The correct option associated with the question is given as follows:
a.All macromolecules are monomers.
b.All macromolecules are polymers made up of smaller units.
c.All macromolecules are created by dehydration reactions.
d.All macromolecules contain carbon.
Answer:
The correct answer is: a. All macromolecules are monomers.
Explanation:
Macromolecules are huge biological molecules made out of thousands of covalently associated atoms. Carbohydrates, lipids, proteins, and nucleic acids are altogether macromolecules. Macromolecules are framed by numerous monomers connecting together, shaping a polymer.
In doing such, monomers discharge water atoms as side products. This kind of reaction is called dehydration reaction, which signifies "to assemble while losing water."
lipids are worked from an alternate arrangement of monomers that look like each other in creation and size. Lipids are not polymers, since they are not made up of monomers.
What accounts for the differences in the properties of the various polysaccharides in the functions/properties of starches, glycogen, cellulose and chitin?
Answer:
The differences between these are the type of union, the order of the union and the complexity.
All are polysaccharides, but their unions are stronger or more complex, thus giving rise to different functions such as structural or energy reserves.
Explanation:
The types of bonds if they are simple, double or triple also influences the different functions.
smallest particle that make up matter is?
what is the best example of a point source pollution
Answer:
Waterborne pathogens in a local river.
Explanation:
Waterborne pathogens are the diseases that are transferred through water and are the pathogenic agents (often live organisms) that cause disease in the host. Chemical, biological, and other contaminants can all lead to water contamination.
What are the point source pollutions?Point-source Pollution is described as pollution that originates from a single, recognizable source, such as an industrial facility or sewage treatment plant output pipe.
Nonpoint-source pollution is pollution that doesn't come from a single source, or point.
Various signs of waterborne infections can occur. The most typical symptoms of a waterborne sickness are typically diarrhea and vomiting, but there may also be issues with the skin, ear, respiratory system, or eyes.
Therefore, waterborne pathogen are the best example of point source pollution.
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Eukaryotic cells are able to trigger the release of material from secretory vesicles to the extracellular space using a process called exocytosis. An example of materials commonly released this way is
Answer:
hormones
Explanation:
An example of materials commonly released this way is hormones. These are chemical messengers that are sent to the pituitary gland where they are released directly into the bloodstream. The blood then carries the hormones to different organs and tissues of the body in order to exert their specific function which varies depending on the specific type of hormones being secreted.
why these animals have so much blubber
Answer:
Animals that have blubber live in cold habitats, for example, Antarctica. The blubber, or fat, protects them from the snowy and icy environment. Walrus' are a great example. Without blubber, their insides would get too cold, and they could freeze to death.
hope this helps
Answer:
Depends on which animal
Explanation:
some animals need lots of fat "excess skin" to survive in a certain environment or to adapt to a new habitat
does photosynthesis occur in mushroom.why?
Answer:
no
Explanation:
because it is fungi and it doesnt have chloroplast (which is needed for photosynthesis)
5. Why
can
plants perform photosynthesis, but most animals cannot?
I
How might biodiversity in Area 1 change if the new bird species ate small mammals, lizards, and toads?
Knowing that Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity. The ecosystem will change if a new species is introduced to an unfamiliar ecosystem. If a new species of birds were to eat another animal that was supposed to be eaten by another. The food chain of the ecosystem would be changed drastically. Aka, it might make the lizards go extinct, and can possibly become abundant. Aka, overpopulating and creating havoc within the ecosystem. Thus, causing imbalance.
In eukaryotic cells, DNA is packaged with proteins into structures called chromosomes. What advantage do chromosomes provide the cell?
Answer:
it is a haredity material which help in transfor of characters
Explanation:
Answer:c They ensure equal division of genetic material when a cell divides
Explanation: I just took the test and it is right !:)
The release of water from the vacuoles of the cells caused the plant to wilt and droop. The in the plant's cells helps the plant to maintain its structure during this period of stress.
Answer:
Vacuole; Cell wall
Explanation:
The release of water from the VACUOLES of the cells caused the plant to wilt and droop. The CELL WALL in the plant's cells helps the plant to maintain its structure during this period of stress.
Vacuoles are organelles which help in the storage of fluids which may include water, digestion and excretion(release) of excess water in the cells.
Cell walls on the other hand helps to provide structural support in plants and usually surrounds the membranes on the outer part.
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Answer:
good morning how are you doing have a great day
When you first see something, the cornea projects an image onto your:
A. optic nerve
B. occipital lobe
O c. retina
D. iris
Answer:
C
Explanation:
Retina
Unlike Earth, Mars has lost their atmosphere over time, causing it to become harsh and uninhabitable. What has protected the Earth's atmosphere?
Answer:23
Explanation:
In which country is the population likely to be increasing most rapidly?
a. Kenya
b. Germany
C. Australia
d. China
Answer:
A
Explanation:
Kenya has the most rapid increasing population
A commercial advertising a diet pill says it is scientifically proven to help you lose weight. It is recommended by a doctor who observed that some of his patients lost weight after taking the pill for a week. Why is this claim considered pseudoscience?
Answer:
No it hasn't been recommended by a doctor.
Explanation:
This is considered pseudoscience because there is no proof that it has been scientifically proven.
What are nucleic acids
Answer: It is the overall name of DNA and RNA. They have Nucleotides.
Describe the function of each organelle.
Nucleus
awnser:
The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material.
Answer:
The nucleus is the central and most important part of an object, it controls and regulate the activity of cells. The nucleus also carries the genes.
Explanation:
what kind of bond does carbon usually form from
Answer:
The most common type of bond formed by carbon is a covalent bond in which carbon shares electrons with other atoms. There are three major types of covalent bonds: single, double, and triple bonds. A carbon atom itself can form four single bonds. Since carbon has four valence electrons, it forms covalent bonds with four neighboring carbon atoms.
Explanation:
Carbon most often forms a covalent bond with other atoms. If the bond is with another carbon atom, it is a pure covalent (or nonpolar covalent) bond. If it is with another atom, a polar covalent bond is formed.
The most common oxidation state of carbon is +4 or -4.
Less commonly, carbon forms ionic bonds with other atoms. This occurs when there is a large electronegativity difference between carbon and the other atom.
So, it usually forms covalent bonds. So D.
A) Identify and describe the four levels of protein structure.
Answer:
here is the answer from google
Explanation:
Answer:
primary, secondary, tertiary and quaternary.
Explanation:
because the primary structure is made up of amino acids that make up the polypeptide chain.
diploid cell that contains three pairs of chromosomes designated AA , BB, and CC. Each pair contains a maternal and a paternal member (e.g., Am and Ap, etc.). *In mitosis, what chromatid combination(s) will be present during metaphase
Answer:
The combination of chromatids in metaphase will be :
AmAm
ApAp
BmBm
BpBp
CmCm
CpCp
Explanation:
Maternal and paternal chromosomes are now in metaphase so it means they would have duplicated as during prophase chromosomes split into chromatids. however, There is no tetrad in mitosis and move to the equator.
So, maternal and paternal chromatids will not mix or pair with one other. Therefore. the combination of chromatid pairs that will be present during metaphase are:
AmAm
ApAp
BmBm
BpBp
CmCm
CpCp
Assume that cellular uptake rates and drug delivery rates of compounds 1 and 2 are identical. If the proposed mechanism of sensitization by Compound 1 is correct, what cancer cell treatment protocol is most likely to produce the most apoptosis 20 h after treatment?A.
Answer:
The correct option is B: Administration of Compound 1 followed by Compound 2 after 0.5 h
Explanation:
Administering both compounds simultaneously (as suggested in option A) would mean that some cells might be exposed to and interact with compound 2 before being exposed to compound 1. It was observed by the researchers that if the chemotherapeutic agent (compound 2) is given a half hour after giving sensitization agent (compound 1) gives better results.
59:52 In an oil spill, why does the oil not mix with the seawater?
Answer:
The oil does not mix with the water since it has a lower density so it floats on it
Explanation:
______ is a part of all organic compounds, which make up living things.
Answer:
Carbon.
Explanation:
Carbon is a part of all organic compounds.
How do stories differ from scientific explanation A) Stories avoid presenting bias B) stories are based on imagination C) stories are based on evidene D) stories are always negative This is for lil sis
Answer:B
Explanation:
A p e x
Stories differ from scientific explanations by the fact that they are based on imagination. Thus, the correct option is B.
What is a Scientific explanation?A scientific explanation may be defined as a type of explanation that utilizes numerous observations and measurements in order to explain the fact that we see in the natural world on the basis of accurate and valid evidence.
Stories are based on imagination, while scientific explanations are based on evidence. It can not be said that stories are always negative. It may not remarkably true that stories are avoided presenting bias.
Scientific explanations always match with logical comprehension as well as the suggested evidence with respect to the fact in a systematic way.
Therefore, stories are based on imagination is that fact that differs stories from scientific explanations. Thus, the correct option is B.
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Answer:
B, Kilograms.
Explanation:
We can compare this to another problem, to help you understand.
Chase is a puppy and doesn't weight a lot. Let's review the different metric units that we use for measuring weight. A milligram is for very tiny things such as a bean or a dust particle. A gram measures slightly heavier things like a paperclip or a pencil. A kilogram is used for things with definite weight, like a kitten or a dog.
The vet would have measured Chase in kilograms.
Hope this helped. :)
identity
QUICK CHECK
temperature of the water
Choose the correct measuring device for gathering
data from the list of tools in the drop-down menu.
heartbeats per minute
volume of liquid
*
time
DONE
distance across the pond
Intro
Answer:
34
Explanation:
What is the primary function of the body system
Answer:
Nervous, Integumentary, Muscular, Hematopoietic.
Which statement is most likely to apply to a cell that has DNA within its cytoplasm? . . .It lacks ribosomes. . .It has membrane-bound organelles. . .It is multicellular. . .it performs all functions for the organism.
Answer:
D. It performs all functions for the organism.
Explanation:
got it right lol
A cell that has DNA within its cytoplasm is It lacks ribosomes.
What is a cell that has DNA within its cytoplasm?
In prokaryotes, the DNA (chromosome) is in contact with the cellular cytoplasm and is not in a housed membrane-bound nucleus. In eukaryotes, the DNA takes the form of compact chromosomes separated from the rest of the cell by a nuclear membrane.
Thus, option "A" is correct.
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Birds in a desert climate survive on soft parts of cactus. Scientists observed that during a drought, manyof the birds died. The ones that survived had larger beaks and were able to crack open and eat hardseeds that would ordinarily not be used. What trait would you expect to see in the next generation?
Answer:
Larger beaks. This question refers back to Darwin's theory of Natural Selection. "Survival of the fittest" if the birds that had small beaks all died, the only birds that would be left would be the ones with large beaks.
Drag the tiles to the correct boxes to form correct pairs. Not all tiles will be used.
Match each example given to the type of scientific concept.
theory
hypothesis
law
observation
If the amount of daylight
increases plant growth, then
plants will have higher rates
of growth during the summer.
arrowBoth
The outer layer of the Earth is
divided into plates that move
due to convection currents
under the surface.
arrowBoth
For every action or force
in nature, there is an equal
and opposite reaction.
arrowBoth
Answer and Explanation:
If the amount of daylight increases plant growth, then plants will have higher rates of growth during the summer. hypothesis. The outer layer of the Earth is divided into plates that move due to convection currents under the surface. theoryFor every action or force in nature, there is an equal and opposite reaction. law A hypothesis is a scientific conjecture, not verified that requires corroboration. It is a possibility, but not a fact. A hypothesis must express what is expected to occur in a perfectly comprehensive manner. There must be a logical relation between variables. It must be objective. The researcher suggests a hypothesis in order to predict what is going to happen. There are different kinds of hypotheses: descriptive, correlative, differentiative, or causative. A law is an affirmation based on repeated experimental observations, it is not that might describe one aspect of a natural phenomenon. This means that it is corroborated by facts, and not only by logic. There is a relation cause-effect. The scientific theory is a conceptual framework used to explain facts or phenomena and to make predictions. The theory is fundamental to science because it allows scientists to organize and understand observations. The construction of a theory begins with a hypothesis. The scientist believes that a certain phenomenon occurs in a certain way and so he/she performs observations under the scientific method to prove that his/her hypothesis is valid or not valid. The systematization of the observations as well as of the empirical data collected might derive in a scientific theory that can explain the analyzed phenomenon. A scientific theory is a knowledge that was contrasted in several ways.