which hemoglobin genotype has the highest fitness in an area of high malaria infection? a. hbaa b. hbas c. hbss d. all are equal

Answer:

alllowing it to receive electricity from gasoline-powered engines

Explanation:

i guessed and got it wrong to see the answer... just for you guys

Drew's modifications to the vacuum cleaner to receive electricity from the gasoline-powered engine will reduce the effectiveness of his device. The correct option is C.

Thus, the modification of the vacuum cleaner to receive electricity from the gasoline-powered engine suggests that the device is recycling the same pollutants it was designed to trap.

This will make the device ineffective in reducing the number of pollutants in the air. If the vacuum cleaner receives electricity from the same engine that produces the automobile exhaust, then it cannot be removing the pollutants from the air. Instead, it is simply recycling the same air and pollutants, which means that the effectiveness of the device is compromised.

However, the rubber fitting and adjustable clamp allow the hose of the vacuum cleaner to attach securely to the automobile exhaust pipe, and the specially designed air filter is used to trap the pollutants.

Thus, the ideal selection is option C.

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Answer:

The cerebral cortex, or the outer layer of the cerebrum

Explanation:

Answer:

# Diffusion is a down hill process.(flow is from higher concentration to lower concentration)

# It does not require energy.

but,

# Active transport is a uphill process.(flow is from lower concentration to higher concentration)

# It requires energy.

Two features of diffusion that do not apply to active transport are:

Diffusion is a process by which molecules move from an area of high concentration to an area of low concentration, until they reach a state of equilibrium where there is no further net movement of molecules.

This occurs because molecules are in constant random motion, and they will naturally move from areas where they are more concentrated to areas where they are less concentrated. This process does not require energy input, and it will continue until the concentration of molecules is the same throughout the system.

Active transport, on the other hand, is a process by which molecules are moved across a membrane against their concentration gradient, from an area of low concentration to an area of high concentration.

This process requires energy in the form of ATP, which is used to pump molecules or ions against their concentration gradient. Active transport is able to move molecules or ions against their concentration gradient because it uses energy to change the shape of transport proteins in the membrane, allowing them to move molecules against their concentration gradient.

Therefore, two key features of diffusion that do not apply to active transport are that diffusion is a passive process that does not require energy input, while active transport requires energy input in the form of ATP.

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A. transitional epithelium would be found  a. lining of urinary bladder

transitional epithelium is made up of several layer of cell. it is a type of  stratified epithelium tissue. it has a unique property that it is specialised for stretching.  it is mainly found in the lining of urinary bladder. when the bladder  fills with urine, the wall of the bladder stretches to accommodate  large  volume of urine.

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Answer:

1) B+

2) B-

and last one is AB+

Have a good day :D

Answer:

Organ systems of the human body interact to maintain a balanced internal environment,As blood flows

Explanation:

through certain organs of the body, the composition of the blood changes because of interactions with those organs. state one change in the composition of the blood as it flows through the respiratory system.

Answer:

The reproductive system produces the ovum, and the muscular system causes the migration of the ovum by peristaltic contractions.

Explanation:

Answer:

storm; rotating

Explanation:

Answer:

No

Explanation:

The mutation is not expected to affect all the proteins produced in Sam's cells because each protein has a different structure and functions. Proteins are polymers of amino acids and the component amino acid for each protein diffesr. Hence only the proteins whose constituent amino acids include the amino acid being carried by the mutated tRNA would be affected. Others whose constituent amino acids do not include the amino acid being carried by the mutated tRNA would function normally.

Since the given organisms prepare their own food, hence none of the organisms mentioned are heterotrophs. Thus, the correct answer is Option D.

Heterotrophs are organisms that depend on other species (plants and animals) for food since they are unable to prepare it for themselves. They are dependent on these producers for food, either directly or indirectly.  

The rose and the pine tree, two of the choices given, are both autotrophs since plants can make their own food through photosynthesis. On the other hand, the deep-sea tubeworm is a chemoautotroph, meaning it gets its energy from inorganic substances in its surroundings.

Therefore, the correct answer is Option D.

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The oldest of Hawaii's volcanic islands are those that are the farthest distance from the hotspot.

Hope this helps!

Answer:

The oldest of Hawaii's volcanic islands are those that are the farthest distance from the hotspot.

Quantum mottle term is used to describe image noise caused by an insufficient number of x-ray photons interacting with a digital image receptor.

A sort of radiographic noise known as quantum mottle is inversely proportional to the number of x-ray photons that leave the patient and create the radiographic image. Images will appear gritty or sandlike if there are fewer photons that reach the image receptor, causing an unfavorable fluctuation in picture densities.Due to a mistake in the predetermined exposure settings, quantum mottle noise is caused by an ineffective number of photons reaching the imaging plate (mAs and kVp). This may result in a grainy image, which can be easily fixed by modifying the mAs or kVp, depending on which is more appropriate for the clinical situation.

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Answer:

Dark matter does not emit electromagnetic radiation.

Explanation:

Dark matter comparative to dark energy, has various differences. You could say that dark energy is put into action on a larger scale than dark matter, which is also why dark energy makes up 74 percent of the universe. Thus, dark matter ≠ dark energy.

Scientists have a lot to learn about dark matter, so we can't claim that this subject has been well understood about scientists. In fact, it is one of the least understood parts of the universe!

_______________________________________________________

Now dark matter can be defined as particles that do not absorb, reflect, or emit light. Thus, it can't be observed by electromagnetic radiation - nor shifts in red and blue light. At the same time it does not emit electromagnetic radiation.

Answer:

dark matter does not emit electromagnetic radiation.

Explanation:

he going there the atom seeing everything in it until the end form the start

The correct answer is d. Nitric oxide, acting as a paracrine hormone, causes muscle cells to relax.

This characteristic is shared by both skeletal muscle and smooth muscle in adult mammals. Nitric oxide is a signaling molecule that is produced by various cells, including endothelial cells and neurons. It functions as a vasodilator and also relaxes smooth muscle cells, which helps to regulate blood flow and blood pressure.

In skeletal muscle, nitric oxide is produced by the endothelial cells that line the blood vessels and diffuses into the muscle cells to cause vasodilation and increased blood flow during exercise.

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the majority of the lymph returns to the blood system by way of the lymphatic system.

In vertebrates, the lymphatic system, also known as the lymphoid system, is an organ system that is a part of the immune system and works in conjunction with the circulatory system. Lymphatic tissues, lymph nodes, lymphatic or lymphoid organs, and a vast network of lymphatic veins make up this system. The vessels transport a clear fluid known as lymph, which is carried back towards the heart for re-circulation (the Latin name lympha refers to the goddess of fresh water, "Lympha").

The lymphatic system is open, in contrast to the circulatory system, which is a closed system.

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The kingdom of the organism in this scenario is referred to as a protist because it contains certain features such as being unicellular and possessing what we call DNA in its nucleus etc and is denoted as option D.

This is classified as an eukaryotic organism which does not belong to the animal, plant, or fungus family. it is however unicellular and has the ability to produce food on their own which is responsible for their survival in the ecosystem.

These organisms produce food through the process known as photosynthesis and examples include algae, diatoms etc. They also have DNA enclosed in their nucleus which is why they are referred as being eukaryotic.

This is therefore the reason why protist was chosen as the most appropriate choice.

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Answer:

D

Explanation:

Hope this helps you complete your question :)

Answer:

1. D

2. A

3. E

4. B

5. C

Explanation:

Answer:

it b and also please clean ur laptop screen I can't see well have a good day

No because of the whole population was identical they would not have genders and would not be able to reproduce. Reproduction is essential to evolution

The respiratory and digestive systems both depend on the pharynx. It enables the passage of breathed air from the nasal cavity to the lungs, larynx, and trachea. The epiglottis is located in a region of the pharynx known as the nasopharynx.

