The conformational change in an enzyme after the substrate is bound that allows the chemical reaction to proceed, can be explained by
A.induced fit
B. transition
C. fit and fine
D. Pasteur
Which communicable diseases are known for targeting the human immune systems?
I. HIV
II. Polio
III. Tuberculosis
I only
II only
I and II
II and III
I, II and III are ALL communicable diseases known for targeting the human immune systems. Communicable diseases are transmissible diseases.
What are communicable diseases?Communicable diseases are transmissible diseases, generated by the infection of pathogens in a suitable host.
The human immunodeficiency virus (HIV) represents a major communicable disease around the world. Polio is also a communicable disease that spreads via human-to-human physical contact.
Polio is a communicable disease that is transmitted from an infected individual to an uninfected individual via coughs or sneezes.
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Answer: The correct answer is HIV
Explanation: I took the test.
Elisa went to a beauty clinic for detox treatment. The doctor suggested her heat therapy. After a preliminary check, she was left in a cabin for heat therapy. The heat therapy made her sweat profusely as she was exposed to heat all over her body inside the cabin. Why did she sweat while undergoing heat therapy?
Sweating is a thermoregulatory reponse, that is, it occurs to compensate heat excess. So, if someone sweats its to decrease its body temperature, at least in humans. Thus, the correct option is the first one, Elisa sweated to regulate her body temperature.
T/F,The cell membrane is selectively permeable, allowing only some compounds to enter and leave the cell.
The statement "the cell membrane is selectively permeable, allowing only some compounds to enter and leave the cell" is true. The cell membrane is a thin, flexible barrier that surrounds the cell and separates the interior of the cell from the external environment.
The cell membrane is selectively permeable, meaning that it allows certain substances to pass through while blocking others. This selectivity is crucial for the cell to maintain its internal environment and carry out its functions. The cell membrane is made up of a lipid bilayer, with proteins embedded within it. These proteins act as channels or pumps, allowing specific molecules to enter or leave the cell. The selectivity of the cell membrane is important for maintaining the balance of ions, nutrients, and other molecules inside the cell.
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being colorblind
how is this concept of being "color-blind" is equivalent to being "fair". Discuss your thoughts and opinions around why or why not this is a good way of thinking. Is it a realistic way to run a classroom? Why or why not?
Which is an example of a scientist using a physical model to describe the solar system?
A. The scientist uses a computer to calculate the speed of each planet.
B. The scientist compares the solar system to the shape of an atom.
C. The scientist writes an equation that predicts how long the year will be.
D. The scientist uses tennis balls to show the position of the planets and Sun.
(its D btw)
Answer:
D. The scientist uses tennis balls to show the position of the planets and Sun.
Explanation:
In a layman's terms, the solar system is a system consisting of the sun and the planets that orbits around it. These planets are as follows; Mercury, Mars, Earth, Saturn, Venus, Jupiter, Neptune, Uranus etc.
According to this question, using a physical model to represent or describe the solar system means the use of physical objects that can easily be seen or identified. Based on this explanation, the use of tennis balls to show the position of the planets and Sun suits the physical model description of our solar system.
Chemical changes result in a new substance, but keep in mind that no new atoms are created. Existing atoms rearrange as chemical bonds break and new bonds form. That’s what creates the new substance. For instance, rust on your bike can form after it rains. It forms from atoms in the rainwater, the steel of your bike and oxygen in the air. No new atoms are created that weren’t present before the change.
In the passage above, what is the purpose of the underlined sentence?
A
to give an example of how steel can physically change
B
to support the statement that no new atoms are created in a chemical change
C
to support the statement that rain can damage many materials
D
to give an example of how the weather can affect a person’s belongings
Answer:
B
to support the statement that no new atoms are created in a chemical change
a fossil that is older than 200 million years old can be found on land due to plate tectonics
A fossil that is older than 200 million years old can be found on land due to plate tectonics.
Plate tectonics is the movement and interaction of large sections of the Earth's lithosphere (outermost layer of the Earth) over the asthenosphere (part of the Earth's mantle). This movement can cause the formation of mountains, oceans, and the breakup of continents over millions of years. The movement of plates can also result in the uplift and exposure of rock layers that were previously buried deep beneath the surface, including those containing fossils that are millions of years old.
Therefore, it is possible to find fossils that are more than 200 million years old on land due to plate tectonics, but the process of uplift and exposure of such rocks may take millions of years and require various geological processes.
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--The complete question is, a fossil that is older than 200 million years old can be found on land due to plate ________.--
scientific question about a monkey
Digestive problems can occur at nearly any point in the digestive process. Some problems are minor, like occasional heartburn, indigestion, or constipation. However, other problems like ulcers or cancer can be very serious. Medical treatment may also be required if a minor problem occurs persistently. Fortunately, there are also many dietary approaches that can help manage many digestive disorders. One condition that can be managed through diet is celiac disease, a serious autoimmune disease that causes damage to the small intestines when gluten is consumed. Select all the sentences below that correctly describe the proper identification and treatment of celiac disease.
a. People with celiac disease should include foods with dietary fiber such as beans, fruits, vegetables, brown rice, and quinoa.
b. In adults diagnosed with celiac disease, full recovery typically occurs within 3 to 6 months.
c. For people with celiac disease, ingesting small amounts of gluten is okay occasionally as long as doing so does not produce severe symptoms.
d. If a person feels better after trying a gluten-free diet, further testing is not necessary.
e. Home-cooked meals are a good way to increase variety and reduce the cost of a gluten-free diet.
Answer:
a. People with celiac disease should include foods with dietary fiber such as beans, fruits, vegetables, brown rice, and quinoa.
e. Home-cooked meals are a good way to increase variety and reduce the cost of a gluten-free diet.
Explanation:
Celiac disease is an autoimmune disease, as stated above. This disease causes the defense cells of an organism to attack the stomach cells causing an inflammation that is extended and stimulated by the glutem. As a result, the individual has diarrhea, constipation, weight loss, anemia, a feeling of fullness, colic, abdominal discomfort, severe pain and may even develop ulcers and cancers.
Glutem is a protein found in wheat, barley and rye and for that reason, individuals with this disease should avoid these foods or foods derived from them. This type of diet should accompany the sick person for life and they should be encouraged to eat homemade foods that know the origin and composition. In addition, it is necessary that these people feed on dietary fibers, such as beans, fruits, vegetables, brown rice and quinoa.
Answer:
people with celiac disease should include fiber such as beans fruits brown rice and quinoa
Home cooked meals and a good way to increase variety and reduce cost of a GF diet
Explanation:
cell membranes are flexible in order to _____.
A) repel molecules
B) attract molecules
C) adapt to constant conditions
D) adapt to changing conditions
Answer:
D
Explanation:
A cell needs to be flexible in order to adapt to changing environments, and their cell membrane fluidity is crucial for this
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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50 pts!!PLEASE HELP HURRY-TIMED-
Answer each question individually
___________________________
1) what effect does the higher percentage of the compact bone portion have upon weight of the bone
2) describe the texture of the marrow from the chicken bone
3) describe the texture of the marrow from the beef bone
6) which narrow was denser?(had more mass in the given volume)? What impact would that have on the overall density of the bone
7) in a short paragraph, relate the density of the bone to the activities and environment of each animal, both bird and cattle (just give like 2 sentences)
Answer:
Explanation:
A higher percentage of compact bone portion typically results in a heavier bone, as compact bone is denser than spongy bone and contains more mineralized tissue.The marrow from a chicken bone is usually soft and gelatinous, with a slightly yellowish-white color.The marrow from a beef bone is typically firmer and more solid than chicken marrow, with a reddish-brown color.I apologize, but there seems to be a question missing from the sequence.The denser marrow was not specified, so I cannot answer this question.The overall density of the bone would be impacted by the density of the marrow, as well as the density of the compact and spongy bone portions.The density of the bone is related to the activities and environment of each animal. For example, birds that fly and need to be lightweight tend to have bones with a higher percentage of air spaces and spongy bone, which reduces weight. Cattle, on the other hand, have denser bones to support their larger bodies and movements on land.
Which would be the most appropriate way to represent a prominence in a model of the sun?
(1 point)
O a loop of wire extending from the sun's surface
O a feather extending away from the sun's surface
a layer of smoke on the sun's surface
O a dark spot on the sun's surface
The most appropriate way to represent a prominence in a model of the sun is using a layer of smoke on the sun's surface.
The correct option is C.
What is prominence in the sun?A prominence in the sun also known as a filament when viewed against the solar disk is described as a large, bright feature extending outward from the Sun's surface.
Prominences are anchored to the Sun's surface in the photosphere, and extend outwards into the Sun's hot outer atmosphere, called the corona.
The appearance of the prominence of the sun is either as a flame-colored projections when the disk of the Sun is in total eclipse or as dark ribbons when viewed through a spectroscope.
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does the value of acceleration due to gravity vary from planet to planet explain
Answer: The value of acceleration due to gravity, commonly denoted as "g," is the acceleration experienced by an object due to the force of gravity acting upon it.
The value of g varies from planet to planet because the strength of the gravitational force depends on the mass of the planet and its distance from the object experiencing the force.
Explanation: On Earth, the standard value of g is approximately 9.8 m/s^2. This means that an object weighing 100 grams on Earth would experience a force of approximately 9.8 newtons (N) acting upon it due to gravity.
The value of g varies slightly from planet to planet because the strength of the gravitational force depends on the mass of the planet and its distance from the object experiencing the force.
For example, the value of g on the Moon is about 1.62 m/s^2, which is about 60% of the value on Earth. The value of g on Mars is about 3.71 m/s^2, which is about 30% of the value on Earth.
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Are there any plants or animals that are resistant to chlordane
Answer:
yes
Explanation:
Chlordane is a pesticide that has been obtained from the synthesis of heptachlor, chlordane, and nonachlor. It has low vapor pressure and volatilizes leisurely
someone please help me ! i’ll mean a lot 90 points given
Answer:
Explanation:
Option D: Increasing the mass by sitting people inside
Hope this helps, mark me brainiest
True or false, transport proteins are used when things are too big to pass through the cell membrane.
Answer:
True
Explanation:
Can someone pretty pls help me with the producer and decomposer side :3
Answer:
definition: producer are organism that make their own food
carrotsa strip of orange treesany green plant
definition : are mainly fungi decomposer are organism that decomposes or break down , organic materials such as the remain of dead organism
earthworm and bacteria are some decomposer mushroominsects
What effect does an increase or decrease in the PH of the cell cytoplasm have on protein and the ability to function?
Answer: It will result in negatively affecting the function of the protein itself.
Explanation: When pH changes in any way, it effects the hydrogen bonding, which is what is used for the tertiary and quaternary structures. This is what causes the proteins to change shape, which in result is a negative effect on the protein.
Which immune process is most similar to a child being exposed to pathogens by eating dirt? immunization injections cilia filtration natural killer cells anti-histamine reactions
The process most similar to a child eating dirt and being exposed to pathogens is called immune priming. Immune priming is when a person is exposed to a weak antigen or pathogen, stimulating a response from their immune system that will help them better respond to a secondary, stronger exposure to the pathogen.
What is priming?Antigen-specific T helper cell precursors initially come into touch with an antigen during priming. The ensuing interaction between T helper cells and B cells, which triggers the production of antibodies, is crucial. [1] When antigen is delivered to naive lymphocytes in an immunogenic state, priming of those cells takes place (capable of inducing an immune response). The primed cells will then develop into memory cells or effector cells, respectively, that can mount a stronger and quicker response to subsequent and forthcoming immunological threats. [2]
Dendritic cell antigen presentation is necessary for priming naive T cell activation. Naive CD8 T cells that have been primed produce cytotoxic T cells that can kill pathogen-infected cells directly. According on the sort of signals they receive, CD4 cells can grow into a wide range of effector cell types.
What is the function of CD4 cells?Co-receptors of TCRs (T cell receptors), CD4 cells help TCRs communicate with antigen-presenting cells. The antigen-presenting MHS class II molecules are specifically targeted by the TCR complex and CD4 cells. These CD4 cells' extracellular D1 domain interacts with the MHC Class II 2 region to form a bond. Because of this interaction, the tyrosine kinase Lck is able to phosphorylate ITAMs (immunoreceptor tyrosine activation motifs), which are attached to the cytoplasmic tail of CD4 on the cytoplasmic domains of CD3. The T cell receptors' ability to produce messages is enhanced by this.
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12. The ability of Carbon to form up to 4 bonds is important to living organisms in that it allows Carbon to
A. bond only with Hydrogen and Oxygen.
B. decay into Boron.
C. build quadruple bonds.
D. form rings and chains.
Answer:
D, form rings and chaines i think
Explanation:
This allows the Carbon to form long chians with elements such as hydrogen and phosphorus, etc, used some info from this site
https://courses.lumenlearning.com/wm-nmbiology1/chapter/carbon-and-carbon-bonding/
if my answer helps please mark as brainliest.
Changes in DNA sequence from one generation to the next may result in offspring that are altered in fitness compared with their parents. The process of change and selection over the course of many generations is the basis of
Answer:
This question lack options, options are:
A. Mutation
B. Evolution
C. Heredity
D. Reproduction
The correct answer is B.
