The __________ variable in an experiment is the one that the scientist intentionally changes in an experiment. The _______ variable in an experiment is the one that the scientist measures / observes. Values that are kept the same in an experiment and NOT changed are called _______

Viruses are seen as borderline between living and non-living things

However, viruses possess the following when they are living:

These are organisms which causes diseases to both plants and animals.

Therefore, viruses are highly pathogenic; that is: they are infectious agents and are also microscopic organisms

Complete question:

All of the statement are correct about parasitic microorganisms

(a) Viruses have either DNA or RNA as genetic material

(b) Viruses are pathogenic organisms

(c) Parasitic bacteria causes diseases to plants and animals

(d) Viruses are acellular infectious agents

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True, hypoxyphilia, which involves strangulation or smothering to enhance sexual pleasure, is considered one form of paraphilia.

Paraphilia refers to a condition in which an individual's sexual arousal and gratification are dependent on unconventional or non-normative behaviors, fantasies, or objects. Hypoxyphilia, also known as erotic asphyxiation or breath control play, involves restricting oxygen flow to the brain to enhance sexual pleasure. It is considered a form of paraphilia.

Hypoxyphilia typically involves practices such as strangulation, suffocation, or the use of restraints to achieve a heightened sexual experience. It is important to note that engaging in hypoxyphilia or similar activities carries significant risks, including severe injury or death. Due to the potential dangers associated with this practice, it is essential to prioritize safety, consent, and communication when exploring any form of sexual activity.

In conclusion, hypoxyphilia is indeed one form of paraphilia that involves the intentional restriction of oxygen to the brain for the purpose of sexual arousal. However, it is crucial to approach such activities with caution and prioritize safety to minimize the risks involved.

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A tree growing on the side of a rocky hill enhances weathering by providing spaces for roots to grow into cracks in the rock. Rows of trees planted on the border of a field to slow the wind and deflect it upward also enhances weathering by providing protection from direct weathering processes.

Animals burrowing into the ground to loosen the soil and a once bare field planted with trees and shrubs also enhance weathering by providing organic matter to the soil which can help break down rocks.

On the other hand, humans removing trees and other vegetation in order to develop an area of land inhibits weathering, as well as a forest fire destroying vegetation without regrowth. Lastly, lichens, which secrete acids, encrusting the surface of a rock also enhances weathering.

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ABO typing is the designation for the blood grouping test. Antibodies against type A and type B blood are combined with a sample of your blood. The sample is next examined to determine whether or not the blood cells adhere to one another. Blood reacting with one of the antibodies causes blood cells to adhere to one another.

According to the presence or absence of antibodies and hereditary antigenic compounds on the surface of red blood cells, blood is classified according to its type. Depending on the blood group system, these antigens could be proteins, carbohydrates, glycoproteins, or glycolipids.

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Answer:

1. rRNA helps form ribosomes. mRNA provides the instructions for proteins to the ribosome. tRNA transfers amino acids to the ribosome, which are needed to create the protein.

2. The Central Dogma of Biology states that DNA holds the instructions for protein creation. These directions are copied by RNA, which the RNA then utilizes to create protein. (Also known as DNA to RNA to protein.)

3. Proteins are made in the ribosomes, which are small organelles inside a cell.

4. They are both nucleic acids. Both of them store genetic information. They also share the same basic components: sugar, phosphate backbones, and nitrogenous bases.

5.

a. RNA is single stranded; DNA is double stranded.

b. RNA contains uracil as a base instead of thymine.

c. RNA has ribose, while DNA has deoxyribose instead (hence the differences in their name: RNA means ribonucleic acid. DNA means deoxyribonucleic acid).

6. mRNA (messenger RNA), rRNA (ribosomal RNA), tRNA (transfer RNA)

Explanation:

Leaf-tailed geckos have long, flattened bodies with triangular heads and broad leaf-like tails. The giant leaf-tail gecko, or common flat-tail gecko, is one of the larger species. They have large marbled eyes with red concentric stripes around the pupil on a  silver, brown, or gold background. These lizards have mottling that varies in color from tan and green to gray and tan depending on the species.

They also have the ability to camouflage themselves not only with the shape and vegetation of the forest in which they live, but also with the colors of their surroundings. The fringe lobes of the mandible and the sides of the body are flattened against the surface and delineated. The increased surface area reflects and refracts light, breaking the line between the perimeter of the body and the surface below. These adaptations allow leaf-tailed geckos to be almost completely camouflaged from dry leaves and tree bark. The giant leaftail gecko lives in moist, intact forests in the lowlands  at an altitude of 800 meters (about 2,625 feet). During the day, branches, logs and fallen leaves provide areas of camouflage for geckos to roost away from the sight of  predators. increase. They also inhabit the rainforests of Madagascar's east coast, but there are no confirmed reports of the species living further south than the mainland town of Vondrozzo.

Thus, leaf-tailed geckos have long, flattened bodies, triangular heads, and wide, leaf-like tails.

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Answer:

I would say B.

de-forestation is definitely not the answer. and introducing non native species is usually a big no no for the ecosystem.

Answer:

b

Explanation:

if there is nothing to kill bees with then they wont die.

Answer:

What is the effect of unfiltered water on plant growth?

Explanation:

Answer:7

Explanation: Drinking water and natural water has mixed minerals and gases.

Answer:

7

Explanation:

trust me just took it

A. Three characteristics that can be examined to determine the mineral composition of a rock are its color, hardness, and crystal structure.

B. This is important for classifying non-foliated metamorphic rocks because they lack the distinct layering (foliation) seen in other types of metamorphic rocks, making mineral identification crucial for their classification.

A. When trying to determine the mineral composition of a rock, three characteristics that can be examined are color, luster, and hardness.

Color can provide some initial clues about the presence of certain minerals, although it should not be solely relied upon for identification as many minerals can occur in different colors.

Luster refers to the way light reflects off the mineral's surface and can be described as metallic, non-metallic, or glassy. Hardness is a measure of a mineral's resistance to scratching and is often determined using the Mohs scale.

B. The classification of non-foliated metamorphic rocks is particularly important because they lack the characteristic foliation or layering found in some other types of metamorphic rocks.

Without the presence of visible bands or layers, it becomes necessary to rely on other characteristics to identify the minerals present in the rock. By examining the color, luster, and hardness of the minerals within the non-foliated metamorphic rock, geologists can gain insights into its composition and make accurate classifications.

These characteristics can help distinguish between different minerals that may have similar appearances and aid in identifying the specific type of non-foliated metamorphic rock.

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Answer:

Ribozymes and inorganic solids are example of non protein enzymes

i hope this helpss<3

:)

Answer: The question is is incomplete, here are the options.

A. Separating the two groups decreases the chance that the two groups will diverge

B. Traits that form in one group from evolutionary forces quickly spread through both populations

C. Forces like natural selection and genetic drift affect the genes of the two subgroups differently

D. Gene flow is increased in the two subgroups that are formed

The correct Option is C.

C. Forces like natural selection and genetic drift affect the genes of the two subgroups differently.

Explanation:

Forces of natural selection and genetic drift affect the genes of the two subgroups differently because there are differences In the way they are natural selected and genetic drift.

Natural selection is the different phenotype or traits developed by different organisms who h make them to adapt, survive and reproduce than others in their environment. The two sub groups have different phenotype Expressed which cause them to develop different trait.

Genetic drift refers to change or variation in frequency of genes in animals overtime. Genetic drift occur at different rate in different population of organsim which lead to development of different trait in the subgroup.

Answer:The occurrence in one subgroup of mutations that are not passed to the other through reproduction

Explanation: just did the test

In the 1970s, Fernando Nottebohm and colleagues identified the major structures controlling birdsong as the high vocal center (HVC), the robust nucleus of the arcopallium (RA), and the lateral magnocellular nucleus of the anterior nidopallium (LMAN).

These structures are involved in the learning, production, and modulation of birdsong. The HVC is responsible for coordinating the timing and sequence of song syllables, while the RA is involved in the motor control of song production. The LMAN plays a role in song learning and plasticity. Together, these structures form a complex neural network that allows birds to produce and modify their songs.

Hi! In the 1970s, Fernando Nottebohm and his colleagues identified the major structures controlling birdsong as the song control system, which consists of interconnected brain nuclei such as the High Vocal Center (HVC), the Robust nucleus of the Arcopallium (RA), and the Anterior Forebrain Pathway (AFP). These structures play crucial roles in learning, producing, and maintaining complex vocalizations in birds.

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Answer:

gram

Explanation:

Answer:

A. Uracil would be the answer.

Answer:

The more similar the base sequence of the DNA (their genes), the more closely related they will be!

Explanation:

Hope that helps!

Answer:

Explanation:

Im super confused?

Can you explain more?

Clean Air Act is necessary for the reduction of pollution in cities.

The Clean Air Act provides necessary tools to the Environmental Protection Agency which takes initiatives in order to protect our families from harmful pollutants that can cause various disease so we can conclude that Clean Air Act is necessary for the reduction of pollution in cities.

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Answer:D Animal Cell

Explanation:

Answer:

I believe its an animal cell. I looked up the anatomy for each one and the animal cell is the only one without a cell wall.

Hope this helps!

D. Organic compounds contain carbon and inorganic compounds do not.

Organic compounds contain carbon and inorganic compounds do not. The correct option is D.

Any of a vast group of chemical compounds known as organic compounds contain one or more carbon atoms that are covalently connected to atoms of other elements, most frequently hydrogen, oxygen, or nitrogen.

Carbides, carbonates, and cyanides are among the few carbon-containing substances that aren't categorised as organic.

Covalently bound carbon and hydrogen, as well as frequently other elements, are found in organic molecules.

An inorganic compound in chemistry is often one that does not contain carbon-hydrogen bonds, i.e., one that is not an organic compound.

Inorganic chemistry is a branch of chemistry that focuses on the study of inorganic substances.

Thus, the correct option is D.

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Answer:

evaporation

Explanation:

because the more heat that hits the water the more it evaporates

If long term higher global temperature continue to rise on Earth which aspect of the water cycle will most likely occur more rapidly

The correct answer is :

It affects the evaporation and precipitation.

What is water cycle?

What affects the parts of water cycle?

So, evaporation is the correct answer.

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(c) secretin is the most potent stimulus for a positive feedback loop that results in the release of bile by the liver.

Fats are mechanically broken down in the small intestine by the emulsifier substance known as bile. In order for digestive lipases to carry out their chemical digestion of fats effectively, fats must dissolve in order to expand their surface area.

The most effective trigger for the positive feedback loop that causes the liver to secrete bile is secretin.

A hormone called secretin is created by the small intestine's enteroendocrine cells in response to the stomach's chyme. In order to create and release bile into the gallbladder, secretin activates liver hepatocytes.

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Question correction:

What is the most potent stimulus for a positive feedback loop that results in the release of bile by the liver?

a) cholecystokinin (CCK)

b) bile salt re-entry into the liver

c) secretin

d) vagus nerve

Answer:

Ofcourse it does

Explanation:

Imagine one person have flu and he or she goes to met someone who is healthy but when they talk other infected person's flu goes to other healthy person and that new infected person goes to another and they go to another and thats how it seperate. But we have solution for this the first infected person need to wear mask so that his or her flu don't pass out to anothers.

Increasing substrate concentration, increasing enzyme concentration, increasing temperature slightly, and reducing substrate concentration can all increase the rate of an enzymatic reaction that is not at optimal conditions.


- Increasing substrate concentration: When the substrate concentration is low, the reaction rate may be limited by the availability of substrate molecules for the enzyme to act on. Increasing the substrate concentration can increase the rate of the reaction until it reaches its maximum velocity.
- Increasing enzyme concentration: If there are not enough enzymes available to catalyze the reaction, increasing the enzyme concentration can increase the rate of the reaction. However, this only applies up to a certain point, as adding too much enzyme can actually inhibit the reaction.
- Increasing temperature slightly: Enzymes have an optimal temperature range at which they function most efficiently. Increasing the temperature slightly can increase the rate of the reaction as it speeds up the movement of the enzyme and substrate molecules, making them more likely to collide and react.
- Reducing substrate concentration: If the substrate concentration is too high, the reaction rate may be limited by the availability of enzymes to bind to the substrate. Reducing the substrate concentration can increase the rate of the reaction until it reaches its maximum velocity.

These four factors can all contribute to increasing the rate of an enzymatic reaction. However, it is important to note that there is an optimal range for each factor, and going beyond that range can actually inhibit the reaction. Careful control and optimization of these factors is essential for efficient enzymatic reactions.

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a rough ribosome is a membraneous organelle covered in ribosomes which is also found in most cells.

Answer:

Solar energy is any type of energy generated by the sun. Solar energy is created by nuclear fusion that takes place in the sun. Fusion occurs when protons of hydrogen atoms violently collide in the sun's core and fuse to create a helium atom.

Dichotomous means divided into two parts, and in a dichotomous key, each step attempts to narrow the choices based primarily on the characteristics of an organism and assist the user in identifying the item.

A dichotomous key is a useful scientific tool for identifying different organisms based on their observable characteristics. Dichotomous keys are made up of a series of statements, each with two options, that guide users to the correct identification. It starts with tree, flower, animal, vegetable, or mineral and continues until all other possibilities are exhausted. 

The three most common types of dichotomous keys are nested, linked, and branched dichotomous keys. In the nested type, humans get the answer to each statement that is nested right next to it. We use text lists to identify objects in linked types. The dichotomous key inside the branched type is created using a tree diagram.

Linnaeus didn't take into account the relationships among similar species, and the classification is a rank-based system. As a result, the Linnaean classification scheme as well as Dichotomous key use physical characteristics of organisms to group people together.

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Answer:

d) A is false but R is true.

Explanation:

Prokaryotes are group of organisms that do not possess a membrane bound nucleus or any other membrane bound organelle in their cell e.g. mitochondria, endoplasmic reticulum etc. They lack such organelles.

However, they are truly considered as a primitive life form; much more primitive than eukaryotic organisms. Examples of prokaryotes are bacteria, archeae etc. Based on the above explanation, it is clear that the assertion (A) in this question is FALSE but the reason (R) is TRUE.