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The table shows a DNA sequence and three types of mutations that can change the DNA sequence.
Mutton
Original
Which mutation will cause translation to stop?
Mutation
1
ATC
UAG
Mutation
3
TCC
AGG
DNA codon
mRNA Codon
TTC
MAG
TTT
AAA
А
Mutations 1 and 3 only
B
Mutation 1 only
mRNA Codon Chart
Second Position
U
С
Mutation 2 only
w
Phe
Cys
D
Mutations 1, 2, and 3
U
VCU
uc
UCA
UCO
COU
STOP
Leu
WO
G
Leu
Ang
CUS
cud
CCA
CCG
NCU
ACC
ACDC Code Red
URU
UGU
Ty
URC
UGG
UA STOP UGA
UNG STOP UGG
CAU
COU
CGC
CAN
Gin
(CGG
MU
MU
A
The
MAC
GC
MA
MG
GAD
GOU
CAC
Asp
GA
GO
GO
le
AU
A
Sor
AUG
ThO993
MEE
G
Val
Gud
GU
God
ceu
( GCC
GEA
GCG
G
earch
(99+
W
65%
Answers
Answer: 1 hope it helps
Explanation:
Mutation 1 will cause translation to stop as there is presence of stop codon UAG, UAA, UGA.
What are the stop codons ?
In DNA or messenger RNA (mRNA), a stop codon is a sequence of three nucleotides (a trinucleotide) that tells the cell to stop making proteins. There are 64 distinct codons for trinucleotides. Three stop codons (UAA, UAG, and UGA) and 61 specific amino acids are included.Several codons, or triplet bases, make up the universal genetic code. To reduce coding errors, the standard code has developed over time. The genetic code is made up of 64 codons that are the result of the four bases in nucleic acids being permuted and combined.Since more than one codon can encode for a single amino acid, the genetic code is degenerate. Consequently, 61 of the 64 codons encode the 20 amino acids.The START and STOP codons, two punctuation marks in the genetic code, indicate the conclusion of protein synthesis in all organisms.Because it is the first codon in the transcribed mRNA to undergo translation, the codon AUG is referred to as the START codon. The amino acid methionine (Met) in eukaryotes and formyl methionine (f Met) in prokaryotes are both encoded by the most prevalent START codon, AUG. With the assistance of a few initiation factors, the t RNA recognizes the START codon AUG during protein synthesis and initiates mRNA translation.Amber (UAG), opal or umber (UGA), and ochre (UAA) are the three STOP codons. Charles Steinberg and Richard Epstein discovered Amber" or UAG and gave it the name "amber" after the German meaning of their friend Harris Bernstein's last name. In order to keep with the theme of "color names," the two remaining STOP codons were subsequently given the names "ochre" and "opal."To know more about codons check this:
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Related Questions
PLEASE HELPPP!!!!
Choose the best explanation of a partial solar eclipse?
A. The earth only partially covers the sun during the eclipse
B. The moons phase is full and blocks out most but not all of the sun
C. During a new moon phase there is usually a partial but not total eclipse
D. The moon only partially covers the sun during the eclipse
Answers
Answer:
The best explanation for a partial solar eclipse is that moon only partially covers the sun during the eclipse (option D).
Explanation:
A solar eclipse occurs when the moon stands between the sun and the earth, which happens when the moon is near the plane of the ecliptic, that is, the point where the orbits of the earth and the sun intersect.
A partial solar eclipse occurs when the moon partially covers the sun, which depends on the observer's point of view on the earth and his geographical location.
The other options are not correct because:
A. If the earth stands between the sun and the moon, lunar eclipses occur.
B and C. During a solar eclipse it is not possible to see lunar phases, which occur when the sun's rays are reflected off the satellite.
Answer:
for a little easier answer from the other one on this question basically the answer is D.
Explanation:
The plasma membrane is selectively permeable. It allows some substances to enter and leave the cell unrestricted while others are restricted. Some toxins produced by certain bacteria cross the plasma membrane, interfering with normal chemical reactions, and ultimately killing the affected cell. Why are cells unable to stop the flood of these harmful substances into the cell
Answers
Answer:
There are specific receptors present on the surface of the normal cell membrane to recognize the molecules to allow them to pass or not. Most of the bacterial toxin are water-soluble molecules, and bound to the cell surface and interact with them as some time antibody-antigen interaction or cell recognition does not occur that form a pore in the cell membrane and toxins move into the cell.
Once toxins enter the cell they attack intracellular targets through endocytic vesicles. Ultimately these ends in cell death.
The cells are not able to stop the flow of the mentioned harmful substances into the cell as they fail to recognize them as foreign entities. These foreign toxins have intracellular targets with which they bind and lead to death of the cell.
Cell death due to foreign toxins:The plasma membrane is formed of lipids. The toxins produced by the bacterial cells are water soluble. Therefore, they identify particular receptors on the membrane and associate with them. Thus, cell at certain occasions fail to identify them as foreign entities.
They combine with the plasma membrane of the cell and induce pore formation, however, there are many toxins that invade the cell and possess intracellular targets via endocytic vesicles. With the help of these vesicles, they deliver their enzymatic domain into the cytosol and results in the death of the cell by obstructing the metabolism of the cell.
Thus, cells fail to identify the bacterial toxins as foreign entities and they invade the cell and results in cell death.
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Answers
Which of the following biological processes releases oxygen into the atmosphere?
Answers
Answer:
photosynthesis
Explanation:
wcogo (gocow backwards)
water+carbon dioxide->glucose+oxygen
In a direct variation, y=39 when x=3. Find the value of y when x=2.
1.) 58.5
2.) 26
3.) 02
4.) 3
Answers
Someone pls helppp quick!!!!
Answers
Answer:
First one
Explanation:
A molecule of glucose has 10 fewer hydrogen atoms than a molecule of sucrose
Sucrose- H22
Glucose-H12 + 10 =22
Hope this is right!
Which organelle aids in the maintenance of cell homeostasis by selectively regulating The passage of materials into and out of the cell?
A. Plasma membrane
B. Lysosome
C. Ribosome
D. Nuclear membrane
Answers
Answer: Plasma Membrane.
Explanation:
Plasma membrane controls what goes in and out of the cell and maintains a stable internal environment.
Lysosomes breaks down dead stuff and can program the cell death.
Ribosomes create proteins.
3. Which of the samples shown below are eukaryotic?
• A. B and D
• B. B and C
• C. A, C, and D
• D. A, B, and D
Answers
Answer:
b and c
Explanation:
A plant has 3 parts, parallel veins, no main tap root, and the endosperm is separate.
Is this plant a monocot or a dicot?
Answers
Predict the effects of injuries to the following structures: Cerebellum, Pons, Thalamus
Answers
Answer:
Explanation:
if cerebellum become injured then problems occur in those activities of the body which are controlled by cerebellum like speeching,thinking,learning and sensation of sound and light.
if pons become injured then problems occur in those activities of the body which are controlled by pons like inspiration expiration biological and rhythm.
thalamus control pleasure and fear feelings so if thalamus become injured then problems occur in pleasure and fear feelings
ASAP!!!!!!!!!
How do plants help prevent erosion?
Plant leaves take in carbon dioxide during photosynthesis.
Plant roots absorb water from the ground.
Plant roots help to hold soil in place.
Plant leaves are used to create fabrics and other materials.
Answers
Answer:
plant roots hold soil in place
Explanation:
have a nice day
Answer:
plant roots hold soil in place
Explanation:
top person star whatever was right
I need some help on this worksheet ASAP please
Answers
Answer:
sorry I don't know the answers
PLEASE HELP!!!! DUE AT MIDNIGHT
Drag the tiles to the boxes to form the correct pairs.
Match the parts of fruits.
Answers
Answer:
Exocarp is the outer layer
Endocarp surrounds the seed so I suppose the papery part
Mesocarp I think is the fleshy stuff.
Hope it helps!
Explanation:
In pea plants, plant height is controlled by a single autosomal dominant gene. Tall plants (H) are dominant to short plants (h). A tall plant with the genotype capital H lowercase h crossed to a tall plant with the genotype capital H lowercase h. In a cross of two tall heterozygous plants, which phenotype ratio is expected from the resulting offspring?
Answers
Answer:
3:1 (Tall=75%)(Short=25%)
(20 point) {brainliest} please help meeee
A person is sitting with his hands in his lap, palms down. Which of the following statements is true?
A. The palms are on the inferior surface of the hand.
B. The palms are on the posterior surface of the hand.
C. The palms are on the anterior surface of the hand.
D. The palms are on the dorsal surface of the hand.
Answers
PLEASE HELP ME WITH THIS AND HURRY WILL MARK AS BRANLIEST!!!!!! Why do leaves change color in the fall? Research this phenomenon and write a two-page report describing what happens. Be sure to include an introduction and a conclusion to your report. Use the information you have learned in this lesson about chlorophyll, the green plant pigment, and its role in photosynthesis to help you explain what happens in the fall.
Answers
Answer:
Leaves are always the color they turn in the fall
Explanation:
The chlorophyll created when the leaves use sunlight to create energy for the tree has a green pigment that covers the leaves actual colors. As the leaves separate from the trees they stop making chlorophyll, thus allowing the leaves true colors to return.
I hope this helps and good luck on that two-pager!
Answer:
During the fall the day gets shorter hence less sunlight this results to leaves stopping their food making process. The chlorophyll breaks down, the green color disappears and the yellow to orange color becomes visible
Explanation:
If a woman is heterozygous for widow's peak
(widow's peak is dominant over a smooth hairline) has children with a man with a smooth hairline, what
are the possible phenotypes of their children?
It is impossible to determine the possible phenotypes.
O All of their children will have a widow's peak.
O None of their children will have a widow's peak.
It is possible for their children to either have widow's peak or a smooth hairline.
Answers
Answer:
It is possible for their children to either have widow's peak or a smooth hairline.
Explanation:
Let's say that the widow's peak allele is W (dominant) and the smooth hairline is w (recessive).
A woman heterozygous for widow's peak is Ww. A man with a smooth hairline must have two copies of the smooth allele since it is a recessive trait, so he must be ww.
The cross is Ww x ww
W w
w Ww ww
w Ww ww
There is a 50% chance that the children will have the genotype Ww, and therefore have a widow's peak. There is a 50% chance the children will be ww, and will therefore have a smooth hairline.
So, It is possible for their children to either have widow's peak or a smooth hairline.
help me pls!!!! I have to get a good grade!!!
Answers
1.what are three factors that affect the rate of chemical reactions?
2.select one of these factors and describe how it affects chemical reactions within our bodies.
Answers
Explanation:
The factors that affects the rate of chemical reactions are;
Nature of reactants Concentration of reactants or pressureTemperature Presence of catalystSunlightIn our body, the nature of reactants is very important. A food substance in solid form undergoes slow digestive process because it has little surface area exposure for the action of digestive chemicals. Most solid food are usually chewed in the mouth before digesting them to increase their surface area.
The increasing order of food digestion is;
lumps to granules to powder and to liquids.
Proteins are responsible for which of the following functions?
Answers
Answer:
2, 3, 4, 5
Explanation:
I think this is right sorry if I get it wrong
If an organism has 5 chromosomes in its sex cells, how many would it have in its body cells?
O. 2.5
O. 5
O. 10
O. 15
Answers
Your sex chromosomes have half your body chromosomes
Which of the following scenarios describes an example of epistasis?
Answers
What o uawant me to do exactly
Answer:
In rabbits and many other mammals, one genotype (ee) prevents any fur color from developing.
Hope this helps!!! :D
if a sample contains 20g of an isotope that has a half life of 1000 years how much will be left after 2000 years
Answers
After 2000 years, there will be 5g of the isotope remaining.
What is an isotope?If an isotope has a half-life of 1000 years, it means that after 1000 years, half of the original sample will have decayed. After another 1000 years (2000 years total), half of the remaining sample will have decayed, and so on.
To calculate how much of the sample will be left after 2000 years, we can use the following formula:
[tex]N = N_{0} * (1/2)^ (t/T)[/tex]
where:
N = the amount of the isotope remaining after time t
N0 = the initial amount of the isotope
t = the time that has elapsed
T = the half-life of the isotope
Plugging in the values from the problem, we get:
N = 20g * (1/2)^(2000/1000)
N = 20g * (1/2)^2
N = 20g * 1/4
N = 5g
Therefore, after 2000 years, there will be 5g of the isotope remaining.
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What type of hormone is testosterone?
a steroid hormone
a protein hormone
a neurotransmitter
Answers
a) a steroid hormone
When you sweat a lot the amount of water in your blood can drop. Your cells have to maintain a certain level of water and salt in order to function properly. Which systems work together to help maintain homeostasis when you are dehydrated?
Group of answer choices
The nervous system sends a message to the musculoskeletal system to increase the amount of sweat produced.
The nervous system sends a signal to the digestive system to reduce the absorption of water from the digested food.
The respiratory system breathes faster sending a message to the nervous system to reduce heat.
The circulatory system’s lack of water causes the nervous system to signal the excretory system to reduce the amount of water it takes from the body to produce urine.
Answers
Answer:
The circulatory system’s lack of water causes the nervous system to signal the excretory system to reduce the amount of water it takes from the body to produce urine.
Explanation:
endocrine, nervous, and muscular systems work together and maintain temperature homeostasis.
HHRRTSEE rearrange this
Answers
Answer:
THRESHER
Explanation:
(10 points} {brainliest} PLS HELP <33
The mechanoreceptors sensing light touch are concentrated on
A. the back of the body.
B. hairy skin like forearms and legs.
C. hairless skin like lips and fingertips.
D. the scalp.
Answers
Answer:
Hairless skin areas
Explanation:
The mechanoreceptors sensing light touch are concentrated on Hairless skin like lips and fingertips, option C is correct.
Mechanoreceptors sensing light touch are most concentrated on hairless skin regions such as lips and fingertips. These areas have a higher density of specialized touch receptors, known as Meissner's corpuscles and Merkel cells, which are particularly sensitive to light touch sensations. Hairless skin allows for more direct contact with external stimuli, enhancing the perception of gentle touch and fine tactile discrimination.
In contrast, areas with hair, like the back of the body or the scalp, have a lower density of these mechanoreceptors and are more involved in detecting other sensory modalities such as temperature or pain, option C is correct.
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On a very cold morning, Boojho and Paheli were talking with each other as they walked down to their school. They observed that the air comming out of their mouth looked loke smoke. They were amused and wondered how it happened. Help them find the answer
Answers
Answer:
condensation
Explanation:
Which would most likely be found as a petrified fossil form?
frozen mammoth
fish skeleton on the shore
dinosaur skeleton
insects in amber
Answers
Answer:
dinosaur selection
Explanation:
over time the selection is covered by sediment and is replaced by minerals
Answer Dinosaur Skeleton
Explanation:
trust me, im big brain
What "codes" for proteins that your body uses
to make eye pigment, hair color, hair texture and
etc.?
Proteins
Genes
Phosphate-sugar group
Carbohydrates
Answers
Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body.
What are the 4 types of genes?DNA is made up of millions of small chemicals called bases. The chemicals come in four types A, C, T and G. A gene is a section of DNA made up of a sequence of As, Cs, Ts and Gs.
Thus, option "B" is correct.
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