Explanation:
Evolution is essentially a process of genetic change over time, that is, it is the result of accumulated changes in the composition of the gene pool. Variation is the raw material of evolution. Without genetic variation, evolution is not possible. The ultimate source of all genetic variation is mutation. A mutation is a stable and inheritable change in genetic material. Mutations alter the DNA sequence and therefore introduce new variants. Many of these variants are usually eliminated, but occasionally some of these variants can be successful and incorporated into all individuals of the species. Mutation is a factor that increases genetic diversity. This is how evolution explains the origin of various life forms as a result of changes in their genetic load. The inheritance of these variations through offspring of parents who carry the variation, although the genetic endowment of a single organism is the same throughout life, the genetic makeup of a species, understood as a whole (genetic background), changes throughout from many periods of life. Mutations and variability, the product of natural DNA recombination, provide diversity in the genetic material of a species.
Which of the following statements about unsaturated fats is true?
O Unsaturated fats contain the maximum number of hydrogens along the hydrocarbon tails.
O Unsaturated fats make up the majority of animal fats
O Unsaturated fats are less healthier for you than saturated fats.
O Unsaturated fats contain one or more double bonds along the hydrocarbon tails.
Unsaturated fats are a type of lipids mostly found in plant-based food, such as in seeds (one great example is oil). These lipids are characterized for having one or more double or triple bonds between the carbons of their structure and are healthier than saturated fats (found mostly in animal fats).
Therefore, the correct answer to this question is the last option.
Identify the independent clause in each sentence below.
1. (We arrived late) because we couldn't find the theater.
2. (The play started) before we found our seats.
3. (We got one of the special) programs that were being sold.
4. When the play was over, (the audience applauded.)
5. After we saw the show, (we went for a walk.)
6. Although the night was cool, (the walk was enjoyable.)
7. While we were walking, (I noticed the moon.)
8. Since it was a full moon, (it was shining brightly.)
9. (We walked along the lake) until it became very late.
10. By the time I got home, (it was almost midnight.)
Explanation:
mhrssxxxx please mark as brainllest
What information did you include in your answer?
Check all that apply.
the definition of theory
the definition of hypothesis
a reference to repeated experimentation
when a hypothesis is tested
an example of a theory, such as the cell
theory
a connection between the definitions of
theory and hypothesis
I characterized the theory as a well-supported clarification and the hypothesis as a proposed clarification for testing. I emphasized rehashed experimentation and gave a case of the cell hypothesis.
What is the information I included in my answerBased on the given alternatives, the data included in my answer include:
The definition of theory.The definition of hypothesis.A reference to rehashed experimentation.When a hypothesis is tried.A case of a theory, such as the cell theory.An association between the definitions of theory and hypothesis.I gave the definitions of hypothesis and theory, clarifying that a hypothesis could be a well-substantiated explanation for a marvel whereas a theory may be a proposed clarification to be tried. I said the importance of rehashed experimentation in approving or negating theories.
I too insinuated the method of testing the hypothesis. Furthermore, I advertised the case of the cell theory as a logical hypothesis. In conclusion, I associated the definitions of hypothesis and theory, highlighting their relationship within the logical strategy where hypotheses are proposed and tried to back or challenge existing hypotheses.
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The amount of Thymine bases in a segment of DNA is 40%. What would be the amount of
Cytosine?
Answer:
10%
Explanation:
In a DNA sequence, the amount of Thymine is always equal to Adenine. The same goes for Cytosine and Guanine.
Therefore:
Adenine: 40%
Thymine: 40%
Cytosine: 10%
Guanine: 10%
The total amount/percentage will always total up to 100%.What choices do you make that affect other beings?
Answer:
Actions And Words
can affect emotions and reactions from different people
Explanation:
There are many choices that you can make that can affect other beings. Some examples include:
What you eat: Choosing to consume animal products can have a negative impact on the environment and on the welfare of the animals involved.
How you travel: Choosing to drive a car or fly in a plane can contribute to air pollution and climate change, which can negatively affect other beings.
What you buy: Choosing to purchase products that are made in an environmentally sustainable and socially responsible manner can have a positive impact on other beings.
How you vote: Voting for political leaders and policies that prioritize the well-being of other beings, such as through conservation and animal welfare laws, can have a positive impact on other beings.
How you use your resources: Using resources such as water and electricity responsibly can help to conserve these resources and protect other beings that depend on them.
These are just a few examples and there are many other ways that your choices can affect other beings. It's important to be mindful of your actions and consider the impact they may have on the world around you.
Water, carbon dioxide, oxygen, and some other substances can pass through the cell wall. _________________________ (true or false,and please tell me why?Thank you)
Answer:
true
Explanation:
Which of the following are NOT a part of the Cenozoic Era?
Permian
Quaternary
Tertiary
Jurassic
Answer:
Permian
Explanation: