Determine whether each statement below describes traditional or modern classification.
A based on similar appearance
based on evolutionary relationships
Aknown as Chadistics
known as Linnaean classification
DONE
1
Intro

Answer AND Explanation:

In man, codominance is seen in the inheritance of the ABO blood group alleles. the trait is controlled by more than two alleles for the same gene within a population. Such alleles are called multiple alleles and they occupy the same locus on homologous chromosomes.

Sickle cell anaemia is a disease of the humans which is inherited  in an incomplete dominance way. The disease is transmitted through a recessive gene that leads to the synthesis of abnormal haemoglobin. In sickle cell anemia patients, haemoglobin A is entirely replaced by a different type called haemoglobin S.

The upper region of the dermis characterized by parallel rows of tiny bumps is known as dermal papillae. So the correct option is A.

Skin is the largest organ of the body. It protects against various agents including abnormalities of the temperature, germs, etc. It also helps in identifying the feeling of tactile sensations.

There are three layers of tissue that form the skin. These are

The epidermis cells are majorly made up of the protein keratin. The dermis layer is the thickest layer forming 90% of the skin. The hypodermis is majorly made by fatty tissues.

The dermis layer is richly supplied with blood vessels, connective tissues, sweat glands, hair follicles, etc.

It has two main layers. The upper layer is called the dermal papillae and the lower layer is called the reticular dermis.

Therefore the correct option is A.

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Answer:

The risks of various pollution and infections increase with urban sprawl.

Urban sprawl can be described as a condition in which the people from urban area migrate to low residential areas due to which the city starts to expand more in size.

During urban sprawl, more water contamination is likely to be caused as the water available cannot support such a large number of migration. There is not proper sewage system due to which contamination arise and cause sickness in the people. Also, these areas have more pollution due to traffic jam situations which causes sickness.

Answer:

The physical health risks that are directly associated with urban sprawl is pollution and infections.  During an urban sprawl, there are increased chances of water pollution and poor drainage system which can ultimately affect a population because the water can release toxins into one's body, which can cause diseases and illnesses. The respiratory system will get affected because when there is a population increase, the amount of air pollutants release would increase giving chances to lung cancer and breathing problems. 

Answer:

Explanation:

. An unsound spine

Problem: Our spines are a mess. It’s a wonder we can even walk, says Bruce Latimer, director of the Center for Human Origins at Case Western Reserve University, in Cleveland. When our ancestors walked on all fours, their spines arched, like a bow, to withstand the weight of the organs suspended below. But then we stood up. That threw the system out of whack by 90 degrees, and the spine was forced to become a column. Next, to allow for bipedalism, it curved forward at the lower back. And to keep the head in balance—so that we didn’t all walk around as if doing the limbo—the upper spine curved in the opposite direction. This change put tremendous pressure on the lower vertebrae, sticking about 80 percent of adults, according to one estimate, with lower back pain.

cellular respiration releases the greatest amount of energy or ATP.

Explanation:

In cellular respiration 38 ATPs in the process. 4 molecules of ATP are formed in glycolysis, 32 molecules in Oxidative phosphorylation.

alcoholic fermentation: 2 ATP is formed

lactic acid cycle: 2 ATP is formed

photosynthesis: does not produce ATP instead ATP formed from the glucose formed is used in the process.

Cellular respiration (correct answer)releases the greatest amount of ATP. Compared to alcoholic fermentation, the lactic-acid cycle, and photosynthesis, it is the most efficient process for ATP production.

The process that releases the greatest amount of ATP is cellular respiration(correct answer). Cellular respiration is a set of metabolic processes that take place within the cells of organisms to convert biochemical energy from nutrients into ATP, and then release waste products. The reactions involved in respiration are catabolic reactions, which break down large molecules into smaller ones, releasing energy in the process.

Alcoholic fermentation, the lactic-acid cycle, and photosynthesis all produce ATP, but not as much as cellular respiration. Alcoholic fermentation and the lactic-acid cycle are both anaerobic processes, which do not use oxygen and consequently generate ATP less efficiently. Photosynthesis, while crucial to life on Earth, consumes energy to build complex molecules and supports the energy needs of cells indirectly.

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Explanation:

The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Further Explanation:

Photosynthesis is a chemical pathway, integral to plant and other primary producers producing energy. Energy is produced from light, water and carbon dioxide in the form of glucose molecules while the oxygen is emitted.

Photosynthesis, which occurs in several complex steps, is a rate-limited reaction, depends on several factors including concentration of carbon dioxide, ambient temperature, and light intensity; energy is recovered from photons, i.e. light particles, and water is used as a reducer. For those removed from photosystem II, water supplies the chlorophyll in plant cell with replacement electrons.

Therefore, water (H2O) split into H+ a by light during photolysis into H+ and OH-acts as a source of oxygen along with functioning as a reducing agent; it reduces the molecule NADP to NADPH by providing H+ ionsand produces molecules of the energy storage moleciule ATP through an electron transport chain. This occurs in the thykaloids, where pigment molecules like chlorophyll reside.

Later, in dark reactions, NADP and NADPH are used in the Calvin cycle where monosaccharides or sugars like glucose are produced after the modification of several molecules. These hold energy in their bonds, which can be released in respiration in the mitochondria.

Glucose production occurs after G3P production- a molecule of G3P, goes to the cytoplasm from the cycle, to form complex molecules and simple sugars like glucose.

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Answer:

it would be

Explanation:

C.

Final answer:

The pulmonary vein carries oxygenated blood from the lungs back to the heart. It is part of the pulmonary circulation that includes the heart and lungs, ensuring the blood becomes oxygenated before being pumped to the rest of the body.

Explanation:

The pulmonary vein performs a vital function in the human body's circulatory system. Specifically, option C is correct: it brings oxygenated blood from the lungs to the heart. Unlike other veins, the pulmonary veins are unique in that they carry oxygen-rich blood. The pathway of blood through the heart and to the body is critical to understand, especially when considering the pulmonary and systemic circuits. The pulmonary circulation is a section of the circulatory system which solely involves the heart and lungs. The right ventricle of the heart pumps deoxygenated blood into the right and left pulmonary arteries, which then transport this blood to the lungs where it becomes oxygenated. The oxygen-rich blood returns to the heart via the pulmonary veins, specifically the right and left pulmonary veins, which enter the left atrium of the heart.

The correct order of how blood flows from the heart out to the body and back again follows this sequence: The blood exits the heart through the aorta, travels through arteries, moves into capillaries, progresses through venules, and returns via veins.

Answer:

Bill should classify the organism as a bird.

Explanation:

It would be right for Bill to classify the newly discovered organism as a bird. This is because the birds are a category of animals which have feathers as well as hollow bones. As for the flying criteria, not all birds belonging to this category can fly. For example, ostrich and kiwi cannot fly but yet still belong to the category of birds, Hence, this newly found organism can be classified into birds as it has feathers and hollow bones.

Answer:

A

Explanation:

Bacterial cells are easy to grow, maintain, and manipulate in a laboratory

Answer:

a

Explanation:

Answer:

The correct answer is : sustainable use

Explanation:

Answer:

to verify their result

Explanation:

When scientists publish their results

it gives room for other scientists to test it out and see if the work is true

Answer:

Geographical variation refers to differences among populations in genetically based traits across the natural geographic range of a species. ... In the simplest case, we divide these factors into purely genetic versus environmental components to tease apart their relative contributions to observed phenotypic variation.

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Answer:

The process of creating a current in a circuit by changing a magnetic field - electromagnetic induction.

Explanation:

The electromagnetic induction discovered by Michael Faraday, is a process that generates current or voltage in a conductor by placing the conductor in a changing magnetic field.

Here, the magnetic lines of force are applying a force on the free electrons in the conductor and causing them to move. The conductor must be perpendicular to the magnetic lines of force in order to produce the maximum force on the free electrons. There is no physical connection between the conductor and the magnet and the current is said to be induced in the conductor by the magnetic field.

The direction of the induced current is determined by the direction of the magnetic lines of force and by the direction the conductor is moving in the field. The applications of electromagnetic induction include inductors, transformers, electric motors, and generators.

