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Answer:

B.) a methyl group

Explanation:

A.) is incorrect because an amino group has a central nitrogen atom bonded to two hydrogen atoms.

B.) is correct because methyl groups consist of one central carbon bonded to three hydrogen atoms.

C.) is incorrect because a phosphate group contains a phosphorus central atom and four surrounding oxygen atoms. It should be noted that one of the oxygens is double bonded to the phosphorus, while the other three oxygens are single bonded to the phosphorus.

D.) is incorrect because carbonyl groups consist of a central carbon atom double bonded to an oxygen atoms. The carbon is also bonded to two R groups (normally some type of carbon chain).

Answer:

artificial selection

Explanation:

through human activity evo

Answer:

Mitosis.

Explanation:

Mitosis is used to produce daughter cells that are genetically identical to the parent cells. The cell copies - or 'replicates' - its chromosomes, and then splits the copied chromosomes equally to make sure that each daughter cell has a full set.

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The order of mass movement event that gives people the least amount of time to react is:

This is defined as the movement of rocks or soil down slopes under the force of gravity.

The one with the fastest movement is avalanche and the slowest is creep thereby making the above order is the most appropriate.

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Answer:

avalanche, earthflow, creep,

Explanation:

Plato

Answer:

C: oxygen and glucose

During the process of photosynthesis, carbon dioxide and water are converted to oxygen and glucose.

Answer:

B ( Carbon Dioxide and Oxygen i think

During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen.

Explanation:

The drawbacks of social media campaign against human rights violations can be avoided by engaging people of all gender and race as well as by shunning support of armed protests

Human rights violations are actions or conduct which deny or abuse the fundamental human rights of an individual.

Social media is wonderful tool that can be used to campaign against human rights violations.

However, some potential drawbacks in the campaign involve:

These drawbacks can be avoided by

Therefore, by engaging people of all gender and race as well as by shunning support of armed protests, the drawbacks of social media campaign against human rights violations can be avoided.

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The bet did Pete make with Hank was C. Whichever one of them scored the most points would get a free ticket to Manta-Man.

Pete was the basketball player, he used to have a wheelchair. He loves to play with other kids as well, he was into that team in which all the players were wheel chaired.

As Pete was moving to the park he sees Hank who usually comes to meet his father there. Then Pete and Hank make a bet about watching the movie Manta-Man.

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Answer:Motion involves change in position, such as this perspective of rapidly leaving Yongsan Station. In physics, motion means a continuous change in the position of a body relative to a reference point, as measured by a particular observer in a particular frame of reference.

Explanation:

Answer:

In oxidative phosphorylation.

Explanation:

I added a pic as a reference-

Answer:

dominant and recessive gene... i think

Answer:

-Life

Reptiles

appearance of plants

plants

Amphibians

dinosaurs

birds

humans

Explanation:

Answer:

C. Preserved remains or impressions of plant, animal or other organisms.

Explanation:

A fossil record is a collection of fossils documenting the history of life on Earth. These fossils can teach us about an extinct organism's size, shape, and/or behavior. The fossil record helps paleontologists, archaeologists, and geologists place important events and species in the appropriate geologic era. A fossil record is not limited to insects trapped in amber or bones, and is not simply an archaeologist's notes.

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Answer:

False

Explanation:

Because insulin is a hormone released by the pancreas.

Answer:

Carrying capacity can be decreased by disease, an increase in predation, hunting or harvesting by humans, a decrease in available habitat such as habitat destruction by humans, parasites, competition with another species for a resource, or changes in the weather that make the species less suited to the environment.

The carrying capacity of an environment may be decreased by increased activity of predators, diseases, climate change, human activities, habitat destructions, etc.

Carrying capacity may be defined as the maximum number of individuals that can be supported by a habitat.

The carrying capacity of the same habitat may be different for different species. It actually depends on how a species utilizes the resources present in that habitat.

The carrying capacity of any species in its habitat depends on the numer of predators, the flow of diseases, the influence of human activities like overgrazing, industrialization, harvesting, habitat destructions, etc.

Therefore, it is well described above.

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RNA strands are synthesized from DNA by complementarity and replacement of thymine with uracil.

RNA molecules are polynucloetide chains of ribonucleic acids which serve roles in information storage and protein synthesis in living organisms.

RNA strands can be synthesized from DNA strands.

The RNA strands from the given DNA strands are as follows:

DNA STRAND: GAT CGC TAC

RNA STRAND: CUA GCG AUG

DNA STRAND: ATC GGA ACG CAG CCT TAT ATC GAA TCA

RNA STRAND: UAG CCU UGC GUC GGA AUA UAG CUU AGU

DNA STRAND: A T G C CG T AGC

RNA STRAND: G U U U AU

Therefore, the RNA strands are synthesized from DNA by complementarity and replacement of thymine with uracil.

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Answer:

From factory emissions to carbon dioxide in the atmosphere (C)

The process occurring can be called Combustion. In this process, organic matter is burned in the presence of oxygen (oxidizer). It releases energy and carbon dioxide because the carbon in organic matter is oxidized to form CO2.

from dead organisms to fossils and fossil fuels (E)

The process explained in the question can be stated as Fossilisation. In this process, dead remains of plants and animals are transformed into fossils under pressure. The organic matter is preserved according to the shape of the organism.

from factory emissions to carbon dioxide in the atmosphere (C) & from carbon dioxide in the atmosphere to photosynthesis (B)

Two reactions represent the conversation of mass and energy. The burning of fossil fuel (mass) releases energy and carbon dioxide, which is again used by plants to store energy in the process of photosynthesis. This is shown in C and B part of the figure

Explanation:

Spliting of water and production of oxygen are the two effects of photolysis of water during light-dependant reaction​.

Photolysis refers to the use of light energy in order to split water molecules and produce oxygen. In the light-dependent reactions, light energy is absorbed by chlorophyll and transferred to the reaction center of photosystem II.

So we can conclude that Spliting of water and production of oxygen are the two effects of photolysis of water during light-dependant reaction​

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Answer:

A

Explanation:

Water will enter and leave the cells at the same rate via osmosis

The correct option is (A) Beaker 1 in which water will enter the cells at a greater rate, causing an increase in mass for the sweet potato cells.

Osmosis refers to a process in which the water or solvent diffuse across a semipermeable membrane (here cell membrane) from the area of high solute (here glucose) concentration to low solute concentration. The concentration of glucose in the water of beaker 1 is 1.5M which is highest as compared to other beakers.

The concentration of glucose solution in beaker 1 is hypertonic to the concentration of glucose in the cell which makes the water to move inside the cell via osmosis. Movement of water inside the cell results in increase in mass for the (sweet potato) cells.

Thus, the water will enter the cells at a greater rate in the beaker 1 because the glucose concentration is highest in the beaker 1 corresponding to its cell glucose concentration.

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Answer:

to illustrate key points simply.

Explanation:

You first use images to back up your evidence, then secondly use them to add aesthetic value to your slide

It is appropriate to use images in a presentation  to illustrate key points

Images are a visual representation of the given information. since visual information is more easily grasped by the user that audio or written information, so the key points may be represented by using images so as to remember them more conveniently.

Answer:

a country, state, or territory ruled by a king or queen.

Answer:

Differences

1)Amylose is a polysaccharide while glucose is a monosaccharide

2) Amylose requires an enzyme, amylase to be broken down into maltose (a disaccharide) through a process of hydrolysis while Glucose doesn't need any enzyme to be converted in maltose during condensation .

Similarities

1) they're both sugars used for providing energy

2) They're both metabolites

Answer:

A. thoracic

Explanation:

It has 12 vertebrae

Answer:

the answer is c

Explanation:

Answer:

Explanation:

Limitations of Models in Science

•Missing Details. Most models can't incorporate all the details of complex natural phenomena. ...

•Most Are Approximations. •Most models include some approximations as a convenient way to describe something that happens in nature.

•Simplicity. ...

•Trade-Offs.

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The key difference is that a ridge has a continuous crest and a single ridgeline for the whole length of the feature. Mountain ranges usually consist of many smaller ridges.

A ridge or a mountain ridge is a geographical feature consisting of a chain of mountains or hills that form a continuous elevated crest for an extended distance.

Moreover, four classes of oceanic ridges are considered: spreading-center ridges, fracture-zone ridges, basaltic-volcanic ridges, and island arc ridges.

A ridge is a long and narrow elevation that has steep slopes on either side and stands out from the surrounding lowlands. It also acts as a watershed to rivers that flow down narrow valleys on both of its sides.

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Answer:( answer for number one) an essential nutrient for the production of amino acids, proteins, nucleic acids. ( number 2 ) for the growth, maintenance, and repair of all tissues and cells, and for the production of the genetic building blocks, DNA and RNA

Answer:

Muscle tissue has four unique characteristics, which include excitability, contractility, extensibility, and elasticity. Muscle tissue has four unique characteristics, which include excitability, contractility, extensibility, and elasticity.

Explanation:

Muscle tissue has four distinct properties: excitability, contractility, extensibility, and elasticity.

The human body contains approximately 600 muscles. Skeletal, smooth, and cardiac muscles are the three primary types of muscle.

The neuromuscular system is the collaboration of the brain, nerves, and skeletal muscles to end up causing mobility.

Muscle fibers are highly specialized cells that make up the muscular system. Their main function is contractility.

Movement is governed by muscles, which are attached to bones or vital organs and blood vessels. Muscle contraction causes nearly all movement in the body.

Muscle tissue is distinguished by characteristics that enable movement. Muscle cells are excitable, meaning they respond to stimuli.

They are contractile, which means they can simplify and produce a pulling force. When muscles are attached between two movable objects, such as two bones, they contract.

Thus, these are the three physiological concepts associated with muscular tissues.

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