agriculture is the ability of human kind to produce a food and access to plenty of food consistently which will led to increase the population.

Thus, the correct response would be - Having reliable access to food and being able to produce more calories per unit of land available led to population increase.

Answer:
A universal common ancestor (UCA).

Explanation:
According to Darwin, all life on Earth evolved from a universal common ancestor; that is, the very first organism on Earth. If you pick any living plant or animal on Earth and trace its lineage back far enough, billions of years ago, you will eventually find the UCA. Every species on Earth is united to every other species through their connection with the UCA.

The UCA itself was probably a single-celled organism of some kind and died about 4.1 billion years ago. But through it, every species, be it human, dog, tree, or mushroom, shares this one ancestor with everyone else.

Species also have what's called a lowest common ancestor with each other, much more recent than the UCA. For example, the LCA between humans and chimpanzees probably lived and died around 4 million years ago.

A normal cell has a(n) limited lifespan, while a cancer cell has a(n) unlimited lifespan. So the correct answer is:

Your answer: a. limited; unlimited

Normal cells are very different from cancer cells. Find out more about the variations between them.

Growth

After there are enough cancer cells present, the cells keep multiplying. A tumour develops as a result of this cell clustering and proliferation.

When there are sufficient cells, normal cells stop proliferating.

Communication

When other cells signal expansion, cancer cells do not respond.

In turn, normal cells react to these signals and stop developing.

Repair of Cells

When cancer cells become damaged or old, they cannot repair themselves.

When healthy, normal cells can repair themselves or even die off.

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Answer:

Animal

egg

plant

Flower

seed

Fruit

Explanation:

A equivalent side's apex and middle will now be interconnected by a line of symmetry. There is sevenfold symmetry.

The line of parity that reflects the item and makes it look identical to the original is referred to as reflective symmetry. There have been seven connections of symmetry in a heptagon. In a heptagon, the sides and angles all equivalent. Each vertex and the centre of a regular heptagon are where the thread of symmetry crosses.

Oval shape polygons are triangles without reflection symmetry. Rhombi, equilateral triangular prism, kites, and (fresnel) deltoids being examples of squares and circles exhibiting reflection symmetry. Every even-sided polygon has two straightforward reflects forms, one with reflection lines running through the vertices and the other via the edges.

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Answer: C. A line of symmetry will connect a vertex and a midpoint of an opposite side. and D. It has 7-fold symmetry.

Explanation: RIGHT ON EDGE 2023

Answer:

answer should be "carbon dioxide"

sorry if I’m wrong! Hope it helped

Answer:

Well for instance, DNA polymerase is an enzyme that assists in the replication process by catalyzing the addition of nucleotides to the growing chain of DNA.

Answer:

Explanation:

Hemophilia is a sex- linked recessive trait which means that the disease is carried on the sex chromosomes. Females are always represented as, XX. Males are always represented as XY. In this problem you had to cross a carrier female and a normal male. A carrier is a person who carries he disease but doesn't have the disease as it has another dominant allele to mask the recessive allele. Hemophilia is represented as x^r. Down below I have linked the Punnet square to represent the cross.  

Genotype Ratio: 1:1:1:1

All the genotypes (actual genes present) are different in all the possible offspring.

Phenotypic Ratio: 3:1

75% of the offspring will NOT have hemophilia, however there is a 25% chance that an offspring can have hemophilia. (3 represents the offspring with hemophilia, and 1 represents the offspring with hemophilia.)

Also none of the females in this situation can have hemophilia, however, one of the females can be a carrier for the disease. One of the males, however, can inherit the disease.