gene has a base sequence that starts with: TAG CAT GGC AT.

A) The gene has a point mutation and is changed to the sequence below : TAG CTT GGC AT. What kind of mutation is this?

B) What is the new mRNA strand formed by this gene?

C) What are the new amino acids formed from this gene?

D) Describe how the mutation has affected the protein coded by this gene.

Answers

Answer 1

Answer:

A. Substitution mutation

B. AUC GAA CCG UA

C. Isoleucine- Glutamic acid- Proline

D. It will lead to formation of a different protein

Explanation:

According to this question, the gene has a base sequence that starts with: TAG CAT GGC AT but undergoes a kind of point mutation to become; TAG CTT GGC AT.

A. From the observation of the two base sequences, base A is substituted for base T in the second Codon i.e. CAT to CTT. This is an example of SUBSTITUTION MUTATION because it involves the replacement of a base nucleotide by another.

B. Following transcription, which is the synthesis of mRNA from a DNA template, the mRNA sequence from the mutated sequence is as follows: AUC GAA CCG UA

C. Following translation using the genetic code, the amino acid sequence that will result from the mutated sequence is as follows: Isoleucine- Glutamic acid- Proline

D. Due to the change in nucleotide base of a codon, a change in the amino acid sequence has occured. Hence, this will lead to the formation of a different protein.


Related Questions

Fossils of a species of bear are found in layer 5. Which layer is most likely to have organisms that lived at the same time as the bear species? O A. Layer 1 B. Layer 2 C. Layer 4 D. Layer 8​

Answers

The correct answer is C. Layer 4.

Explanation

The image shows 13 layers of rocks on the earth's surface that, according to their age, are located from the oldest below to the most recents up. According to the above, if a fossil of a species of bear is in layer number 5, organisms that lived at the same time could be found in number 4 because it is the closest layer to the layer in which the bear species is mostly found and therefore, the layer that was formed at the same time or right before layer 5. According to the above, the correct answer is C.

g You have made a transgene that expresses green fluorescent protein (GFP) in spermatogonia only. If you are examining a transverse section of the testes where would you expect to find GFP positive (GFP) cells

Answers

Answer:

The correct answer is - Associated with the Sertoli cells in the seminiferous tubule.

Explanation:

Interstitial cells are found between seminiferous tubules and Each spermatogonial cell undergoes the process of spermatogenesis process and produces sperms in the lumen of seminiferous tubules.

This could be possible only due to GFP gene expresses only in spermatogonia, we can expect to find GFP + cells associated with the Sertoli cells in the seminiferous tubules.

Therefore, Spermatogonia are associated with Sertoli cells in the seminiferous tubules of the testis.

As the human population grows, some minerals in everyday products could
become scarce. Which of the following is the best way to address this
problem?

Answers

Answer:

Explore uses of more plentiful minerals.

Explanation:

Because the use of more can get us more items that can grow the population and interest.

1.Explain how is small intestine designed to absorb digested food.
2.Write two differences between the nutrition in amoeba and human beings.
3.Fungus can be harmful and useful. Give an example showing both of these traits of fungus.

Answers

Digestion is one of the longest process taking place in the human body. The process of digestion involves several steps as well as the organs. It starts with the mouth and ends at the anus. The track is also referred to as alimentary canal. The organs involved in the alimentary canal are mouth, oesophagus, stomach, small intestine and large intestine. Small intestine is one among them and plays a major role. Let us explore the importance of small intestine in digestion of food.

Answer:

Similarity:

Amoeba and human beings require the same nutrients like carbohydrates, proteins, and fats for their growth and survival.

Difference:

1. Mode of Nutrition:

Amoeba is unicellular and microscopic, which makes it an organism that uses the Holozoic mode of nutrition. It ingests food through its cell membrane and feeds on other tiny organisms like bacteria, algae, and protozoans. On the other hand, human beings are multicellular organisms and use saprophytic and holozoic modes of nutrition. They ingest complex food materials that are broken down into simpler nutrients.

the chicken first or the egg first?​

Answers

Answer:

The egg

Explanation:

When aquatic creatures evolved to walk on land, they laid eggs. One of those eggs became a chicken.

Answer:

Egg

Explanation:

According to science chicken because fusion take place first

Which of these methods that aids in the movement of ions or molecules across a cell membrane requires the use of energy which is supplied by ATP molecules?A. Osmosis.B. Reverse diffusion.C. Passive transport.D. Active transport.E. Facilitated diffusion.

Answers

Answer:

D. Active transport.

Explanation:

Active transport is the method that uses the ATP's energy to move ions and molecules from one side to the other of the membrane. The elements move from a place of lower concentration to one of a higher concentration. They move against their concentration gradient, which is why they need the energy to do it. There are two types of active transport, primary and secondary.

The primary active transport is ion pumps that hydrolyze ATP using one of the phosphates of the ATP to change the pump's shape and move the elements against their concentration gradient. It uses the ATP's energy directly.

The secondary active transport does not use ATP directly. It uses the electrochemical gradient that the primary transport had created when hydrolyzing ATP to transport the ions and molecules.

Huntington's disease is an autosomal dominant trait. Given the pedigree below, if individual IV-4 has three children with a normal woman, what is probability that they would have at least one child with the disorder

Answers

Answer:

The answer to the given question is =7/8

Explanation:

In autosomal dominant traits, one copy of the affected gene is enough to cause the disease. Let ’A’ be the affected gene, ‘a’ be the non affected gene. Since IV-4’s parents are a couple of affected and non-affected. So, he has the genes Aa, i.e. a single affected gene.  

A a

a aA aa

a aA aa

Number of children affected=[tex]\frac{1}{2}[/tex]

Number child affected out of three = [tex](\frac {1}{2}) ^{3}[/tex]

At least one child affected out of three = 1-P (number of children affected out of 3 )

                                                                      = [tex]1-(1/2)^{3}[/tex]

                                                                     = [tex]\frac{7}{8}[/tex]  

So, the answer to the given question is 7/8  

In a multicellular organism, no one cell does all the work necessary to sustain the organism’s life. Individual cells perform particular tasks and depend on other cells to provide them with their needs.
What is this concept of shared work among specific cells called?

eukaryotism
individualism
specialization
cell theory

Answers

Answer:

specialization. okokooooook

I guess it’s specialization

Which mineral is produced when two atoms of iron chemically combine with three atoms of
oxygen?
1. garnet
2. pyrite
3. magnetite
4. hematite

Answers

answer is D or 4
Explanation: Hematite is created with two iron atoms to three oxygen atoms, and magnetite, with three iron atoms to four oxygen atoms, which are both iron oxides.

The natural mineral form of iron oxide is called hematite  The mineral,  which contains 70% pure Fe, ranges in color from metallic dull to vivid black to steel-gray.  Thus, option D is correct.

What atoms of iron, chemically three atoms of oxygen?

Oxides of many significant metals are common. Iron oxides include hematite (Fe2O3), which has a ratio of two iron atoms to three oxygen atoms, and magnetite, which has a ratio of three iron atoms to four oxygen atoms. The most magnetic mineral is magnetite.

On the surface of the Earth, it is the mineral that is most common. There are numerous other applications for hematite.

It is employed in the production of pigments, polishing, heavy media separation, jewelry making, and home energization. In addition to these, it has therapeutic properties.

Therefore, hematite mineral is produced when two atoms of iron chemically combine with three atoms of oxygen.

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Science Practice: Predict______ and__________ based on a given set of data.

Answers

Answer:

subject

Explanation:

try only

A. the influence of environment on the expression of a particular genotype. B. the expression of a dominant phenotype in a heterozygote. C. the expression of one gene masking the effects of another gene. D. quantitative traits that diminish or intensify a particular phenotype. E. the increased expression of a particular trait when a hybrid species is formed.

Answers

The question is incomplete, the complete question is;

Penetrance and expressivity are related to

 

A. the expression of a dominant phenotype in a heterozygote.

B. the increased expression of a particular trait when a hybrid species is formed.

C. the expression of one gene masking the effects of another gene.

D. quantitative traits that diminish or intensify a particular phenotype.

E. the influence of environment on the expression of a particular genotype.

Answer:

the influence of environment on the expression of a particular genotype.

Explanation:

In genetics, we define penetrance as the proportion of individuals in a given population carrying a particular gene/allele which leads to the expression of the particular trait associated with that gene/allele.

Expressivity is defined as the degree of expression of a given phenotype  by individuals who possess a particular genotype. Expressivity shows the extent of variation in expression of genes by individuals having a particular genotype.

Both penetrance and expressivity has to do with the influence of environment on the expression of a particular genotype.

Viruses are not living because as implied by the passage

Answers

Answer:

Since a virus is a particle composed of genetic material and proteins enclosing it, therefore it is not considered a cellular entity and does not fulfill the criterion of a living world.

What is the name of a type of nucleic acid that is used for signalling in cells

Answers

Answer:ribonucleic acid

Explanation:

Ribonucleic acid (RNA)

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Answers

Answer:

Please translate it into English

What percentage of students were noted as having different values from their parents?

a. 1%
b. 15%
c. 56%
d. 99%

Answers

Answer:

c. 56% of students were noted as having different values from their parents

Answer:

56 %

Explanation:

The percentage of students were noted as having different values from their parents are 56%.

[tex]hope \: it \: helps[/tex]

Which of the following statements is not true of electron microscopes

Answers

Explanation:

the electronic microscope is used for observing

planets and stars:-False.

the electronic microscope is used for observing

microorganisms:-True.

The following statement is not true of electron microscopes: "electron microscopes can be used to view living specimens," which is in Option C, as electron microscopes use beams of electrons to produce images, and here living specimens can't be viewed.

What are electron microscopes?

Electron microscopes are advanced scientific instruments that use a beam of electrons to produce an image of a specimen, and the use of electrons instead of light in electron microscopy allows for a much higher resolution image, as the shorter wavelength of electrons compared to light means that the images produced by an electron microscope can be much sharper and more detailed.

Hence, the following statement is not true of electron microscopes: "electron microscopes can be used to view living specimens," which is in Option C.

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The question is incomplete, complete question is below

Which of the following statements is not true of electron microscopes

A. Electron microscopes use beams of electrons to produce an image.

B. Electron microscopes have a much higher resolution than light microscopes.

C. Electron microscopes can be used to view living specimens.

D. Electron microscopes can be used to view the internal structure of cells.

What process creates new cells?
A. cell division
B. cell metamorphosis
C. cellokinesis

Answers

Answer:

A. cell division

Explanation:

4. Explain how the structure of a bacterial cell differs from the structure of the cells in
plants and animals. (3 points)
Help pls

Answers

A bacterial cell doesn't have organelles such as nuclei, mitochondria or chloroplasts.

A molecule of mRNA with the sequence GGU CAU CAC UAU experienced a point mutation that caused the sequence to become G CG UCA UCA CUA. Which of the following terms describes this type of mutation?

Nonsense Mutation
Missense mutation
Frameshift Mutation
Silent mutation

Answers

Answer:

Missense mutation

Explanation:

How does the use of greywater differ from water reclamation?
a.
If collected separately, greywater can be used for certain applications without treatment.
b.
Greywater use is more costly than water reclamation.
c.
Water obtained from water reclamation processes can be used for drinking, while greywater cannot.
d.
Greywater has been mixed with sewage while water used in water reclamation is derived from cleaning water.

Answers

Greywater can be used for certain purposes without being treated if it is collected separately.

What distinguishes reclaimed water from gray water?

Recycled water—also known as "reclaimed water"—is treated, regulated water that can be used only in certain categories. Graywater is untreated wastewater from domestic sources that can be used under certain regulatory restrictions (with the exception of waste from kitchen sinks, dishwashers, and toilets).

What distinguishes desalination from water reclamation?

Desalination is a process that transforms seawater or brine water into drinkable water by removing dissolve salts. Additionally, reclaiming water is converting waste water.

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A team of researchers is investigating a new carbon-rich molecule important to life. They find evidence for the
presence of a carbon-carbon double bond in the molecule. This observation means that the new molecule likely
exists as which of following?
A. an aliphatic hydrocarbon
B. a hydrocarbon ring
C. both cis and trans isomers

Answers

Answer:

i think they found a hydrocarbon ring

One of the distinguishing characteristics of nervous tissue is how difficult it is to repair damage to nervous tissue. Explain factors limit neurogenesis in the CNS of adults, why is it so hard to repair a damaged nerve

Answers

Answer:

Inhibitory influences from neuroglia, and the absence of growth-stimulating cues.

Explanation:

Neurogenesis in adults is limited by Inhibitory influences from neuroglia, mainly from oligodendrocytes, and the absence of growth-stimulating cues that are present during fetal development. It is so hard to repair a damaged nerve because nerve cell like other cells can't divide and increase in number, they can't renew themselves. Due to no division, the nerve cells does not increase in number and therefore can't repair themselves.

