Cytosine and guanine form {{c1::3}} hydrogen bonds
Answers
The statement "Cytosine and guanine form 3 hydrogen bonds" refers to the way that the nitrogenous bases of these two nucleotides interact with each other in DNA.
Cytosine & guanine are two of the four nitrogenous bases found in DNA, and they are complementary to each other. When a cytosine base pairs with a guanine base, they form a stable base pair through hydrogen bonding.
Specifically, cytosine and guanine form three hydrogen bonds between them, which helps to stabilize the double-stranded DNA molecule.
The hydrogen bonds form between specific atoms on the nitrogenous bases: one hydrogen bond forms between the amino group of cytosine and the carbonyl group of guanine, and two hydrogen bonds form between the amino group of guanine and the carbonyl group of cytosine.
The number of hydrogen bonds formed between complementary nitrogenous bases in DNA is important for the stability and fidelity of the DNA molecule, as it ensures that the correct base pairs are formed during DNA replication and transcription.
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Explain the statement "Cytosine and guanine form 3 hydrogen bonds".
Related Questions
An investigation is carried out to determine the effect of exercise on the rate at which a
person can squeeze a clothespin
1. Muscle fatigue occurs during this activity when
A) carbon dioxide is used up in the muscle cells
B) certain waste products collect in the muscle cells
C) simple sugar is converted to starch in the muscle cells
D) proteins accumulate in mitochondria in the muscle cells
Answers
An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin.
Muscle fatigue occurs during this activity when certain waste products collect in the muscle cells.
What is muscle?
Soft tissues include muscles. Your muscles are made up of numerous elastic fibres. Your body contains more than 600 muscles. The functions of various muscle groups vary. Some muscles enable you to move quickly—like running or jumping—or deftly—like threading a needle. You can breathe or digest food with the help of other muscles.
Contractile tissue in muscles is organised into coordinated systems. Human muscular systems are categorised based on their outward appearance and cell placement. The three muscle kinds are smooth, cardiac, and striated. Striated muscle makes up the majority of the body's muscle tissue and is virtually always connected to the bone.
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biodiversity is partially influenced by net primary productivity. where can the highest terrestrial rates of npp be found? question 24 options: polar regions tundra deciduous forests deserts tropical rainforests
Answers
Tropical rain forests possess high NPP and the highest levels of biological diversity among terrestrial environments.
What constitutes the tropical rain forest ?A tropical rainforest is a lush, steamy, and thriving forest that is typically found around the equator. Tropical rainforests have towering broad-leaved evergreen trees that form a continuous canopy and receive about 100 inches (254 cm) of rainfall annually.
Rainforests come in many distinct varieties.
Less than 3 percent of the earth is covered in rainforests.
The Amazon rainforest is the biggest rainforest in the world.
More plant and animal species can be found in rainforests than in any other terrestrial ecosystem.
In the rainforest, trees are home to a large portion of the life.
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Please help I’ll give brainist!
Answers
Answer:
Explanation:
What is H20 plus CO2?
Answers
Answer:
carbonic acid
Explanation:
The co2 will dissolve into the water causing it to make carbonic acid aka carbonated water
Which of the following is a behavioral adaptation?
O A) blue whales migrating to mate and give birth
B) tree frogs having long, sticky tongues
O c) alligators' eyes being on top of their heads to help them see above the water
O D) hedgehogs having stiff spines sticking out of their bodies
Answers
Answer:
blue whales migrating to mate and give birth
Explanation:
50 points for the person who answers!!!
Are these things Skeletal, Cardiac or smooth muscles?
1. Thigh
2. Upper arm
3. intestine
4. heart
5. calf
6. stomach
7. hand
8. blood vessels
9. uterus
10. neck
Ok and
11. how many bones in the body?
12. how do muscles produce mechanicle energy?
13. what happends when the supply of energy-rich molecules in a muscle is used up?
Answers
3. The figure below shows a vertical section through a mammalian kidney. G (a) Label the parts A and B
Answers
Answer:
A. Renal capsule
B. Cortex
Explain how the process of natural selection can be the driving force behind the evolution of a tiger and human.
Answers
Answer: the pple
Explanation:fjjfjjfjf
What would be a characteristic of a piece of DNA that is found by sequencing in ChIP assay?
a. core promoters for housekeeping genes
b. methylated DNA
c. DNA that is bound by nucleosomes
d. NFRs
Answers
The characteristic of a piece of DNA that is typically found by sequencing in Chromatin Immunoprecipitation (ChIP) assay is (C) DNA that is bound by nucleosomes.
ChIP assay allows the identification of DNA regions that are bound by specific proteins of interest. In the context of ChIP sequencing, the DNA fragments that are sequenced and analyzed are those that have been pulled down as part of the protein-DNA complexes during the immunoprecipitation step.
Since nucleosomes are the fundamental units of chromatin structure, the DNA fragments obtained from ChIP sequencing are often those that are associated with nucleosomes.
Nucleosomes are formed when DNA wraps around histone proteins, and they play a crucial role in regulating gene expression and chromatin organization.
Therefore, the DNA fragments identified through ChIP sequencing represent regions of the genome that are bound by nucleosomes, providing insights into chromatin structure and the protein-DNA interactions involved in gene regulation.
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TOPIC: CARBONS BONDS
I need a formula with 14 carbons, using single and double bonds
PLEASE, I WILL GIVD YOU CROWN
Answers
One possible formula with 14 carbons, using single and double bonds, is C7H10O3.
Start with a carbon backbone: C-C-C-C-C-C-C-C-C-C-C-C-C-C.This gives you 14 carbon atoms connected in a straight chain.To introduce double bonds, we need to remove two hydrogen atoms and create double bonds between adjacent carbon atoms. Let's choose the 3rd and 4th carbon atoms from the left.Remove two hydrogen atoms from the 3rd and 4th carbon atoms: C=C-C=C-C-C-C-C-C-C-C-C-C.Now, we need to balance the number of hydrogen atoms. Each carbon atom should have four bonds. Since we removed two hydrogen atoms, we need to add two double bonds.Introduce two double bonds between the 1st and 2nd carbon atoms and between the 6th and 7th carbon atoms: C=C-C=C-C=C-C-C-C-C-C-C-C.To complete the formula, add hydrogen atoms to each carbon atom to satisfy the valency.
The final formula, with 14 carbons and using single and double bonds, is C7H8.
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can
u answer questions 1-3, and write 4-5 sentces for each question
Walid Elkhatib, an Arab American, bought a Dunkin' Donuts franchise in Illinois. Ten years later, Dunkin' Donuts began offering breakfast sandwiches with bacon, ham, or sausage through its franchises.
Answers
The situation presented is that Walid Elkhatib, an Arab American, bought a Dunkin' Donuts franchise in Illinois. This is the central fact mentioned The situation states that Walid Elkhatib, who is an Arab American, purchased a Dunkin' Donuts franchise in Illinois.
The new development introduced is that Dunkin' Donuts began offering breakfast sandwiches with bacon, ham, or sausage through its franchises. This development is related to the breakfast menu expansion states that Dunkin' Donuts started providing breakfast sandwiches with options like bacon, ham, or sausage in its franchises. This information is introduced, highlighting the specific menu expansion.
Walid Elkhatib, an Arab American, purchased a Dunkin' Donuts franchise in Illinois. Dunkin' Donuts began offering breakfast sandwiches with bacon, ham, or sausage through its franchises The given situation includes Walid Elkhatib, an Arab American, who acquired a Dunkin' Donuts franchise in Illinois.
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Besides water and air, volcanoes are responsible for _____, another necessity for many life forms
a. Land
b. Natural Bridges
c. Houses
d. Subduction
Answers
the answer is land cause water and air makes land boom
All of the genes in a cell's nucleus.
Heredity
Genome
Alleles
Answers
Answer:
Genome
Explanation:
The cell nucleus contains all of the cell's genome.
Answer:
Cell
Explanation:
give atleast 5 name of seed
Answers
Answer:
Sunflower Seeds
Chia Seeds
Flax
Pumpkin Seeds
Sesame
a defensive mechanism observed in some sea cucumbers that involves the sudden expulsion of the gut and other internal organs through the mouth or anus is known as .
Answers
Evisceration is a defense strategy used by certain sea cucumbers that involve the abrupt evacuation of the gut and other internal organs through the mouth or anus.
The defensive mechanism observed in some sea cucumbers is known as evisceration. This is an adaptive survival strategy that helps the sea cucumber escape from predators or other dangers.
The mechanism observed in some sea cucumbers is called evisceration. This is a defense mechanism used by the sea cucumber to distract predators or remove parasites from its body.
When threatened, the sea cucumber will quickly expel its gut and other internal organs through its mouth or anus, effectively making itself less appetizing to the predator. The expelled organs can be regenerated over time.
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James Hutton:______.
a. provided geologic evidence necessary for calculating the time span of evolution.
b. created the first scientific classification of plants and animals.
c. extensively studied fossils.
d. revealed that fossils would provide the history of past life.
Answers
descirbe the structure of bone
Answers
Look at the following mutation: AUG-GUC-CCU-AAA → AUG-AGU-CCC-UAA-A. The base A was inserted following the start codon AUG. Describe how this mutation affects the encoded amino acid sequence.
Answers
Answer: Non sense mutation took place over here.
Explanation:
Mutation took place over here where, the base A was inserted in place of the start codon AUG.
This states that the last codon will code for a stop signal instead of amino acid.
This is a type of non sense mutation when the ribosome is stopped from reading a stretch of mRNA because a stop codon is present over there.
The original set of codon is replaced by the stop codon and the protein synthesis is stopped.
When there is an alteration in the genetic bases of codes that can lead to modification in the phenotype or the genotype of an organism is called a mutation.
The type of mutation that occurred in the given sequence is a non-sense mutation.
The mutation can be explained as:
The mutation changed the reading frame of the triplets from the second place after the AUG or the start codon.The last codon in the unmutated sequence AAA was for lysine (lys) but in the mutated sequence is changed to UAA (stop codon) which codes for the termination of the chain.The mutation in stop codons are called non-sense mutation and now it will signal for termination instead of coding for another amino acid.When the process of translation gets terminated and the ribosomes stop translating due to mutation then it is called a nonsense mutation.Therefore, the process will terminate due to replacement by a stop codon.
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phenylketonuria (pku) is a disease in humans that results from the abnormal metabolism of the amino acid phenylalanine. if untreated, it can lead to severe brain damage in infants. two normal parents have a child who has pku. what can you determine about the inheritance of the pku allele from this information? question 10 options: it is pleiotropic. it is dominant. it is epistatic. it is recessive.
Answers
Phenylketonuria (PKU) is a disorder in human beings that outcomes from the atypical metabolism of the amino acid phenylalanine. inside the blood. the recessive allele has an autosomal recessive sickness, you inherit changed genes (mutations), one from each determined.
Phenylketonuria (fen-ul-key-toe-NU-ree-uh), additionally called PKU, is an extraordinary inherited disease that reasons an amino acid referred to as phenylalanine to accumulate inside the body. PKU is due to an exchange inside the phenylalanine hydroxylase (PAH) gene. This gene facilitates create the enzyme wanted to break down phenylalanine.
PKU is due to mutations inside the gene that facilitates making an enzyme referred to as phenylalanine hydroxylase (stated fen-l-AL-uh-neen hazy-DROK-such-leys), or PAH. This enzyme is wanted to convert the amino acid phenylalanine into different substances the body desires. meals that incorporate massive amounts of the ought to be removed from a low food plan. these meals are high protein ingredients, such as milk, dairy products, meat, fish, chicken, eggs, beans, and nuts. those meals cause high blood ranges for human beings with PKU.
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which size of micropipette would you select to deliver 215 microliters?
Answers
You would choose a micropipette with a range of 200–1000 microliters if you wanted to deliver 215 microliters.
Usually in the size range of microliters (L) or nanoliters, a micropipette is a laboratory tool used to quantify and dispense tiny amounts of liquid (nL). In addition to being employed in clinical and commercial settings, they are frequently used in chemistry, biology, & biochemistry investigations.
The parts of a micropipette include a handle, a digital or manual volume control mechanism, as well as a tip that is inserted into the liquid being dispensed. They function by creating an internal vacuum and positive pressure that pulls or pulls the liquid out of the tip.
To ensure proper distribution of the necessary volume, micropipettes exist in a variety of volume ranges, therefore it is crucial to choose the right one.
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which of the following is a stimulus, which response?
A. The recess bell ringing in a elementary school
B. Your mouth watering at sight of food on a plate
C. A sudden drop in air temperature
D. A flu virus entering your body
E. Getting "butterflies" in your stomach before giving a speech
Answers
Answer:
A. Stimulus
B. Response
C. Stimulus
D. Stimulus
E. Response
Explanation:
What happen after you drink mineral water, does it go to kidney and how it get removed
Answers
“It is concluded that mineral water containing calcium and magnesium, such as that used in this study, deserves to be considered as a possible therapeutic or prophylactic agent in calcium oxalate kidney stone disease.”
Source: https://pubmed.ncbi.nlm.nih.gov/9096270/
Answer:
dont know hope it helpsjcjdjc
Pls help with science
Answers
Answer:
number 10 - the plants are the same because you need to have them that way, so it doesn't change anything about the experiment
Explanation what might happen to one plant
might not happen to the other
The image on the left shows a normal red blood cell, and the image on the right shows a cell that has been put into a new solution. The circles represent the salt in the solutions.
Which statement describes the motion of the water molecules in this situation?
The water molecules move by active transport into the cell from low water concentration to high water concentration.
The water molecules move by osmosis into the cell from low water concentration to high water concentration.
The water molecules move by osmosis into the cell from high water concentration to low water concentration.
The water molecules move by active transport into the cell from high water concentration to low water concentration.
Answers
The water molecules move by osmosis into the cell from high water concentration to low water concentration.
Diarrhea is when what organ does not absorb water?
Answers
Which characteristic is shared by both prokaryotes and eukaryotes?
Answers
Answer: They both a bear a lipid bilayer
Explanation:
Can someone please look at the picture and help me?!
Answers
Answer:
B. Hom*zygous with red leaves
Explanation:
It is hom*zygous because it’s the same alleles (B and b are the different alleles).
the dominant trait always takes priority over the recessive trait. So for example:
BB - hom*zygous with brown leaves
Bb - heterozygous (because different alleles) with brown leaves
bb - hom*zygous with red leaves
(* = o ; brainly thought I was saying something offensive)
what is the function of amniotic fluid?group of answer choicesprotects the embryo against being jostled by movements.stores nutrients for the fetus.provides nutrients to the fetus from the maternal part of the placenta.absorbs wastes the fetus excretes.
Answers
The function of amniotic fluid is protects the embryo against being jostled by movements.
The function of amniotic fluid includes the following:
1. Protects the embryo against being jostled by movements: The amniotic fluid protects the developing fetus from jolts and injuries due to its fluidic environment. As a result, if the mother experiences a fall or sudden movement, the fetus will be shielded by the amniotic fluid, which will absorb the shock. The amniotic fluid maintains a stable temperature, ensuring that the fetus is comfortable and healthy.
2. Absorbs wastes the fetus excretes: The amniotic fluid serves as a waste disposal system for the developing fetus, absorbing and carrying away all of the waste products that the fetus generates. The fetus urinates the fluid into the amniotic sac, and the amniotic fluid carries it away.Apart from these, the amniotic fluid plays a crucial role in fetal development by protecting the developing fetus from physical injury and infection. It also keeps the temperature stable and provides an excellent environment for the fetus to grow and develop healthily.
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the following figures give the systolic blood pressure of 16 joggers before and after an 8-kilometer run: jogger before after normal approximation to the binomial distri- 1 158 164 2 149 158 3 160 163 4 155 160 5 164 172 6 138 147 7 163 167 8 159 169 9 165 173 10 145 147 11 150 156 12 161 164 13 132 133 14 155 161 15 146 154 16 159 170 use the sign test at the 0.05 level of significance to test the null hypothesis that jogging 8 kilometers increases the median systolic blood pressure by 8 points against the alternative that the increase in the median is less than 8 points.
Answers
Based on the sign test at the 0.05 level of significance, there is no significant evidence to support the claim that jogging 8 kilometers increases the median systolic blood pressure by 8 points.
To test the null hypothesis that jogging 8 kilometers increases the median systolic blood pressure by 8 points against the alternative that the increase in the median is less than 8 points, we can use the sign test. The sign test is a non-parametric test that compares paired data to determine if there is a significant difference between the two groups.
Here are the steps for performing the sign test:
Step 1: Calculate the differences between the systolic blood pressure measurements before and after the run for each jogger.
Jogger | Before | After | Difference
-------|--------|-------|-----------
1 | 158 | 164 | 6
2 | 149 | 158 | 9
3 | 160 | 163 | 3
4 | 155 | 160 | 5
5 | 164 | 172 | 8
6 | 138 | 147 | 9
7 | 163 | 167 | 4
8 | 159 | 169 | 10
9 | 165 | 173 | 8
10 | 145 | 147 | 2
11 | 150 | 156 | 6
12 | 161 | 164 | 3
13 | 132 | 133 | 1
14 | 155 | 161 | 6
15 | 146 | 154 | 8
16 | 159 | 170 | 11
Step 2: Count the number of positive differences (increases) and negative differences (decreases).
Number of positive differences (n+) = 12
Number of negative differences (n-) = 4
Step 3: Calculate the probability of obtaining the observed number of positive differences (n+) or fewer if the null hypothesis is true.
Using the binomial distribution, we can calculate the probability of observing 12 or fewer positive differences out of the total 16 measurements.
Using a binomial calculator, the probability is found to be approximately 0.085.
Step 4: Compare the calculated probability to the significance level (α = 0.05).
Since the calculated probability (0.085) is greater than the significance level (0.05), we do not have sufficient evidence to reject the null hypothesis.
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cual es la variable dependiente e independiente de porque aumenta la frecuencia respiratoria en corredores de atletismo
Answers
Answer: d
Explanation: just did it on edg