Answer:
The correct answer would be - a) missense.
Explanation:
A missense mutation is a type of a point mutation that is caused by the alteration or change in the a nucleotide of a triplet codon in a DNA sequence. This leads to a altered mRNA and incorporate different amino acid and ultimately different protein than usual.
This type of mutation can produce non functional protein by translation in most of the case and did not make any big change in the individual.
Thus, the correct answer would be - a) missense.
Answer:
A. Missense
Explanation:
edge 2020 100%
Which element provides strength to the exoskeletons of clams and oysters?
sulfur
oxygen
hydrogen
phosphorus
Phosphorus provides strength to the exoskeletons of clams and oysters. Thus, the correct option is D.
The exoskeleton of organisms including clams and oysters is made up of primarily calcium in the form of calcium phosphate and calcium carbonate.
Calcium phosphate is also present in the form of hydroxyapatite which is Ca₁₀(PO₄)₆(OH)₂ which provides invariable strength to the exoskeletal structure.
Thus, as phosphorus is a part of the exoskeleton, the correct option is D.
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what are oysters used for
Answer:
Well most people (like myself) eat oysters in a seafood boil. But you can also find a pear in an oyster and use it for a necklace or bracelet.
Explanation:
Answer:
Eating
Explanation:
7.Which of the following factors does not cause weathering of rocks.
A. light
B. temperature
C. water
D. wind
Answer:
Light I believe.
Explanation:
The origin and the insertion are made up of __________.
Answer:tendon
I think so..
Which process involves a decrease in the dispersal of matter? Select the correct answer below: heat exchange between two solids
Answer:
The options are
A.heat exchange between two solids
B.the decomposition of a compound into its constituent elements
C.the precipitation of a solid
D.none of the above
The answer is
C.the precipitation of a solid
Dispersal of matter involves the process whereby there is more space occupied by the resulting element/compound than the initial one. For example the conversion of liquid to gas means that it has an increase in the dispersal of matter as the gas particles will contain more space when compared to a liquid.
Precipitation of a solid means conversion of a liquid to a solid. A liquid is known to contain more space which means there is a decrease in the dispersal of matter.
The process that involved the reduction in the dispersal of matter should be the precipitation of a solid
What is the dispersal of matter?It refers to the process in which it contains the additional space that should be occupied. Like the conversion of the liquid to gas represent there should be increment in the disperson of the matter since the particles of the gas comprise more space at the time when the comparison is to be done with the liquid. Here, precipitation of the solid represent the transformation of the liquid to the solid.
This question is incomplete. Please find the options below.
A.heat exchange between two solids
B.the decomposition of a compound into its constituent elements
C.the precipitation of a solid
D.none of the above
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If the inner membrane of mitochondria was not folded, how would it affect the organism?
Answer:
There wouldn't be enough surface area for the electron transport chain.
Which conclusion can be drawn from the experimental observation that a single strand of DNA contains 2100 dA residues and 1800 dT residues?
a. There must have been some loss of material in the extraction because the number of dA and dT residues must be the same.
b. This is a palindromic sequence.
c. There must be 2100 dT and 1800 dA residues on the complementary strand.
d. This must be prokaryotic DNA
e. None of these
Answer:
c. There must be 2100 dT and 1800 dA residues on the complementary strand.
The enzyme carbonic anhydrase catalyzes the formation of carbonic acid from carbon dioxide and water. Imagine that you have two sealed tubes with carbon dioxide gas above a buffer containing water and carbon dioxide. One tube has carbonic anhydrase and the other does not. After 24 hours, both tubes are at equilibrium. Which statement below accurately describes the conditions in the tubes?
A. The tubes will have equal concentrations of carbon dioxide and carbonic acid
B. The tube with carbonic anhydrase will have a lower concentration of carbon dioxide and a higher concentration of carbonic acid than the tube with any enzyme.
C. The tube with carbonic anhydrase will have a higher concentration of carbonic acid than the tube with any enzyme, but the concentration of carbon dioxide will be the same in both tubes.
D. The tube with carbonic anhydrase will have a higher concentration of carbon dioxide and a lower concentration of carbonic acid than the tube with any enzyme.
E. It is not possible to determine the relative concentrations of the products and reactants without more information about carbonic anhydrase, such as the Km.
Answer:
The correct option is B: "The tube with carbonic anhydrase will have a lower concentration of carbon dioxide and a higher concentration of carbonic acid than the tube with any enzyme."
Explanation:
Since there is an enzyme present that catalyzes (i.e., speeds up) the reaction, it will make the process more efficient and thus, the conversion of carbon dioxide to carbonic acid will occur quicker as compared to the tube that does not have the anhydrase enzyme included in it. More carbonic acid would mean lower concentration of carbon dioxide.
The most abundant element in the body of living things is: a) Hydrogen b) Nitrogen c) Carbon d) Oxygen
Answer:
D. Oxygen
Explanation:
Oxygen is the most abundant element in the bodies of living things. For example, oxygen is about 65% of the human body.
Oxygen in the body is mostly in the form of water, since the bodies of living things need water to create energy needed every day.
If a father is affected by an X-linked dominant condition and the mother is not, which children can inherit the condition?
only males
neither males nor females
only females
O both males and females
Answer:
only females
Explanation:
In humans, sex chromosomes in males and females are different. The sex chromosomes found in humans are X and Y chromosomes. X-linked trait is a trait which is inherited on the X- chromosome. According to the question, the trait is passed on a X-linked dominant condition, which means the condition is inherited on the abnormal dominant X-chromosome that will express itself even when in an heterozygous state with a normal X-chromosome.
Hence, a father affected by the condition will have a genotype; XY while a mother that does not have the condition will have a genotype: xx (two normal x chromosomes). Since the Father can only pass his X chromosome to his daughters and never his sons, all his daughters will inherit the condition (see the punnet square in attached image).
N.B: None of the sons will inherit the condition since the mother will pass normal X-chromosomes (x) to her sons.
Blood vessels, made up of connective tissue and epithelial tissue, work together to form which level of organization?
Answer:
The organ level of organization is when two or more tissues work together for a specific function. For example, the bladder consists of an inner lining of epithelial tissue, bound by various connective tissues to (smooth) muscle.
Explanation:
I hope this will help you
Answer:
YOUR ANSWER IS ORGAN LEVEL ORGANISATION.HOPE IT HELPS
vì sao DNA của Prokaryote phải siêu xoắn
Answer:
poop
Explanation:
poop
why do veins have valves
Which of the following choices has had the most destructive impact on deciduous forests?
forest fires
termites and woodpeckers
humans clearing forests
chemical pollution
Answer:
humans clearing forests
Explanation:
What is the wavelength of an earthquake wave if it has a speed of 10 KM/S and a frequency of 5HZ?
Answer:
2nm
Explanation:
(10KM/S)/(5HZ) = 2nm
What are sustainable use practices?
(a) any materials that exist in nature and that are used by humans
(b) the managed consumption of natural resources to prevent their depletion or environmental destruction
(c) the deployment of fossil fuels to environments that previously did not have access to such resources
(d) ways in which individuals are able to conserve native animal and plant species
Answer:
The answer is B,
Explanation:
B. The managed consumption of natural resources to prevent their depletion or environmental destruction
Sustainable practices are managing natural resource consumption to prevent depletion or environmental destruction. Therefore, option "B" is correct.
what are sustainable practices?Manageable practices support biological, human, and monetary well-being and imperativeness. Supportability assumes that assets are limited, and ought to be utilized moderately and shrewdly so as to long haul needs and outcomes of the manners by which assets are used.
Organizations and individuals that consideration about supportability are likewise less inclined to infringe upon the regular living spaces of wild creatures, consequently safeguarding the biodiversity of our planet.
Therefore, sustainable practices help the planet breathe and are also beneficial for human beings.
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as you read through the research in case study: sea turtles, keep in mind the three basic steps of addressing challenges to ecological well-being. answer these three questions as you review the information on the everglades
Three question that are missing from given question are as follows:
Identify the problem(s) at hand.
Determine the cause of the problem(s).
Recommend solutions to the problem(s).
Answer:
The nesting area of ocean turtles could be saved and secured with the assistance of commitment of neighborhood individuals , maintaining a strategic distance from of beach fires during nesting season. Leave the enough beach area for the turtles to hatch their egg and nesting.
There ought to be negligible lighting close to the settling regions as arched turtles are attracted to light and they may wind up moving towards the city as opposed to the water. Local people could protect the hatching eggs from other wild creatures and winged animals by tagging them and keeping a nearby eye.
Beach region should be cleanup as the debri are the significant reason forever danger to the turtles and all other marine creatures.
Most gastrointestinal infections are treated with
A. Antitoxin
B. Penicillin
C. Water and electrolytes
D. Quinacrine
E. Thorough cooking
Explanation:
Through water and electrolytes.
During the absorptive state, glucose levels are
and insulin levels are
intermediate; low
low: high
high; low
high; high
2
low; low
Answer:
high; low..............,.......
After entering a dark room, you turn on a light switch, but the light does not come on. Please suggest three different hypothesis that might explain your observation. Please also note how you might test these hypotheses and describe what observation(s) may lead you to conclude that one of the hypothesis is correct.
Answer:
First hypothesis; may be the power is cut. ( no power supply) Second hypothesis; may be the light switch is defective ( wall switch not working )Third hypothesis; maybe the bulb is burnout ( light bulb may not be working )Explanation:
The three possible hypothesis for light not to turn on immediately after one on the switch are;
First hypothesis; may be the power is cut. ( no power supply) Second hypothesis; may be the light switch is defective ( wall switch not working )Third hypothesis; maybe the bulb is burnout ( light bulb may not be working )We test the first hypothesis, how?
We check if other electronics connected to the same sources of power supply as the bulb is working. If the electronics are not working, then the first hypothesis is correct but if they are working then the hypothesis fails and we move on to test the next hypothesis.
To test for the second hypothesis as the first hypothesis fails, we remove the bulb and fix it into another socket which has a working switch. If the bulb comes on then the second hypothesis is correct but if the bulb does not turn on then the hypothesis fails so we move on to test the third hypothesis.
As the bulb fails to turn on in our initial socket and a second bulb is fixed in that same socket and it came on, then the third hypothesis is correct.
The three hypotheses we can derive from entering a dark room, turning on a
light switch,and the light not coming on include
There may be no power source at that momentThe bulb may be faultyThe switch may be faultyA power source helps to provide energy to power up an appliance and where it is absent, the bulb won't light up.
A defect in the switch and bulb may also hinder the light from coming on as
the switch controls electric current flow while the bulb produces the light.
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Why, in your opinion, are there no final answers in science? Relate your answers to the study of the learning process.
Answer:
In science, answers do not have a final answer because not everything about the answer can be answered. Nothing can be told as 100% correct, and parts of the answer can change over time. For example, if you are doing a science project on how much water a plant needs to grow, each plant will grow differently, and you would have to wait and see how much water it needs to grow.
Hope this helped.
Explain to your lab mate the health risk associated with consuming a diet low in vitamin K along with the ingestion of antibiotics over multiple days. How would the termination of antibiotic treatment help to remove this health risk?
Answer:
Vitamin K, a fat soluble vitamin is rich in green leafy vegetables,and also produced by bacterial in the intestine.
Its major function is blood clotting or arrest of bleeding to prevent blood loss.
Antibiotics especially with Cephalosporins,reduces Vit. K absorption in the intestine. Intake of these antibiotic kill the targeted bacterial together with the the bacteria which produces Vit. K in the intestine.
Hence when antibiotic is taken with low level of Vit, K the individual is prone to excessive bleeding or haemorrhage,because the concentration of the vitamins is further depleted.
If the medication is stopped,the condition will improve because the bacteria which produces Vt K can resumes the secretions,and its absorption will resume
Explanation:
what is magnetic induction
Answer:
The process of gaining or obtaining temporary magnetism in magnetic material due to the effect of magnet is called magnetic induction.
Answer:
Hey buddy here is your answer:-Magnetic Induction is the process by which an object or material is magnitized by an external field...Explain how deforestion can lead to water pollution.
Hello I am new here can help.Thanks
Answer:
Although loss of forest cover can increase runoff, the increased runoff can accelerate soil erosion and increase the sediment load and turbidity of water sources, thus decreasing the water quality.
Explanation:
Explanation:
although loss of forest cover can increase runoff the increased runoff can accelerate soil erosion and increase the sediment load and turbidity of water source does decreasing the water
What is the best way to ensure that results of a study are generalizable to a population?
By making sure to use as many participants as possible
By making sure the results are significant
By making sure to use an equal number of men and women
By using random assignment
By using a random selection of people in that population
The best way to ensure that results of a study are generalizable to a population is by using a random selection of people in that population
The goal of every research experiment is to obtain results that are generalizable to a whole population.
This is achieved by the method of random selection. In random selection, members of the of the population are selected in such a way that is representative of the entire population. If for instance, I want to study a school having six classes which comprises of boys and girls. There are 700 students in the school and I need only 180 students to participate in a study whose results will be extrapolated to all the 700 students. I can decide to randomly select 15 boys and 15 girls from each class to participate in the study. This is an example of random selection.
In this way, the results obtained from the study is reflective of the whole population even though only a sample of the population actually participated in the study.
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Assuming that there is no other variation at the sites not represented, how many SNPs are present at this portion of the sequence
Answer:
1.4 million SNPs are present.
Each of two parents has the genotype blue/brown, which consists of the pair of alleles that determine eye color, and each parent contributes one of those alleles to a child. Assume that if the child has at least one blue allele, that color will dominate and the child's eye color will be blue. a. List the different possible outcomes. Assume that these outcomes are equally likely. b. What is the probability that a child of these parents will have the brown/brown genotype? c. What is the probability that the child will have blue eye color?
Answer:
See the answer below.
Explanation:
Let the allele for eye color be represented by A. Blue is dominant over brown eye color, hence, blue allele would be A while brown eye allele would be a.
Two parents have the genotype blue/brown which is equivalent to Aa.
Aa x Aa
AA 2Aa aa
blue eyes blue eyes brown eyes
a. Different possible outcomes: AA blue eyes, Aa blue eyes, and aa brown eyes.
b. Probability of a child from the cross having brown/brown (aa) genotype = 1/4 or 25%
c. Probability that the child would have blue eye color = 3/4 or 75%
Without this, many cycles such as the water cycle and photosynthesis would not exist. What could all these cycles not exist without?
Answer:
This question appears incomplete
Explanation:
This question appears incomplete. However, one similar substance that, if missing, many cycles (particularly the two cycles/processes provided in the question) will not exist/proceed is the sun/sunlight.
In the water cycle for instance, if there is no sun/sunlight, there will be no heat to allow for evaporation of water from the water-body (ocean, sea, stream or lake) hence there will be no cloud of water droplets in the atmosphere. The implication of this is that, the first process of the water cycle will not proceed, hence the cycle will not exist.
During photosynthesis, carbondioxide reacts with water in the presence of sun/sunlight to produce glucose and oxygen. The absence of sun in this reaction will not lead to the production of glucose which is the useful product of photosynthesis for plant.
From the explanation above, it can be deduced that the absence of the sun/sunlight will prevent the two cycles from existing.
I know it’s sorta not biology but oh well... so my teacher loves rocks and is wanting us to find a rock and name what type it is and so on and I know it is sedimentary but don’t know what type.
Answer:
I guess its sandstone
3'T.A.C.C.A.T.A.T.T.G.A.G.5'
Answer:
a u g g u a u a a c u c
Explanation:
i think this is it, but there is no explanation of what to do