point mutations, such as silent, nonsense, and missense mutations, are caused by

Answers

Answer 1

Answer:

damage to DNA during replication process


Related Questions

manilla and linen are derived from which plants, respectively

Answers

Answer:

flax is a stem fiber that is used to make linen. a smooth shiny fabric made from flax

who was the first person to study the embryos of different species

Answers

Answer:

Aristotle

Explanation:

Aristotle was the first person to study the embryos of different species.

Which food would be best for a child who has weak teeth and bones? (according to the table)
Food: ________
Explanation: _____________________________________________________________________________________________________________________________________________________________________________________________________________

Answers

Answer:

Milk

Explanation:

It contains High calcium which will help to strengthen the teeth and bones of said child

milk because of the benefits from calcium

5. One reason that viruses are harmful to living cells and classified as pathogens is that they-
A cause organisms to produce daughter cells through the process of mitosis
B stimulate the production of ATP in mitochondria within host cells
C damage the cells used in the production of new virus particles
Dreduce the amount of cholesterol in the blood of people with heart disease

Answers

The answer is b. Just took the test

help me pls ASAP it's need​

Answers

Answer:

slash and burn methods results in soil erosion due to the fact that it causes landslides, dust clouds and contaminated water. Soil washes away during rain and trees are no longer supported by the soil holding their roots in place

Which of the following are the two principal end products of photosynthesis? (4 points)
a) Glycogen and starch
b) Glycogen and cellulose
c) Starch and glycerol
d) Starch and glucose

Please help me with the answer, tysm!

Answers

Answer:

Starch and Glucose

Explanation:

Hope this helps

Answer:

The end products of photosynthesis are glucose and oxygen. None of those answers are right..

Explanation:

which level of an energy pyramid has the least amount of food energy?

Answers

Answer: Tertiary consumers receive 10% of the energy available at the secondary level (0.1% of the original energy). As a result, tertiary consumers have the least amount of energy and are therefore at the top of the pyramid (the smallest part).

for an enzyme to be able to catalyze a reaction, the active site must —

Answers

Answer:

Active site of an enzyme must be attached to a substrate

Explanation:

Active site of an enzyme must be attached to a substrate

For an enzyme to be able to catalyse a reaction, the active site must bind with the specific substrate. This is referred as 'enzyme-substrate' complex.

Why do enzymes catalyse a reaction?

Enzymes have the property of catalytic activity. All the enzymes are proteinaceous in nature. Enzymes specifically bind with the substrate and thus initiates a catalytic reaction. This is referred as enzyme-substrate specificity.

Enzymes associate with the substrate at a specific site by lowering the activation energy. This forms the active site where the reaction occurs. The substrate thus transforms into the product upon the action of enzyme.

Enzymes are unique as they speed up any chemical reaction. They help in achieving the equilibrium at a faster rate. Daily thousands of enzymatic reactions are carried out in the body.

Thus, enzymes are important in the biochemistry as they persuade chemical reactions.

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what virus cycle causes immediate infection

Answers

Answer:

the lysogenic cycle does not result in immediate lysing of the host cell

Zander is conducting an investigation, and he used this video. Which statement best describes what Zander is testing in his experiment?





When a substance changes from a gas into a liquid due to a change in temperature, melting occurs, which is a physical change.


When a substance changes from a solid into a liquid due to an increase in temperature, it is a physical change.


When a substance changes from a gas into a liquid due to a decrease in temperature, the substance cools down and condenses, which is a phase change.


When a substance changes from a liquid into a gas due to a decrease in temperature, the substance evaporates and cools down, which is a phase change.

Answers

Answer:

sorry it is c

Explanation:

help me pls ASAP it's need​

Answers

Answer:

4. true 5. true 6. false 7. A

Most igneous rocks form by which processes?
PLEASE SOMEONE HELP ME ILL GIVE YOU BRAINLIST ANSWER!!!

Answers

Answer:

C. Melting and Solidification

Explanation:

John and Marissa purchase their first home for $120,000. They must put 15 percent down on the purchase price as a down payment. What will the amount of the down payment be?

Answers

Answer:

Downpayment: 15% of original price

Original price: $120,000

15% of 120,000 = [tex]\frac{15}{100}[/tex] × 120,000

                          = $18,000

Thus, the downpayment is $18,000.

John and Marissa purchase their first home for $120,000 than the Down payment is 15% of original price

Original price: $120,000

15% of 120,000 =  × 12 = $18,000

Thus, the downpayment is $18,000.

What is down payment?

Part A

The down payment of $48,000 is 20% of the purchase price

Part B

A $12,000 down payment will be 5% of the purchase price

A percentage is the expression of the product of the ratio of two numbers and 100

The amount the investors buy the studio apartment = $240,000

The amount the investors have as down payment = $48,000

Part A

The ratio of the down payment the investors have and the amount the investors buy the apartment = 45,000/240,00 = 0.2

Therefore, their down payment is 0.2×100 = 20% percentage of their purchase price

Their $48,000 down payment is 20% of their purchase price

Part B

The percentage of the purchase price a $12,000 down payment would be is given as follows;

12,000/240,000 × 100 = 5%

Therefore, a $12,000 down payment will be 5% of the purchase price.

John and Marissa purchase their first home for $120,000 than the Down payment is 15% of original price

Original price: $120,000

15% of 120,000 =  × 12 = $18,000

Thus, the down payment is $18,000.

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11. Approximately how much of Earth's fresh water is trapped in glacial ice?
O A. 70 percent
OB. 10 percent
O C.30 percent
O D. 90 percent

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Answer:

A. 70 percent

a main advantage to organisms that reproduce sexually is

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Answer:

During sexual reproduction, the genetic material of two individuals is combined to produce genetically-diverse offspring that differ from their parents. ... The genetic diversity of sexually-produced offspring is thought to give species a better chance of surviving in an unpredictable or changing environment.

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Hope this helps :)

Select the correct answer
Part of social health means that you make positive contributions to your community.
A.
True
B.
False

Answers

Answer:

A. True

Explanation:

A portion of social health results from positive community experiences.

Which animals male reproductive organ is actually one of its arms?

Answers

I believe it’s an octopus
a hectocotylus hope this helps

How does a forest fire impact a population of birds that nest in the trees.

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Answer:

If a forest fire occurs it will impact a population of birds that nest in those trees because their habitat will be burnt down. This will provoke the birds to find a new habitat which can be hard if the entire forest is burnt down. Additionally resources such as food will be burned down as well.

Assuming birds escape a fire, smoke might still affect their health in ways that aren’t very well understood. Scientists have found that smoke can damage lung tissue and leave the animals susceptible to potentially lethal respiratory infections.

What are some ways people in Everglades are getting rid of Burmese Pythons?

Answers

Answer:gas

Explanation:when i learned about this we used gas bombs to rat them out and poisin them

What dating technique could scientist use to find the age of a meteoroid?

Answers

Answer:  isochron method.

Explanation:

Bob has brown hair and Sally has blonde hair. If brown hair is dominant and blonde hair is recessive, is it possible for Bob and Sally to have a blonde-haired child? Use the GENOTYPE of each parent to EXPLAIN your answer.

Answers

Answer:

Yes, it is possible.

Explanation:

Bob could either be h.o.m.ozygous (BB) for brown hair or h.e.terozygous (Bb) for brown hair. If Bob is h.e.t.erozygous for brown hair, this means he has a blonde hair allele. For a child to be blonde, the child needs one blonde allele from each parent and this is possible if Bob has a blonde hair allele. However, it is not possible if Bob is h.o.m.ozygous for brown hair.

In the image, there is a punnet square showing the possible genotypes of the children if Bob is h.e.t.erozygous for brown hair.

in _________, enzymes cut DNA into fragments, which are separated by size to form a pattern of bands.

a. selective breeding
b. cloning
c. dna fingerprinting
d. protein synthesis

Answers

Restriction enzyme analysis

In which biological event is chemical energy transformed into mechanical energy?
O muscular movement
O
photosynthesis
O bioluminescence

Answers

Muscular movement is the correct answer

The event in which the chemical energy transformed into mechanical energy is muscular movement. The correct option is A.

What is muscular movement?

Muscles contract and then relax to move body parts. Muscles can pull bones, and yet they can't push them back into position.

As a result, they function in pairs of flexors and extensors. To flex a limb at a joint, the flexor contracts.

We discussed the skeletal system and the gestures that can take place at joints, such as flexion, extension, abduction, inversion, and so on.

These movements are produced by skeletal muscles pulling bones in different directions.

When ATP is hydrolyzed during cross-bridge cycling, chemical energy is converted to mechanical energy during muscle contraction.

As the muscle deforms or performs external work, this mechanical energy is distributed and stored in the tissue.

Thus, the correct option is A.

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the four most abundant elements in living organisms are

Answers

Answer:

CHON is a mnemonic acronym for the four most common elements in living organisms: carbon, hydrogen, oxygen, and nitrogen

Explanation:

hope it helps you

5. Drug X blocks ATP regeneration from ADP and phosphate. How will muscle cells respond to this drug?
A. by absorbing ATP from the bloodstream
B. by using ADP as an energy source
C. by using glycogen as an energy source
D. none of the above

Answers

The answer is: D - none of the above.

The muscle would contract with isotonic force. The muscle would contract isometrically. As a result of the actin-myosin cross bridges' inability to persist, the muscle would relax and lengthen. Thus, option D is correct.

What is effect of drug on ATP inhibition?

Efrapeptins and aurovertins, two types of antibiotics, prevent ATP synthase from producing or breaking down ATP.

The rotor, the core cavity of the enzyme, and the particular -subunit catalytic site are where the efrapeptins bind to ATP synthase. This is because there won't be an ATP synthase-driven proton gradient.

The inability of the inner mitochondrial membrane to remain impermeable to protons or the cessation of electron transport will prevent oxidative phosphorylation from taking place.

Therefore, muscle contract with isotonic force.

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state one way of monitoring the activity of the heart other than measuring pulse​

Answers

Answer: fitness tracker or a strap that you put against your chest

Explanation:

refer to vs map: gene expression—flow of information from gene to protein tour. which base pairing is incorrect?

Answers

I think your question is lacking

5. What would happen if all of the bird types in this activity flew to an island where no birds had
been before and the only food available was rice? Which birds would be most successful? Which
birds would be least successful?

Answers

Answer:

the birds would either have two choices. they can eithe starve or they could adapt and eat the rice. they eventually would adapt if they wanted to stay alive and thrive or they would simply become extinct

Explanation:

If all of the bird types in this activity flew to an island where no birds had been before and the only food available was rice then they either starve or adapt and eat the rice.

What is adaptation?

An adaptation can be defined as the heritable behavioral, morphological, or physiological trait which has evolved through the process of natural selection of a species, and maintains or increases the fitness of an organism of a species under a given set of environmental conditions and time.

In this activity, if all of the bird types flew to an island where no birds had been before and the only food available was rice then they either starve or they could adapt and eat the rice. However, they eventually would adapt if they wanted to stay alive on that island and thrive or they would simply become extinct.

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Bob has brown hair and Sally has blonde hair. If brown hair is dominant and blonde hair is recessive, is it possible for Bob and Sally to have a blonde-haired child? Use the GENOTYPE of each parent to EXPLAIN your answer.

Answers

Answer:

no it is not possible

Explanation:

bc when you do a punnett square brown hair is dominant so there is not a possible way for their child to have blonde.

yes it is, let’s say B - is for brown hair and b - is for blonde hair
to have blonde hair they would have to have a bb genotype meaning that if bob had the Bb genotype then sally and bob have a 1/4th chance of having a blonde haired child

a scientist finds an organism that has a single cell without a nucleus this organism was found in pond water in which kingdom does it belong to? explain what is the answer if you find the answer i will give you 100,000 dollars

Answers

Answer:

Protista

Explanation:

In biology, there are said to be six different kingdoms that an organism can be classified under. They include Animalia, Plantae, Fungi, Protista, Archaea/Archaebacteria, and Bacteria/Eubacteria.

With this in mind, you say that a unicellular (single-celled) organism without a nucleus was found in pond water. This would point to the Protista kingdom, which are also known as protists. These organisms are single-celled beings with no big nucleus that are typically found in environments like ponds.

Hope this helped! I will take my 100,000 dollars via wire transfer (or just give this answer branliest)

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