Answers
Answer:
d) Organic molecules make up most nonliving things.
Explanation:
Nonliving things are not organic so they would not have organic molecules.
Related Questions
Describe how you know the number of protons and electrons in an atom.
Answers
The number of protons, neutrons, and electrons in an atom can be determined from a set of simple rules. The number of protons in the nucleus of the atom is equal to the atomic number. The number of electrons in a neutral atom is equal to the number of protons.
Which event might occur if the populations of producers in an ecosystem became unstable? A) The direction of energy in the food web would change directions and flow toward the producers. B) Decomposers would become the primary energy source. C) The number of primary consumers would decrease dramatically. D) The energy flow into the food web would decrease or increase along with changing populations of producers. THANK YOU !!! :-)
Answers
Answer:
If the populationsl of producers in an ecosystem became unstable the energy flow into the food web would decrease or increase along with changing populations of producers.
Answer:
Answer: option D.
Explanation:
Hey, there!
Reason: The reason is, when the number of producers are unstable, the flow to enegry from abiotic components to biotic components will be destructed. There will not be proper flow of enegry in whole ecosystem, which usally changes the flow of enegry as per the number of producers.
Hope it helps...
Which agreement led to the reduced release of chemicals that harm the ozone layer?
Answers
Answer:
The Montreal Protocol
The Montreal Protocol, finalized in 1987, is a global agreement to protect the stratospheric ozone layer by phasing out the production and consumption of ozone-depleting substances (ODS).
Newtons third law is sometimes called??? Help
Answers
Answer:
equal and opposite are called Newtown third law
what is a saturated fatty acid
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Answer:
A saturated fat is a type of fat in which the fatty acid chains have all or predominantly single bonds. A fat is made of two kinds of smaller molecules: glycerol and fatty acids. Fats are made of long chains of carbon atoms. Some carbon atoms are linked by single bonds and others are linked by double bonds.
Answer:
Image B. this is because saturated fats only have single carbon to carbon bonds.
Explanation:
Look at the graphic in the section "What Are the Steps In The Scientific Method?"
According to the article, what is represented by the step called "Hypothesis"?
Answers
Answer:
Brief description of the Orginal experiment state what was done
Explanation:
What did you change?
How did the changes help answer the question
Nitric acid is a chemical that is used in the production of fertilizers. The chemical formula of nitric acid is
HNO3
Which of the following are true for a nitric acid molecule?
Select all that apply.
A. It has three atoms.
B. It has three different types C. of atoms.
D. It has three oxygen atoms.
Answers
Answer:
D is the right answer
Explanation:
Answer:
It has three atoms.
It has three oxygen atoms.
Explanation: I just took the test :D
In which of the following biomes is annual precipitation lowest?a. tundrab. taigac. grasslandd. temperate deciduous foreste. tropical rain forest
Answers
Answer: Option A.
Tundra
Explanation:
Tundra biome have the lowest annual precipitation because it is the coldest of all the biomes and it is plain without trees and have frost molded land scape. It have low or poor nutrients which do not support plants growth, low temperature or have the lowest temperature, little precipitation and short growing seasons.
It's annual precipitation is less than 25 centimeter annually and they are also considered as desert, after the short growing seasons, it is followed by harsh conditions which the plants and animals present there posses a special type of adaptation for survival in the area. They are found in high altitude landmass such as Canada, Russia, Alaska e.t.c.
Pretend you’re a researcher in charge of conducting new research on the flu research on the flu virus. Identify four scientific questions you’d like to answer through your research.
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Answer:
Explanation:
A scientific researcher performs scientific methods to answer any natural process. The researcher will follow the protocol of a scientific method which includes: observe the natural phenomenon, ask related questions, suggest a hypothesis, perform the experiment and suggest answers.
In the given question if the researcher has to study about the flu virus, the possible questions he would ask will be:
1. The life cycle of the flu virus.
2. Effect of the virus on the life of an organism.
3. The mechanism used by the virus to replicate and to infect any organism.
4. Molecular mechanism of a virus.
Answer:
My 4 scientific questions would be:
* How does the virus start every year?
* How do we make the virus fully go away?
* Why does this virus happen?
* Can this virus become a serious issue in the future?
Explanation:
The relative concentration of each in the plasma membrane is partly regulated by the:_______
Answers
Answer:
ion channels
Explanation:
The plasma membrane plays a critical role in regulating and maintaining ionic potential inside the cell, relative to ionic concentration present outside the cell. The ion channels are specific, in that they only recognize and allow particular ions to pass through and block the rest. Their opening and closing depends on the ionic potential during that time period.
Changing a solid to a liquid to a gas is changing the ___ of matter
Answers
Answer:
state or RARELY form
Explanation:
What important function do stream pools serve?
a. Stream pools serve as a habitat for juvenile fish.
b. Stream pools serve as a habitat for organisms that have difficulty in feeding or navigating
swifter areas of the stream.
c. They have greater depth and lower velocity than other parts of the stream, thus allowing a
habitat for organisms during dryer seasons.
d. All of the above
Answers
Answer:
D. All the above
Explanation:
The important function of stream pool are;
Stream pools serve as a habitat for juvenile fish.Stream pools serve as a habitat for organisms that have difficulty in feeding or navigatingswifter areas of the stream.
They have greater depth and lower velocity than other parts of the stream, thus allowing ahabitat for organisms during dryer seasons
What is stream pool?Stream pool refers to an extension or stretch of a river or stream in which the water goes deep and the depth is above average of other water source and the water velocity is also.below average.
Stream pool is formed from beddings of sediments or can be armoured with gravel.
Therefore, the important of stream pool are;
Stream pools serve as a habitat for juvenile fish.Stream pools serve as a habitat for organisms that have difficulty in feeding or navigatingswifter areas of the stream.
They have greater depth and lower velocity than other parts of the stream, thus allowing ahabitat for organisms during dryer seasons
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Would Volcano change the climate?
Answers
Answer:
yes
Explanation:
When volcano brusts out then the harmful radiation and harmful particles gone mixed into the climate which makes the climate and environment pollute . Radiation covers the atmosphere and block the sun rays . When sunlight doesn't comes to the surface of the earth then the climate starts to pollutes. Hence volcano change the climate.
Thank you..
1What do we call an environment free of bacteria?
sterlle
clean
empty
Infected
Answers
Answer:
sterile
Explanation:
sterile means free from micro-organisms
use an outline to explain
anaerobic respiration
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Answer:
Anaerobic respiration is used commercially in the production of beer, wine, bread, yogurt, and cheese.
Hope this helps :)
5. Could Trypsin work in the stomach?
Why do you think that?
Answers
g What are the three basic assumptions of Darwinian evolution? Group of answer choices Presence of phenotypic variation, some phenotypic variation due to genetic variation, the given trait has an impact on fitness Presence of phenotypic variation, environmental variation, the given trait has no impact on fitness Presence of phenotypic variation, environmental heritability, the given trait has an impact on fitness Presence of phenotypic variation, trait present in only the mitochondrial DNA, the given trait has an impact on fitness
Answers
Answer:
1- Presence of phenotypic variation
2- some phenotypic variation due to genetic variation
3- the given trait has an impact on fitness
Explanation:
The evolutionary theory by natural selection proposed by Darwin in his publication “On the origin of species” (1859) is based on a series of assumptions that enable to understand the amazing biodiversity on the Earth. First, individuals are not identical among them, i.e., there exists variation in the traits among the members of a given population, species, etc. Second, phenotypic variation leads to differential survival and reproduction of the organisms that are best fitted to the environment (i.e., competence among the members of the population). Finally, phenotypic traits are passed from generation to generation (i.e., phenotypic variation is inheritable), thereby favoring offspring from parents more adapted to the environment.
A mutation occurs, and cytosine is replaced with adenine. What impact do you think this will have on the DNA structure?
Answers
Adenine is larger than Cytosine base pair which make it unable to base pair properly with the guanine on the opposing strand. This will cause the DNA to bulge.
What is Mutation?Mutation refers to a sudden change. It is a change in the nucleic acid sequence of an organism's genome. This results in changes to the cell's DNA sequence that can be caused by mistakes during cell division, or by exposure to DNA-damaging agents in the environment.
There are two major types of mutations which are:-
1. Germline mutations
This type of mutation occur in gametes
2. Somatic mutations
This type of mutation occur in other cells of the body.
There are also some types of mutations that are found. They are
1. Base substitutions
2. Deletions
3. Insertions.
Thus, Adenine is larger than Cytosine base pair which make it unable to base pair properly with the guanine on the opposing strand. This will cause the DNA to bulge.
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A part of an mRNA has the sequence AGA. Use the table below to figure out which amino acid is coded for by AGA, then use the table to figure out which change to the sequence would indicate a silent mutation. A. AGG B. AUA C. GAG D. GGA
Answers
Answer: it’s AGG
Explanation:
A part of an mRNA has the sequence AGA. By Using the table below to figure out which amino acid is coded for by AGA, then after using the table it has been figured out that it is AGG. Thus, option A is correct.
What is the procedure to use the codon?The procedure to use this codon table for the code CAU, we first find C on the left side which is A on the top, as well as U on the right. When this has been found, the amino acid will be given to the right of the codon anf just from this table, we can find that CAU has the codon for the Histidine.
A silent mutation has been known as the mutation that has been occured and there will be no detectable change in that particular amino acid sequence. The mutation that has been occurs must still produce the same amino acid in this case, Histidine must still be produced.
If we look at the particular table, there has only one other codon that gives the Histidine amino acid. This codon has CAC. So we know that the original codon is the CAU and the other codon is CAC - and at last we can say that the third nucleotide in the codon can be mutated from a uracil (U) to a cytosine (C) and still produce histidine, causing a silent mutation.
Therefore, option A is the correct option.
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As the adrenal gland releases glucocorticoids, which of the following effects may be observed? a) Increased blood levels of amino acids
b) Decreased blood pressure and volume
c) Decrease in immune system function
d) Lipid breakdown in the liver will increase
e) Increased water absorption in the kidney
f) Increased blood glucose levels
Answers
Answer:
The correct option is F) Increased blood glucose levels
Explanation:
The release of glucocorticoids into the body is part of the body's chemical process for managing stress and ultimately prepares the body for fight or flight.
The body anticipates that it may consume additional fuel/energy during elevated stress levels, it therefore through the adrenal cortex which is situated above the kidneys, sends glucocorticoids into the body.
The glucocorticoids trigger the body's metabolism with regard to breaking down stored fuel in order to produce the required energy that it needs.
Cheers!
flow chart of components of blood
Answers
Explanation:
Plasma
White blood cells
Red blood cells
from top to base of test tube
How might factors like hormones, chemicals, and the weather influence criminal behavior?
Answers
Answer:
These substances alter signaling pathways associated with cognitive functions
Explanation:
It is well known that cortisol hormone is secreted by the adrenal glands in stressful situations. In criminals and convicts, constant and high levels of cortisol have been observed, thereby it is believed that this hormone is associated with criminal behaviors through a 'constant stress-stimulation state'. Moreover, addictive drugs are known to literally destroy the brain. These drugs bind to hormone-like receptors involved in feedback responses. In consequence, after drug consumption, neural pathways will be altered and cognitive functions will be harmed. Finally, evidence linking wheater with criminal behavior is not conclusive.
Do particles have weight and or mass?
Answers
Over time, plants developed structural adaptations of vascular systems and seeds in order to
Answers
Answer:
Transport materials such as fluid and propagation
Explanation:
Planta with vascular systems are called tracheophytes, this plant dominate the ecosystem in terrestrial habitat and were successful because of their tube like vascular tissues.
The vascular tissues are used in transporting of fluids such as minerals, photosynthate and are usually made up of cells that are long and narrow end that forms tubes. There are two different types of vascular tissues, called xylem and phloem.
This systems help transport nutrient required for plants growth and development to avoid plant loss and redundant growth.
Seed plants allows them for propagation and ensures continuity
Answer:
colonize land ecosystems.
Explanation:
penn
22.Which among the following is not the mode of excretion in plants?
(1 Point)
Diffusion
Stores the waste in dead permanent tissue
Nephridia
Answers
Answer:
Nephridia
Explanation:
diffusion helps liquid and gas in to speed up the rate of higher concentration to the region of lower concentration...
What is meant by the scientific term "blob”?
Answers
What organ system maintains blood oxygen and carbon dioxide levels?
Answers
Answer respiration system
Explanation:
cause
why is still water an ideal enviroment for mold and cast fossils
Answers
Answer:
Sediment builds up over organisms.
Explanation:
Answer:
Sediment builds up over organisms.
Explanation:
i got it correct on edge nuity
Explain, in your own words, how you would use the light microscope to view a wet mount of a protist, assuming the microscope is plugged in and that the light source is on. Please use at least the following 9 structures in your description and underline them as you use them: stage, stage clip(s), stage knob(s), eyepiece, scanning objective lens, low power objective lens, high power objective lens, coarse focus knob, and fine focus knob.
Answers
Answer:
Please find the detailed explanation/description on how to use the light microscope to view a wet mount of a protist. The 9 structures mentioned in the question are in CAPS.
Explanation:
- Firstly, the slide containing the wet mount of the protist is prepared and placed at the centre of a lowered STAGE. The STAGE CLIPS over the sides of the slide are used to hold it in place.
- The revolving turret or nosepiece is turned so that the LOWEST POWER OBJECTIVE LENS is in position i.e. directly above the sample/slide. The SCANNING OBJECTIVE LENS, the lowest objective lens with power of 4x is used initially.
- The slide is viewed through the EYEPIECE, and the image is brought into focus using the STAGE KNOBS.
- The COARSE FOCUS KNOB is turned until the protist on the slide is brought into broad focus. The FINE FOCUS KNOB is then used to bring the image on the slide into sharp focus.
N.B: The OBJECTIVE LENS should not touch the cover slip on the slide during this process.
- When the protist on the slide is clear using lowest power objective lens, the revolver turret can be rotated to allow HIGHER POWER OBJECTIVE LENS.
- Due to higher magnification of the HIGH POWER OBJECTIVE LENS, the protist might need to be refocused using the FOCUS KNOBS.
Answer:
A light microscope is an instrument commonly used in the laboratory which makes use of light rays for viewing and enlarging smaller objects/organisms.
The wet protist is first of all put on the slide then the slide is placed on the Stage which is the flat podium where the slides containing the samples are put for viewing.
The Stage clips are then used to hold the slide containing the wet protist in proper place for a better viewing result.
The Coarse and fine focus knobs are used to adjust the stage by raising and lowering it .
The major difference is that the coarse focus knobs move more rapidly and is used with a low power objective lens while the fine focus knobs move less rapidly and are to be carefully controlled as it functions with a high power objective lens
The Eyepiece which is also referred to as the Ocular lens is then used to view the protist.
However, the view can then be adjusted with the Scanning objective lens which provides an image of the protist with the least magnification of 4X when compared to other lenses.
The low power objective lens and high power objective lens have magnifications of 10X and 40X respectively and can be used to view smaller structures of the protists which the naked eyes and scanning objective lens can't view.
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If I put 1 mole of substance A and 2 moles of substance B into 1 liter of water, which
of the following best describes what I have made?
Answers
Answer:
molar masses
Explanation: