Answer:
the ratio of the surface area to the volume is 1:2
ASAP
A species of Coral snake has a red, yellow and black stripe pattern. One
gene controls if the stripes are thick or thin. Thin (T) is dominant over
thick (t). If two snakes heterozygous for this gene are crossed, what will
be the genotype(s) of their offspring? You may need to use a Punnett
square to answer the question.
Question Progress
OA. TT and Tt
B. TT, Tt, and tt
C. TT and tt
D. All Tt
The genetic attributes of the organism are determined by the genotype. The cross of the heterozygous genes in Coral snakes results in offsprings with TT, Tt, and tt. Thus, option B is correct.
What are genes?Genes are the functional and physical basis of the inheritance that passes from generation to offspring with various traits and attributes. The gene contains a recessive and a dominant allele.
Heterozygous genes are represented as Tt as it contains one dominant and one recessive allele. The cross between the two heterozygous (Tt) Coral snakes is attached to the image below.
From the cross, it can be seen that 75 % of the coral snakes have thin strips while the 25 % of the species have thick strips. The ratios are:
Genotype = 1 : 2 : 1
Phenotype = 1 : 3
Therefore, option b. the genotype(s) of the offspring will be TT, Tt, and tt.
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In eukaryotes, miR-5 is a microRNA with sequence complementarity to the 3’UTR of the mRNA transcript encoded by the UCD gene. The UCD gene encodes for a protein that acts as an allosteric activator of the protein p101. The p101 protein is a DNA methyltransferase (DNMT) which is an enzyme that methylates DNA when the protein is in its active form.
A) In a lung cancer cell line, the p101 protein is overly active leading to misregulation of gene expression. In these lung cancer cells which of the following would be a correct prediction in regards to miR-5? [choose ALL that apply, note that incorrect selections will deduct points]
A) The gene encoding miR-5 is in a region of chromatin with hypoacetylation
B) The gene encoding miR-5 is in a region of chromatin with hyperacetylation
C) The gene encoding miR-5 in a region of euchromatin
D) The gene encoding miR-5 in a region of heterochromatin
E) The miR-5 transcript is translated at high levels
F) The miR-5 transcript is activating translation of the UCD gene
B) A different lung cancer cell line is found to have significantly decreased amounts of DNA methylation. Which of the following could explain why there is decreased DNA methylation in this cell line? [choose ALL that apply, note that incorrect selections will deduct points]
A) increased amounts of the p101 protein due to low levels of miR-5
B) increased amounts of the UCD protein due to high levels of miR-5
C) decreased amounts of the UCD protein due to low levels of miR-5
D) the absence of the UCD protein due to miR-5 inhibiting translation of the UCD mRNA transcript
E) the absence of the p101 protein due to miR-5 inhibiting transcription of the p101 mRNA transcript
Answer:
A) A) The gene encoding miR-5 is in a region of chromatin with hypoacetylation.
D) The gene encoding miR-5 in a region of heterochromatin.
B) D) the absence of the UCD protein due to miR-5 inhibiting translation of the UCD mRNA transcript
Explanation:
MicroRNAs (miRNAs) are small regulatory RNA sequences (approximately 20-24 nucleotides in length) that regulate gene expression by RNA interference (RNAi) mechanisms. These sequences (miRNAs) bind by base complementarity to messenger RNAs and thus inhibit protein translation and/or trigger mRNA degradation. In this case, miR-5 binds to the 3’UTR of the mRNA transcript of the UCD gene, thereby inhibiting/slowing protein UCD synthesis. The UCD protein is an allosteric regulator that binds and activates the expression of the p101 protein, thereby the miR-5 RNAi pathway also indirectly decreases the expression of the p101 gene. Moreover, hypoacetylation is an epigenetic mark generally associated with gene silencing (heterochromatin is a transcriptionally inactive state of chromatin).
What are the following is considered a receptive a fine touch
Explanation:
This system is responsible for all the sensations we feel – cold, hot, smooth, rough, pressure, tickle, itch, pain, vibrations, and more. Within the somatosensory system,there are four main types of 1.receptorsme chanoreceptors, 2.thermoreceptors,3. pain receptors, and 4. proprioceptors.Porque voy a estudiar nutrición y dietética?
