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Population Evolution Quiz
Biology Principles of Evolution
2. What is the result of a change in DNA?

selection
equilibrium
migration
mutation

Answers

Answer 1

Answer:

mutation

Explanation:

If any part of the DNA is changed, such as the base pairs, then it would result in the mutation of the DNA, causing it to carry out a different function

Answer 2
The result of a DNA is Mutation

Related Questions

Name the electrolyte in the electrolysis of sodium chloride solution​

Answers

Answer:

Sodium metal and chlorine gas can be obtained with the electrolysis of molten sodium chloride. Electrolysis of aqueous sodium chloride yields hydrogen and chlorine, with aqueous sodium hydroxide remaining in solution.

Answer:

Molten sodium chloride

Cathode: Na+(aq) +e ….>Na(s)

Anode: 2Cl-(aq) +2e…..>Cl2(g)

Sodium chloride solution.

Cathode: 2H-(aq) + 2e…>H2(g)

Anode:4OH-(aq)…>2H2O(l)+O2(g)

As more is learned about cancer, it has become clear that cancer, with few exceptions, ________. Group of answer choices is only dependent on the inherited genetics is a result of genetics and environmental factors is 100% dependent on inherited genetics has no genetic basis

Answers

Answer: Is a result of genetics and environmental factors.

Explanation:

Cancer is the common name for a group of diseases in which there is a division of the body's cells, whose growth exceeds that of normal tissues and which persists in the same excessive manner. It can begin in a localized manner and spread to other surrounding tissues and its malignancy is very variable, according to the aggressiveness of its cells and other biological characteristics of each type of tumor. In general, the behavior of cancer cells is characterized by lacking the reproductive control required by their original function, acquiring the capacity to invade tissues (metastasis), spreading through the organism via the lymphatic or circulatory system, and causing the growth of new tumors in other parts of the body.

A gene is a hereditary unit composed of DNA that carries the instructions for producing proteins, which do much of the work in our cells. Certain genetic alterations can cause cells to evade growth controls and become cancerous cells. These changes can be inherited from our parents if the changes are present in the germ cells (eggs and sperm) and they are called germline changes. In addition, cancer-causing genetic changes can also be acquired during a person's lifetime (somatic or acquired changes), as a result of DNA errors that occur when cells divide either spontaneously or by exposure to carcinogenic substances that damage DNA (environmental factors), such as certain chemicals in tobacco smoke, or radiation, such as ultraviolet rays from the sun. These substances damage DNA, acting as mutagens.

Sometimes, the changes are not in the DNA sequence. For example, the epigenetic modifications are the presence of chemical marks in DNA which can determine if the gene is expressed. This means, whether and how much messenger RNA is produced, because the messenger RNA is translated into proteins.

So, cancer cells have genetic changes compared to normal cells. These changes are due to mutations that can be inherited, acquired spontaneously during life, or acquired due to environmental factors such as sun exposure, smoking, and other factors. In addition, the fact that a person has the cancer-related mutation does not necessarily mean that he or she will develop the disease during his or her lifetime. In some cases, even if they have this genetic vulnerability, they remain healthy, because cancer is a multifactorial disease that depends on many factors, such as the immune system, nutrition and certainly many others currently unknown to medicine.

Tại sao khi chi bị đau một bộ phận nào đó trong có thể những ta vấn thấy toàn có thể bị ảnh hưởng ?

Answers

Answer:

Sorry I can't understand anything

1. Explain using diagram how monomers are arranged in Thermoplastic and Thermosettingplastics.​

Answers

Explanation:

In thermoplastics, the arrangement of monomeric units is linear and in thermosetting plastics, it is cross-linked. Thermoplastics are usually soft, weak and less brittle, so can get soften on heating and stiffen on cooling. They can be melted, remoulded and recycled easily.

Dental plaque Group of answer choices anchors teeth to their bony sockets. is calcified organic matter on the surface of teeth. protects teeth from bacteria-induced tooth decay. forms a bone-like protective layer. consists of food particles trapped in a sticky matrix.

Answers

Explanation:

dental plaque consists of food particles trapped in a sticky matrix.

I hope this helps

Các tuyến nào sau đây được gọi là các tuyến pha?

Answers

Answer:

tuyến tụy, tuyến sinh dục

Explanation:

From earliest to latest, the overall sequence of early development proceeds as follows: A) gastrulation → organogenesis → cleavage B) ovulation → gastrulation → fertilization C) cleavage → gastrulation → organogenesis D) gastrulation → blastulation → neurulation E) preformation → morphogenesis → neurulation

Answers

Answer:

C) cleavage → gastrulation → organogenesis

your welcome!

ayudaa por fa es para mañana
teniendo en cuenta la lectura uno de los métodos más rápidos económicos y eficaces para eliminar las bacterias del agua es la
A. desinfección
B. esterilización
C. cloración
D. inmunización

Answers

La respirate Es C. Cloración

One gene pair can influence other gene pairs, with their combined activities producing some effect on phenotype; this called ________________. In Labrador retrievers, one gene pair codes for the quantity of melanin produced while another codes for melanin deposition. Still another gene locus determines whether melanin will be produced at all--lack of any produces an albino (recessive).