The respiratory system not only aids in breathing, but also guards against the ingestion of dangerous particles through eating, sneezing, or coughing. The pharynx, also known as the throat, is a flexible muscular tube with a funnel-like form that carries air from the mouth and nose to the trachea, also known as the windpipe. Additionally, it links the esophagus and larynx to the nasal and oral canals.

The respiratory and digestive systems depend on the pharynx. It enables the passage of breathed air from the nasal cavity to the lungs, larynx, and trachea.

The epiglottis is located in a region of the pharynx known as the nasopharynx. By keeping the esophageal opening covered, the air is kept out of the digestive system.

The complete question is:

What part of the body help the digestive system and respiratory system works together?

a. Lungs

b. Nose

c. Trachea

d. Pharynx​

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Answer:

Producers take in carbon dioxide from the atmosphere during photosynthesis and release carbon dioxide during respiration.

Explanation:

Thanks me later bro #keeplearning

The given homogenous mixture is the mixture of compound and element. Therefore, option C is correct.

A homogeneous mixture is also known as a solution. It is a type of mixture in which the components are uniformly distributed at a molecular or microscopic level.  It has the same composition and properties throughout its entire volume. It appears visually as a single phase, meaning there are no visible boundaries or separations between the components.

In a homogeneous mixture, the individual substances that make up the mixture are called solutes, while the substance in which the solutes are dissolved is called the solvent.

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D.

Mediterranean/chaparral

Reserves of food. reserves of fat, carbohydrates, or (rarely) protein that are found in cells and tissues and serve as a vital energy reserve that can be released and used to produce ATP when the body needs it.

Animals, for instance, store fat in adipose tissue while storing carbohydrates in the form of the storage molecule glycogen in the liver and muscle cells. Starch, which can be found in seeds (where it is mobilised at germination) and perennating organs (see perennation), is a major storage compound in plants. Some species also use oils as significant storage materials (e.g. in the seeds of the castor-oil plant). The barley grain's endosperm, which is the biggest tissue, is frequently referred to as the "starchy endosperm."

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The primary reason our cells need to make ATP is: To supply energy for cells.

ATP (adenosine triphosphate) is the primary energy currency of cells. It provides the necessary energy for various cellular processes, including muscle contraction, active transport of molecules across cell membranes, synthesis of macromolecules, and cellular signaling. ATP acts as an energy carrier by storing and releasing energy in its high-energy phosphate bonds.

The process that creates ATP is:

Cellular respiration.

Cellular respiration is a metabolic process that occurs in the mitochondria of cells and involves the breakdown of glucose or other fuel molecules to generate ATP. It consists of three main stages: glycolysis, the citric acid cycle (also known as the Krebs cycle), and oxidative phosphorylation (electron transport chain). During oxidative phosphorylation, the electron transport chain uses the energy released from the breakdown of fuel molecules to create a proton gradient across the inner mitochondrial membrane. This gradient drives the production of ATP through a process called chemiosmosis.

Photosynthesis (option c) is a process in plants and some other organisms that converts light energy into chemical energy in the form of glucose. It is not directly involved in the creation of ATP but produces the glucose that can be used as fuel for cellular respiration to generate ATP.

Breaking down amino acids (option d) occurs during protein metabolism, but it does not directly create ATP.

Replication (option e) is the process of copying DNA to produce new DNA molecules and is not directly related to ATP production.

Therefore, the primary reason our cells need to make ATP is to supply energy for cells, and the process that creates ATP is cellular respiration.

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Answer:

Emm... Answer what exactly

Answer:the function of ribosome is making protiens.hence it synthesizes the protiens.

Explanation:

the ribosomes function is divided into three stages:

1)initiation

2)elongation

3)termination