Answer:
La carrera de nutrición y dietética forma profesionales altamente capacitados en el campo de la salud desde una perspectiva de la alimentación
Explanation:
La alimentación es un aspecto clave en la vida que se encuentra relacionado directamente con la cantidad y calidad de los alimentos que ingerimos, lo cual es fundamental para tener una vida saludable y desarrollar un estado de bienestar tanto físico como emocional. La carrera de nutrición y dietética pertenece al área de la salud y tiene como objetivo formar profesionales que se encuentren altamente especializados para el desarrollo de programas de alimentación adecuados, teniendo en cuenta las características intrínsecas de los grupos de alimentos, sus propiedades y los requerimientos personalizados para cada paciente. En consecuencia, los profesionales en nutrición y dietética desarrollan un conocimiento profundo acerca de cuales son los requerimientos en macronutrientes (proteínas, hidratos de carbono y lípidos) y micronutrientes (vitaminas y minerales) para cada individuo, esto con la finalidad de adaptar la alimentación de acuerdo a su edad, peso corporal, estatura, etc. Los profesionales en este campo poseen además conocimientos avanzados en biología humana, bioquímica, química orgánica, como así también desarrollan aptitudes en psicología y salubridad alimentaria.
Two organisms, AABBCCDDEE and aabbccddee, are mated to produce an F1 that is self-fertilized. If all of these genes are on the same chromosome, and there is no recombination, how many different genotypes will occur in the F2
Answer:
2 genotypes: AABBCCDDEE; aabbccddee
Explanation:
The law of segregation (also called Mendel's First Law) describes how genes on different chromosomes segregate into gametes independently of each other. Moreover, recombination (also known as crossing over) is the interchange of genetic material between non-sister chromatids during meiosis. In this case, the five genes are on the same chromosome (i.e., they are linked together and do not segregate) and there is no recombination, thereby they are inherited as a haplotype block to the next generation:
- Genotypes parental (P) lines: AABBCCDDEE; aabbccddee
- Cross P1: ABCDE X abcde
- Genotype F1: AaBbCcDdEe (100%)
- Gametes F1: ABCDE; abcde
- Genotypes F2: AABBCCDDEE; aabbccddee (ratio 1:1)
Hãy mô tả các bước tạo thư viện cDNA từ tế bào máu heo.
Answer:
What you mean bro?
Explanation:
what is full course meal?
Answer:
Full course meals are made up of three courses: an appetizer, main dish, and dessert. Also known as a three-course meal or a standard course meal, you will sometimes see restaurants offering a full menu with these three items. You can add more courses to a full course meal.
Explanation:
If you were given the power to control the United States government and policy what changes would you make regarding the environment and how would you fund these? You can consider your response to the question and/or include other issues.
Answer:
i would probably fund different jails using taxes. there's absolutely no reason someone who accidently committed tax fraud should be sitting in the same cell as aconvicted murderer. & abd I would make harder consequences for hate crimes. like jail time.
Changes that Affect the body may take place where
Explanation:
All vital organs begin to lose some function as you age during adulthood. Aging changes occur in all of the body's cells, tissues, and organs, and these changes affect the functioning of all body systems.
hi, define chemistry and mention the three branches of chemistry answer it fast .Good night
Explanation:
Branches of inorganic chemistry include: ... Nuclear chemistry — the study of radioactive substances. Organometallic chemistry — the study of chemical compounds containing bonds between carbon and a metal. Solid-state chemistry — the study of the synthesis, structure, and properties of solid materials.
Answer:
The five primary branches of chemistry are physical chemistry, organic chemistry, inorganic chemistry, analytical chemistry, and biochemistry.
According to the phenotypic characters of pneumococcus considered in Griffith's
experiment of transformation, which of the following statements are correct? Choose the
correct option (i) Presence of slime layer (ii) Presence of capsule (iii) Absence of capsule
Answer:
发发发 发斯蒂芬
Explanation:
Presence of capsule. Therefore, option (B) is correct.
What was Griffith's experiment?Griffith's experiment of transformation is a landmark experiment in microbiology conducted in 1928 by British bacteriologist Frederick Griffith. The experiment aimed to determine the nature of the "transforming principle" responsible for transferring genetic material between bacteria.
Griffith used two strains of Streptococcus pneumoniae, one that was virulent and had a polysaccharide capsule (S strain) and another that was non-virulent and lacked the capsule (R strain). He found that when he injected mice with the heat-killed S strain and live R strain, the mice died, and live S strain was found in their blood. This suggested that the R strain had been transformed into the S strain, and the genetic material was responsible for the transformation.
Griffith's experiment provided the first evidence of bacterial transformation and paved the way for future research on the molecular basis of genetics.
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Which of these is the best definition of sustainable development?
A. Development that makes sure buildings are strong enough to sustain large hurricanes and earthquakes
B. Development that's typical of underdeveloped nations that derive their products directly from nature
C. Development that's supported by public opinion
D. Development that ensures the protection of the environment in the long term
Answer:
option D
Explanation:
is the correct answer
Development which basically ensures the protection of the environment in the long term is sustainable development. The correct option is D.
What is sustainable development?Sustainable development is defined as growth that fulfills the requirements of the moment without jeopardizing future generations' capacity to meet their own needs.
The financial, social, and environmental measurements of sustainable development are examined.
The authors contend that material-intensive conventional productivity recovery is unsustainable in the long term unless environmental and social factors are prioritized equally.
Environmental protection aims to preserve as well as restore a healthy natural environment.
Sustainable development incorporates ecologic, social, and economic goals in order to achieve long-term equitable growth that benefits both the present and the future.
Thus, the correct option is D.
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all biomolecules are mad up of the elements. A.carbon, hydrogen, nitrogen, oxygen, and sulfur B. carbon, hydrogen, nitrogen, and oxygen C. carbon, hydrogen, and oxygen D. carbon, hydrogen, oxygen, and sulfur
Answer:
Option(A) carbon ,hydrogen,nitrogen,oxygen and sulphur.
Answer:
A.carbon, hydrogen, nitrogen, oxygen, and sulfur
Explanation:
There are five elements that are essential to life. These are Carbon, Hydrogen, Nitrogen, Phosphorous and Sulfur, or CHNOPS for short. We can see that only option A has nitrogen listed. Nitrogen is absorbed by plants through the soil, and by animals through food. It is absolutely essential for many forms of life, especially plants and animals. Many biomolecules contain Nitrogen. Only one choice on this list contains nitrogen and that is option A. Therefore option A is the answer.
How would you
change the hypothesis if mussels died in
both aquariums?
The new hypothesis could be that there is another alternative factor that is negativey afecting dwarfs survivorship.
The previous hypothesis of high levels of phosphate killing mussels is not necessarily disproved. But the death of mussels from both the control and the treatment groups might be related to one of the controlled variables that could be actually afecting them.
----------------------
Probably different levels of phosphate are also affecting invididuals´ survivor rates. However, the fact that mussels from all the aquariums died suggests that there is something else going on that caused the death of all the individuals.
The control group is used to identify any other factors influencing the results obtained in the study, apart from the modified variables of the treatment. Individuals of the control group are selected from the same population as the treatment group. These two groups are identical in all aspects except for the independent variable, which changes in the treatment group but remains constant in the control group.
We know that mussels in this experiment were taken from the same population and grown under the same controlled conditions. Only the treatment group received phosphate, but all mussels died, not only the ones that receive phosphate. This result turns to be useful because it is indicating that there is another variable that is killing mussels. Phosphate might be a cause of death, but there is also something else. So the researchers should pay attention to the controlled variables, such as water quality, temperature, pH, food supply, light exposure, or others.
These variables might be reflecting the real conditions under which mussels live. The results tell that one of these is related to individual death and could be a consequence of climate change or soil use, among other causes.
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5. Which of the following professionals has the authority to prescribe medication and treatment?
A. Nurse practitioner
B. Clinical dietician
C. Nutritionist
D. Home health aide
Answer: A. Nurse practitioner
Explanation: Hope it helps
Answer:
A. Nurse practitioner
Explanation:
Have a great day!
Match the type of evidence for evolution with the correct example
Vestigial structures: 1st box
Homologous structures: Last box
DNA sequence data: 2nd box
Analogous structures: 3rd box
If the observed genotypes in a given population do not fit those predicted by the Hardy-Weinberg equation, it could mean that..
Answer:
C
Explanation:
gene greatly affects the survival of organisms and if there is a change in the genetic makeup if this organism it leads to mutation
When considering proteins that help control the cell cycle:
Stimulating proteins are encoded by tumor suppressor genes and inhibitory proteins are encoded by
proto-oncogenes.
O True
O False
what are the points included in women's rights
Answer:
Explanation:These later evolved into six general points of equality for women: political, occupational, moral, social, economic and legal.
You classified organisms based on anatomical structure and development. Scientists also use DNA to classify organisms. Considering the basic process of evolution, why do you think it’s important to also consider DNA and gene patterns during the classification of organisms?
Answer:
By studying genetics and DNA, we can get the best idea of how species are related to each other, and therefore how to classify them. The genetic code of a species is not fixed, however. It changes over time! This is why we also need to factor in evolution.
It is important to also consider DNA and gene patterns during the classification of organisms because,
Through genetics and DNA study, we can get the idea of how species are related to each other and how to classify them. The genetic code of a species is not fixed. So, it need in evolution.How organism classified ?The organism classified on the basis of shared characteristics.The classification of living organism includes seven levels, kingdom, phylum, classes, order, families, genus and species.What is evolution?It is witness in the living species and change in heritable traits of biological population over successive generation.The process of development of complex organism from simpler one with time is called an evolution.learn about gene,
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sertoli cells are regulated by the pituitary hormone known as?
a)LH b)FSH c)GH d)prolactin
Answer:
I would say the answer is B. FSH, or Follicle Stimulating Hormone
Explanation:
what is psychasthenia? Please don't copy and paste from g,o,o,g,l,e.
Answer:
Psychasthenia is a neurotic state characterized especially by phobias, obsessions, or compulsions that one knows are irrational.
From a chemical view, how is an amino acid is being recognized by its specific aminoacyl tRNA synthetase?
Answer:
An aminoacyl-tRNA synthetase (aaRS or ARS), also called tRNA-ligase, is an enzyme that attaches the appropriate amino acid onto its corresponding tRNA. It does so by catalyzing the transesterification of a specific cognate amino acid or its precursor to one of all its compatible cognate tRNAs to form an aminoacyl-tRNA.
why do children need more protein
in there diet
Which of the following factors would LIMIT carrying capacity?
A. Far from factories or roads
B. A large nearby river
C. Abundant food
D. A small space to live in
Answer:
D. A small space to live in
Explanation:
Having a small space to live in would directly limit carrying capacity.
Since there is a small space, only a few organisms would be able to live in that space.
This means that carrying capacity is limited, because the space does not have enough room to sustain more people.
So, the correct answer is D. A small space to live in
Which of the following is a feature of beaches?
A. Berms
B. Runnels
C. All of these
D. Shingles
Answer:
C: All of these.
Explanation:
Because there is feature
What theory explains why the Uranian system is on its side?
Answer:
Astronomers have always assumed that Uranus must have been knocked onto its side by a collision. Now a new idea suggests that the planet's remarkable tilt could have another explanation.
Explanation:
I just know it
Answer:
Astronomers have always assumed that Uranus must have been knocked onto its side by a collision. Now a new idea suggests that the planet’s remarkable tilt could have another explanation.
by Emerging Technology from the arXivarchive page
December 3, 2009
One of the great mysteries of our Solar System is why Uranus is tilted on its side. Surely, if the solar system formed from the same rotating cloud of dust and gas, then all the bodies within it should rotate in the same way. And yet Uranus’ axis of rotation lies at 97 degrees to the plane of the solar system.
two waste products of metabolic state their source and how they are removed from the blood
As with most fluid samples sent for microbiological analysis, Mandy starts her investigation with a Gram stain.
Gram Stain Analysis Classify the infectious agent based on the Gram staining.
Hi. Unfortunately your question is incomplete and you have not shown any photos of the sample that Mandy must identify by Gram stain. However, after researching her question on the internet, I was able to find another question exactly like this one, which showed the microorganism that should be analyzed. This image is attached below. In that case, I hope the answer below can help you.
Answer:
Gram-positive cocci
Explanation:
It is possible to identify that the microorganism presented is a bacteria due to the application of the test known as Gram stain, which allows the identification of gram positive and gram negative bacteria. This test allows the bacteria to be subjected to a specific dye that reacts with the chemical composition of the bacteria, modifying its color. Gram positive bacteria show a blue color after the test, while gram negative bacteria show a red color after the test.
As we can see in the attached image, the bacteria that Mandy is analyzing shows a blue color, after being submitted to Gram stain, being then a gram positive bacteria.
We can also see that the colonies of this bacterium have formed round, similar to a coconut and for this reason, we can conclude that the bacterium has the shape known as cocci.
Therefore, we can classify the microorganism as a Gram-positive cocci.
Spinal cord is blank to the esophagus
Answer:
posterior
Explanation:
