True or False: Maternal homologous chromosomes are the fathers.

Answer:

Adenine nucleotides are added to the end of the RNA strand, forming a tail.

Answer:

oxygen

Explanation:

Answer:

Both ended without a significant victory for either the Central or Allied powers.

Explanation:

The top two most common cancer diagnoses in males are prostate cancer and lung cancer.

It can be observed that prostate cancer is the most common cancer diagnosis in males followed by lung cancer. The number of new cancer cases in males in 2019 are 174,650 for prostate cancer and 115,610 for lung cancer respectively.

B. The top two most common cancer diagnoses in females are breast cancer and lung cancer. From the graph, we can see that breast cancer is the most common cancer diagnosis in females, followed by lung cancer. In 2019, there were an estimated 268,600 new cases of breast cancer and 111,710 new cases of lung cancer in females.

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The unknown organism that was engulfed by the ancient prokaryote that later became the mitochondrion was most likely an aerobic bacterial cell.

This is because the mitochondrion evolved from a free-living aerobic bacterium that was engulfed by a host cell. This event resulted in the formation of the first eukaryotic cell. Heterotrophic eukaryotes are organisms that cannot produce their own food and must obtain nutrients by consuming other organisms. They are characterized by having a nucleus, membrane-bound organelles, and the ability to undergo mitosis and meiosis. The evolution of heterotrophic eukaryotes is believed to have occurred through a process called endosymbiosis, where one organism lives inside another and both benefit from the relationship.

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Answer:

Topography

Explanation:

I just took the quiz.

Answer: pretty sure it’s topography

Explanation: edge 2021

Answer: Ductility & malleability

Explanation: Ductility is the capability of a material to be deformed or molded without breaking and malleability the ability for a material to be reshaped without breaking. Stepping on gum exemplifies both qualities.

Answer:

malleability and reactivity

During nondisjunction, two gametes contain two sets of chromosome and two gametes does not contain any chromosome. Hence, options A and B are correct.

Meiosis is a type of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this process is necessary.

Cells move through prophase, metaphase, anaphase, and telophase with each round of division.

During nondisjunction, two gametes contain two sets of chromosome and two gametes does not contain any chromosome. Hence, options A and B are correct.

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Answer:

the complementary nucleotide to adenine.

Explanation:

mRNA is formed as a complementary strand to one of the two strands of the DNA. Three of the four nitrogenous bases that make up RNA — adenine (A), cytosine (C), and guanine (G) — are also found in DNA. In RNA, however, a base called uracil (U) replaces thymine (T) as

biology is a branch of science that deals with living organisms and their vital processes.

Answer:

As a field of science , biology helps us understand the living world and the ways its many species (including humans ) function, evolve, and interact. advances in medicine , agriculture , biotechnology, and many other areas of biology have brought improvements in the quality of life

Answer

1.10 X 10^24

Explanation:

Chromosome structures are within cells and people that contained the genes of a cell, such as histones responsible for interacting with the double-stranded mode of organization, in the three levels of condensation, so favorable to the cell, as well as having part together to modulation of gene expression.

DNA is the structure responsible for transmitting all genetic characteristics such as eye, skin and hair color, physiognomy, among others in the process of reproduction of living beings. In this way, the main function of DNA is to carry information contained in its sequences, called genes.

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1. Ectotherms are organisms that rely on external sources of heat to regulate their body temperatures while endotherms produce their body heat internally.

Endotherms consume more energy to keep their bodies at a stable temperature, while ectotherms consume less energy. Both endotherms and ectotherms, on the other hand, require oxygen for respiration, excrete waste, and respond to changes in their environments.

Plants can increase the rate of photosynthesis by reducing the rate of water loss through the process of transpiration. This is accomplished by opening and closing stomata on their leaves, allowing for the exchange of gases such as carbon dioxide and oxygen, as well as water vapor. Different types of plants have developed various techniques for balancing these needs, such as the production of a waxy cuticle, the growth of spines, or the development of fibrous root systems.

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The net glomerular filtration pressure is the force that drives the movement of fluid and solutes from the glomerulus into the Bowman's capsule of a nephron.

It is determined by the balance between the hydrostatic pressure and the colloid osmotic pressure of the blood and the pressure in Bowman's capsule. In this case, the glomerular hydrostatic pressure is 69 mmHg, which is the force generated by the heart to push blood through the glomerulus. The fluid pressure in Bowman's capsule is 15 mmHg, which opposes the flow of fluid from the glomerulus. The plasma colloid osmotic pressure is 30 mmHg, which is the force generated by the proteins in the blood to keep fluid from leaving the capillaries.

To calculate the net glomerular filtration pressure, we subtract the fluid pressure in Bowman's capsule and the plasma colloid osmotic pressure from the glomerular hydrostatic pressure. Thus, the net glomerular filtration pressure in this case is 69 mmHg - (15 mmHg + 30 mmHg) = 24 mmHg. This means that the pressure gradient that drives the movement of fluid and solutes into Bowman's capsule is 24 mmHg, which is sufficient to filter out waste products and excess fluid from the blood to form urine.

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Answer: 5. Amoebocytes have a variety of functions: delivering nutrients from choanocytes to other cells within the sponge, giving rise to eggs for sexual reproduction (which remain in the mesohyl), delivering phagocytized sperm from choanocytes to eggs, and differentiating into more-specific cell types. 6. Sponges form symbiotic relationships with a variety of microorganisms, including bacteria and algae. A symbiotic relationship between organisms is a close ecological association between two species that may be mutually beneficial or may benefit one partner at the expense of the other. However, humans are still damaging sponge populations with weighted nets and even taut fishing lines, which can slice sponges apart by accident. As a rule, anything that can affect the ocean floor will have a negative impact on sponges, as they have never developed protection against impacts. brainliest??

Explanation:

The seven major fish body forms are- fusiform, compressiform, anguilliform, filiform, depressiform, sagittiform, and globiform.

Below are the descriptions of the three body forms and how their physical characteristics are related to their  habitat and niches:Fusiform body form: This body form has a streamlined shape that allows for easy movement through the water. It is most commonly found in open-water fish, such as tuna and mackerel, that need to move quickly to catch prey and avoid predators. Its narrow shape reduces drag, which increases its swimming speed. The fusiform body form is particularly adapted for fast swimming, and it is typically found in fish that are pelagic (live in open water).

Compressiform body form: This body form is flattened from side to side, which gives the fish a ribbon-like appearance. The compressiform body form is well adapted to moving through the water by means of quick, darting movements. They are generally found in areas of shallow water or near the bottom of the sea floor, where they can quickly move to escape danger. For example, eels use the compressiform body form to move quickly through small crevices.Anguilliform body form: This body form is characterized by a long, thin shape that allows the fish to easily move through the water.

This body form is found in fish like eels, which live in narrow spaces such as burrows, rock crevices, or coral reefs. The elongated and flexible body structure of anguilliform fish enables them to move through complex environments easily.In summary, the physical characteristics of fish are related to their habitats and niches. Each of these three body forms is adapted to different environments, from open water to rocky crevices, and each is suited to a different type of swimming or movement.

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A persistent infection is a type of infection that lasts for an extended period in a host. C. Several years

The infection may not cause symptoms initially, and the immune system may have difficulty clearing it from the body. Unlike acute infections that tend to resolve quickly, persistent infections can last for weeks, months, or even years, evading the host's immune system and often resulting in chronic diseases. Examples of persistent infections include tuberculosis, HIV/AIDS, hepatitis B and C, and some types of herpes viruses. Treatment for persistent infections can be challenging and may require long-term use of medications, lifestyle changes, or other interventions to manage the symptoms and prevent the infection from spreading or becoming worse.

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Complete Question

How long could a persistent infection last in a host?

A) Several days

B) Several weeks

C) Several years

D) It varies depending on the type of infection

Answer:

The weight would decrease because there is less gravity on the moon

Explanation:

This is because the acceleration due to gravity on the moon is a third of that on earth

Paleoproterozoic ; Granitic Gneiss

Paleoproterozoic ; Hornblende, Diopside - hornblende

Paleoproterozoic ; Hornblende schist,

Paleoproterozoic ; Magnetite ore

Paleoproterozoic ; late Jurassic syenite

Paleoproterozoic marble and calciphyre

Paleoproterozoic diopside, diopside - phlogophite and diapside - Hornblende .

The earliest of the Proterozoic Eon's three subdivisions, the Paleoproterozoic Era, lasted from 2,500 to 1,600 million years ago. The Paleoproterozoic is the longest geological period in Earth's history. The first time the continents stabilized was during this time period.

The Proterozoic Eon, which lasted from 2.5 billion to 1.6 billion years ago, has three subdivisions, the first of which is the Paleoproterozoic (Ga). The earliest stability of the continents occurred at this time, and cyanobacteria

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Answer:

5000 mg are in 5 g.

Explanation:

Hope this helps!

multiply the mass value by 1000. 5x1000

Answer:

5000 mg

Explanation: you would do 5g X 1000

Answer:

A. Kinetic energy will be half of what it was before.

Explanation:

K.E. =(0.5)*m*v^2

K.E’’= (0.5)*(0.5)*m*v^2

K.E’’= 0.5 *K.E.

Hope this helps! :D

Answer:

cell growth control........

Answer:

hope this will help you

Explanation:

sunlight, water and carbon dioxide helps to produce energy storing carbohydrates.The energy from sunlight drives the reaction of carbon dioxide and water molecules to produce sugar and oxygen, as seen in the chemical equation for photosynthesis.

carbon dioxide + water➡️sugar + oxygen

6co2 + 6 h2o➡️c6h12o6 +6o2

Answer:

vacuole

Explanation:

Vacuoles might store food or any variety of nutrients a cell might need to survive.

Correct Option is B.  The term "respondent" is used to distinguish this type of behaviour from "operant" behaviour, which is influenced by its consequences.

Respondent behavior refers to an automatic and reflexive response that occurs in reaction to a particular stimulus.

It is a behavior that is triggered by an antecedent stimulus and does not involve deliberate decision-making or learning from consequences.

Respondent behavior is characterized by its novelty, as it represents a unique reaction to a specific stimulus. For instance, when a puff of air is directed towards a person's eye, the natural response is an automatic blink.

This blink is considered a respondent behaviour because it is an involuntary reaction that occurs in direct response to the specific stimulus.

In summary, respondent behaviour is an innate and reflexive response to a stimulus, with the term "respondent" highlighting its automatic nature. It is distinct from operant behaviour, which is influenced by the consequences of an individual's actions.

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Answer:

Because, with females, who have two x-chromosomes, meaning both parents (mother and father) have to pass down alleles for the condition, and males only need one parent (mother) to pass down the condition for the male to have the mutation

X-linked conditions appear more frequently in males than in females because:-

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The human DNA analyze is usually conclusive evidence about a crime, since each individual has their unique genetic code. Fritz results were inconclusive, therefore the sample did not showed a result corresponding to the one on the crime scene. In this case Fritz is not guilty of shoplifting.

Fraga et al (2005) found that twins were epigenetically indistinguishable early in life and epigenetic differences accumulated as they aged.

Epigenetic modifications are specific changes in the chemical groups (such as methyl groups) that bind to DNA and histones, which may affect gene expression patterns.

Epigenetic modifications control genes by altering the accessibility of DNA to transcription factors, which represent a fundamental phenomenon capable of regulating gene expression.

In conclusion, Fraga et al (2005) took tissue samples from 40 pairs of monozygotic twins and screened the tissues for DNA methylation and histone modifications to find that the twins were epigenetically indistinguishable early in life and that epigenetic differences accumulated as they aged.

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Tuberculosis may be diagnosed using a(n) on sputum (lung fluid) samples Option D. direct fluorescent antibody test.

Tuberculosis (TB) is due to a bacterium called Mycobacterium tuberculosis. The microorganism generally attacks the lungs, however, TB micro organism can assault any part of the body consisting including the kidney, backbone, and mind. no longer is anybody inflamed with TB bacteria becoming ill.

TB ailment has signs based on where in the frame the TB bacteria are growing. TB bacteria typically develop within the lungs and signs and symptoms can include an awful cough that ultimate 3 weeks or longer, ache in the chest, coughing up blood or sputum, weak spot/fatigue, weight reduction, chills, fever, and nighttime sweats.

A route of antibiotics will commonly need to be taken for 6 months. numerous different antibiotics are used due to the fact a few forms of TB are immune to certain antibiotics.

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