Draw and label the stomach of ruminant animals​

Answers

The following includes a simple diagram of the stomachs of a ruminant animal

Fred loves La Paz, Bolivia so much that he decides to stay there for a couple years. All of the following changes could be considered a compensatory mechanism in response to the chronically decreased oxygen content EXCEPT
a. an increase in amount of circulating red blood cells.
b. an increase in oxygen extraction by perfused cells.
c. an increase in hemoglobin’s affinity for oxygen.
d. a decrease in heart rate.

Answers

Answer:

d. a decrease in heart rate.

Explanation:

As the altitude rises, the number of oxygen molecules in the air decreases. Lower oxygen levels at high altitudes stimulate the release of erythropoietin (EPO), which is associated with the increased red blood cells, i.e., it enables more oxygen molecules to be transported to cells and tissues. Moreover, at high latitudes, the increased hemoglobin (Hb)–oxygen affinity helps to safeguard arterial O2 saturation and thus mitigates the effects of low oxygen concentration in arterial blood (arterial hypoxemia). Finally, oxygen extraction depends on an appropriate supply of oxygen in the blood vessels. An increased oxygen extraction occurs when there is an inadequate circulating blood volume or when the number of red blood cells decreases below the normal levels.

- Roots are the only organs in a plant that need water.?

Answers

Answer:

No

Explanation:

But they are the only part of plants that absorb water

No roots are not the only organs in a plant that needs water.

What are roots of plant?

Roots are organs of higher plants that absorbs water and mineral ions from soil. Two main type of root system is observed in plants: Tap root system and Fibrous root system. Tap root systems are found in dicotyledonous angiosperms (such as pea) and gymnosperms (such as pine) whereas Fibrous root system is mostly observed monocotyledonous angiosperms (such as wheat or rice).

The three main primary function of the roots are:

1. They anchor the plant to the soil.

2. Absorb water and mineral ions from the soil to be later used by the plant.

3. It acts as food reserve.

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Why might an individual with AIDS have difficulty fighting off otherwise harmless infections? please answer!! last question I have!!! ​

Answers

Answer:

The HIV virus that causes AIDS kills T-cells. T-cells are responsible for fighting off infections. So someone with AIDS has a reduced number of T-cells and are unable to fight off infections that are harmless to other individuals.

Coat color in rabbits is represented by a gene (C). The different phenotypes are dominant in this order: Agouti > chinchilla > Himalayan > albino. Which type of inheritance is shown?

Answers

Answer:

Multiple Alleles

Polygenic Inheritance

Incomplete Dominance

After an accident, David has trouble moving his left arm and feeling things with his left fingers. The doctor tells him this is due to brain damage in his cerebral cortex. in which hemisphere is davids brain damage likely to be

Answers

It’s the cerebral cortex that is damaged and that damage and the cerebral cortex is located in the frontal lobe.

explain the structure of human teeth molar​

Answers

Answer:

Structure of the Tooth

A tooth consists of enamel, dentin, cementum and pulp tissue. The portion of a tooth exposed to the oral cavity is known as the dental crown, and the portion below the dental crown is known as the tooth root.

Also known as “bicuspids,” they tear and crush food. Finally, your molars line the back of your mouth where they chew and grind food. They're your largest teeth and have a flat surface with ridges. Also known as “6-year molars” or “12-year molars,” they tend to come in around those two ages.

What happens inside the mitochondria?
A. photosynthesis
B. blood circulation
C. cellular respiration

Answers

c cellular respiration
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Which of the following is true for a circle that has a circumference of approximately 75 feet?O The diameter is approximately 12 feet.O The radius is approximately 12 feet.O The radius is approximately 12 square feet.O The diameter is approximately 12 square feet. war never ends neither does My determination Which of the integers shown is the greatest? In circle G with m learn and observe air resistance by throwing objects from considerable height a; tissue paper b: plastic spoon c: stainless steel spoon take a record of your findings and observations and jot them down. Read the passage from the.. Which detail from "The Monkey's Paw" most clearly helps create tension? Which of the following displays cannot be used to compare data from two different sets? Weights measured in grams of randomly selected M&M plain candies:0.957 0.912 0.925 0.886 0.920 0.958 0.915 0.914 0.947 0.939 0.842What is the range of weights of the middle 99.7% of M&Ms?(round to the ten thousandths place)