Final answer:

Electromagnetic induction is the process where a changing magnetic field induces a current in a conducting path, such as a wire, described by Faraday's law. Essential in many technologies, it enables the functioning of generators, transformers, and various electronic devices.

Explanation:

Electromagnetic Induction

The process of creating a current in a circuit by changing a magnetic field is known as electromagnetic induction. This phenomenon occurs when a conducting path, such as a wire, is present in a changing magnetic field, leading to the generation of an induced current. The foundational principle behind this is Faraday's law of induction, which indicates that a change in magnetic flux through a circuit produces an electromotive force (EMF), hence inducing a current.

Electromagnetic induction is the basis for many technologies we use every day. For example, it is the operating principle behind electric generators, which convert mechanical energy into electric energy. Moreover, devices like transformers, used to step up or step down voltage levels, and various consumer electronics, like credit card readers and electric guitars, rely on this principle.

Overall, electromagnetic induction is pivotal to the functionality of electrical machines and the behavior of AC circuits. It is integral not only in power generation but also in various applications such as sensing, signal processing, and energy transfer.

Answer:

To predict the results of the offspring from a cross between brown heterozygous rabbit and a white homozygous rabbit, a punnet square can be drawn as follows:

        b        b

B   Bb         Bb

b   bb         bb

The results from the punnet square show that there is 2:2 ratio that the offspring will be brown coloured or white coloured. The genotype of the rabbits will either be heterozygous brown i.e Bb or homozygous white bb.

there is a 50% chance that the offspring will be brown rabbit and there is also a 50% chance that the offspring can be a white rabbit.

For the offspring produced, the genotypes are Bb and bb; the phenotypes are two brown and two white; while the percentage of brown and white rabbits is 50% each.

Genotype refers to the sum total of the genetic composition of an organisms.

Phenotype refers to the physical expression of the genotype of an organism.

The cross is shown below:

Bb × bb = Bb, Bb, bb and bb

The genotypes are Bb and bb

The phenotype is two brown and two white.

The percentage of brown and white rabbits is 50% each.

Therefore, the genotype and phenotype of the the offspring are based on the dominant and recessive traits inherited from parents.

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Answer:

first, let's begin with plants they take in sunlight, water, and carbon then they turn that into glucose a by-product is oxygen so oxygen is released as the process of photosynthesis after you have that then we can get to animal process the animal breaths in give the lungs oxygen from the plants as the animal uses the oxygen it turns it into a by-product as well normally carbon we do this just to make ATP to function and you can feel how bad it is when your muscle cells don't have oxygen fully.

Explanation:

sunlight, water, and carbon are absorbed by a plant to make glucose then the animal absorbs the oxygen to do basic functions and release carbon and the process begins anew.

Answer:

A. Opposable thumbs

B. Depth perception

C. Maternal care

D. Large brains

Explanation:

Opposable thumbs --> Primates have opposable thumbs and refined hand and foot development . An opposable thumb is able to be moved opposite the fingers of the same hand in order to better grasp objects. This is an adaption for an arboreal, or tree-dwelling, lifestyle because it helps the primates have strong grips on the branches.  Raccoons, dogs, and other non-primate mammals do not have opposable thumbs. This means they cannot move the thumb opposite the fingers of the same hand to grasp things tightly. This is why your dog would have trouble holding and manipulating a small object like a door key with his paws.

Depth perception --> Primates have an increased reliance on sight and decreased reliance on smell, compared to other mammals.  The eyes are large and forward facing, which provides better depth perception. The nostrils are smaller in relation to the face than in many other mammals.

Maternal care --> Primates have a smaller litter size, longer gestation, and extended period of juvenile growth compared to other mammals.  Most primates have one or two offspring at a time. They also exhibit increased periods of maternal care for their young compared to that of other animals.

Large brains --> Primates have relatively large brains. Primates have larger brains, relative to their body size, than most other mammals.

Answer:

The sample a which is solid at 20°C is "Iodine"

The sample b which is liquid at 20°C is "Bromine"

The sample c which is gas at 20°C is "Chlorine"

Explanation:

Iodine : It starts melting at 113.7°C, so the solid sample found is the iodine. Iodine is present in both solid as well as in vapor state.  Basically it is kept in closed jars. Only when it reaches the temperature above the melting point is starts melting.

Bromine: It is a non metallic element that is present in the liquid state, being a member of halogen group. It is heavy, mobile and dangerous reddish brown liquid. It is corrosive in nature, when comes in contact with human tissue and causes irritation in eye when comes in contact with its vapor.

Chlorine: In room temperature it is gas, as it has weak intermolecular interaction which fails to keep the molecules closely attached.

The physical state of a substance at room temperature depends on its atomic or molecular properties. From the given information, Sample A could be Iodine (solid), Sample B could be Bromine (liquid), and Sample C could be Chlorine (gas). However, the actual identity of the samples could vary and rely on knowing the physical state of various elements and compounds at room temperature.

The nature of substances at room temperature, typically around 20°C, determines whether substances are solid, liquid, or gas. For instance, the nature of certain substances at room temperature is as follows:

From this information, we can infer that sample A (solid at room temperature) could be Iodine, sample B (liquid at room temperature) could be Bromine and sample C (gas at room temperature) could be Chlorine.

Note that this is a general example, the actual identity of the samples can vary as many substances can exist as solids, liquids, and gases at room temperature. The key to identifying the samples is understanding the physical states of elements and compounds at room temperature.

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It can be answered through an investigation.

Explanation:

The question ''Which of the Great Lakes is the largest body of water'' is a good scientific question because it is a question that can be answered through investigation. To answer this question, a scientist, or a person that has it as an interest simply needs to go on terrain and do the research, or can simply acquire data that is already collected. Through it, it can be determined which of the Great Lakes is the largest body of water, which is the second largest etc.

The five Great Lakes are:

There are five lakes that consist the Great Lakes, and all of them have formed in the same period and through the same process. The lakes all have glacial origin, and all of them have formed when the last Ice Age ended. The largest of the Great Lakes is Lake Superior, while the smallest is Lake Ontario.

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Answer:

A is the answer :)

Explanation:

Answer:

Watt

Explanation:

The SI unit of intensity is the watt per square meter.

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Answer:

Decibel

Explanation: edge2020

Answer:

Proteins, Nucleic Acid, Carbohydrates & Lipids.

Explanation:

Proteins are made of amino acids and are a key component of the human body, as well as enzymes.

Nucleic Acid are made of nucleotides and can be found in DNA and RNA.

Carbohydrates are made of glucose, the sugar and starch in food.

Lipids made of glycerol, fatty acids for example, oil.

Here is picture of the 4 macromolecules and their structures.↓

Answer:

Robert Hook is the answer

Spontaneous recovery in classical conditioning occurs when a conditioned stimulus is reintroduced after a rest period and the previously extinguished conditioned response reemerges.

Spontaneous recovery can occur under specific conditions within the domain of classical conditioning. After a conditioned response has been extinguished through the process of presenting the conditioned stimulus without the unconditioned stimulus, spontaneous recovery may take place. If there is a rest period following extinction, the introduction of the conditioned stimulus again can lead to a sudden reappearance of the conditioned response. This phenomenon is not due to latent learning or systematic desensitization, nor is it related to the extinguishing of the unconditioned stimulus. Instead, it is directly tied to the reappearance of the conditioned stimulus after a period of time. Spontaneous recovery shows that the association between the conditioned and unconditioned stimuli is not completely erased during extinction but has weakened and can be quickly relearned.

Answer:

active

Explanation:

Using energy, active transport is the process of moving materials into, out of, and between cells.

Passive transport, which utilizes no energy, can be used in some circumstances to move substances. The cell must frequently move elements against their gradient of concentration, though. Active transportation is necessary in these situations.

Most frequently, a transport protein that attaches to the chemical known as adenosine triphosphate, the cell's "fuel," changes shape to carry out active transport (ATP).

In some circumstances, energy-free passive transport can be used to achieve this.

Therefore, the cell frequently needs to transfer an object against its concentration gradient. Active transportation is necessary in these situations.

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Answer:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells.

Explanation:

Answer:

1 and 5 if you don't feel like reading

Explanation:

amos ethamig

Answer: Molecular Oxygen (O2) and Hydrogen Sulfide.

Explanation:

A hydrogen bond is defined as the electrostatic attraction between an electrically negative atom and a hydrogen atom attached by a covalent bond to another electronegative atom. This bond is strong due to the number of atoms that bind, but weaker than a covalent bond or an ionic bond.

The atoms with the most significant negative electrical force are oxygen, fluorine, and nitrogen.

An example of a chemical structure formed by a hydrogen bond is water. The water is formed by two hydrogen atoms and one oxygen atom. Due to the majority of hydrogen atoms present in the water structure, it is possible to join other molecular structures such as fluorine.

I hope this information can help you.

Hydrogen sulfide can potentially form weak hydrogen bonds with water due to the presence of hydrogen atoms bonded to an electronegative sulfur atom, whereas methane and molecular oxygen cannot participate in hydrogen bonding with water.

A hydrogen bond is a type of intermolecular force that occurs when a hydrogen atom, covalently attached to a highly electronegative atom such as nitrogen (N) or oxygen (O), is attracted to a lone pair of electrons on another electronegative atom in a neighboring molecule. Among the substances listed (methane (CH4), molecular oxygen (O2), and hydrogen sulfide), hydrogen sulfide has the potential to form hydrogen bonds with water because it contains hydrogen atoms directly bonded to an electronegative sulfur atom. Methane, on the other hand, consists of hydrogen atoms bonded to carbon, which is not sufficiently electronegative to create hydrogen bonds. Molecular oxygen does not have hydrogen atoms and thus cannot participate in hydrogen bonding as a hydrogen bond donor. However, it is important to note that hydrogen sulfide's hydrogen bonding is much weaker compared to that of water due to the lower electronegativity of sulfur compared to oxygen. This affects the degree to which hydrogen sulfide can form hydrogen bonds with water.

Answer:

The correct option is B) Anticodon

Explanation:

An anticodon can be described as a three nucleotide sequence which is complementary to the mRNA. Based on the anti codons, amino acids are formed which join by polypeptide bonds to form proteins. Hence, option B is correct.

Option A is not correct because a codon is a sequence of three nucleotides which is complementary to the DNA bases. The codon will make up the prescribed mRNA.

"Large molecules such as hormones" types of materials are expelled from cells during exocytosis.

Answer: Option A

Explanation:

The mechanism whereby a cell transfers secretory products to the plasma membrane via the cytoplasm is termed as "exocytosis" while material passage into the cell is known as "endocytosis". Exocytosis is need for removing waste material from cell.

In exocytosis, mechanism huge quantity of molecules which means bulk transport is performed.Responsible for secretion of digestive enzymes and hormones. In this process, membranes-bound secretory vesicle pass to the cell membranes while their material like water-soluble molecule get secreted in the extracellular atmosphere.

Parasitism, mutualism, and commensalism are types of symbiotic relationships and can be represented by '+/-', '+/+', and '+/0' respectively, indicating the effect of the relationship on each organism.

The forms of symbiotic relationships, including parasitism, mutualism, and commensalism can be distinguished by the effect they have on the organisms involved. Parasitism can be symbolized with a '+' for the parasite and a '-' for the host, indicating that the relationship is beneficial for the parasite but harmful to the host. Mutualism can be represented by a pair of '+', or '+/+', indicating that both organisms benefit. Commensalism could be shown by '+/0', meaning one organism benefits and the other is neither helped nor harmed in the relationship.

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Parasitism is a symbiotic relationship where the parasite benefits at the expense of the host. Mutualism is a symbiotic relationship where both organisms benefit. Commensalism is a symbiotic relationship where one organism benefits, and the other is neither harmed nor benefited.

In biology, parasitism, mutualism, and commensalism are three types of symbiotic relationships that describe interactions between two organisms where at least one organism benefits.

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