Answers

Answer:

Epistasis

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants

In Genetics, a gene pair has the ability to influence other gene pairs based on their combined activities which produces some effect on phenotype; this is called epistasis.

Which of these statements about photosynthesis is correct?
A.
Both photosynthesis and respiration require the same amount of energy for metabolic processes, such as synthesis and the breakdown of carbohydrates.
B.
Photosynthesis releases energy for metabolism, whereas respiration requires energy for the breakdown of carbohydrates.
C.
Photosynthesis requires energy for the synthesis of carbohydrates, whereas respiration releases energy during the breakdown of carbohydrate

Answers

Answer:

C

Explanation:

proteins have a function in
a. giving form to the cell b. providing stored energy and directing movement within a cell C. providing a scaffold for chemical reactions to take place d. catalyzing chemical reactions within a cell e. all of the above. friend thinks e but i wanna make sure ​

Answers

Answer:

c

Explanation:

Which was most likely an effect on society that resulted from improvement in handling blood during world war l and world war ll?

Answers

Answer:

Effective food supply was most likely an effect on society that resulted from improvements in blood handling during World War I and World War II.

Explanation:

Choices:

Why are reflex actions rapid and automatic? *

1. They do not go to the brain.
2. They do not go to the spinal cord.
3. They involve the conscious part of the brain.
4. They do not involve the conscious part of the brain.

Answers

Answer:

4. They do not involve the conscious part of the brain.

Explanation:

A reflex action follows this general sequence and does not involve the conscious part of the brain. 

Which is an effect of an increase in ocean temperature?
A. Increased precipitation
B. Increased percolation
C. Decreased evaporation
D. Decreased transpiration

Answers

Answer:

a

Explanation: because the increased tempuature will result in an increase in evaporation which in  turn increases precipatation

describe the process of digestion in a person who had beans for lunch time​

Answers

Answer:

The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.

11. Choose the best answer.
A spore is a reproductive structure that contains a haploid cell and
a food supply
a style
a protective coating
a diploid cell

Answers

a protective coating. spores do not have stored food supplies, they are a haploid cell

Write the different function of different type of teeth.​

Answers

Answer:

to help break down food.

help in digestion due to enzymes.

they help break down food

According to the ESRT, the rate of temperature increases below the Earth's surface is greatest between depths of

Answers

Answer:

Between depths of tectonic plate boundaries and the outer core.

Explanation:

The rate of temperature increases below the Earth's surface is greatest between depths of tectonic plate boundaries and the outer core.  At the depth, some of the heat comes from the Earth's core while most of the heat comes from decay of radioactive elements, mainly uranium, thorium and potassium that is located in rocks of the crust. So we can say that the the increase in temperature with depth varies with the chemical composition and age of the rocks.

112g Fe + 64g S = FeS

Answers

The correct answer is 176 g

What is a gene??????

Answers

Answer:

A gene is a unit of heredity

Explanation:

A gene is a unit of heredity that is passed from a parent to their offspring and is responsible for determining a certain trait of the offspring.

or

A gene is a unique sequence of nucleotides that makes up a chromosome and controls how a cell (or virus) can assemble monomers into polypeptides or nucleic acid molecules.

HELP
In humans, ventilation, digestion, and blood flow are important biological processes. Explain the relationship between the structure of tissues or organs and one of these processes.

Answers

Answer:

I am assuming the question is asking how do the processes relate to one another.

Explanation:

Ventilation happens in the lungs, where carbon dioxide and oxygen are exchanged in the alveoli. This is done via cappilaries that surround the alveoli. Cappilaries are small blood vessels, which are collecitelvy part of the blood flow system (circulation) of the body. In reguards to the digestion, there are capillaries in the vili (which are tiny finger-like structures) so that they can pick up the nutrients during digestion. Another way blood flow and digestion are connected is because the stomach is a muscle, thus is moves and requires energy. That energy comes from the oxygen and nutrients that is supplied by the blood. These are just some examples.

A ball is launched from the ground with a horizontal speed of 30 m/s and a vertical speed of 30 m/s. What is the ball’s horizontal acceleration at the top of its trajectory?
A. 10 m/s/s
B. 30 m/s/s
C. 15 m/s/s
D. 0 m/s/s
The factor(s) that most affect the gravitational force between two objects are:
A. mass and distance
B. density and distance
C. mass and size
D. density and size
What comes out of the bottom of a space shuttle?
A. Lava
B. Hot gas
C. Plasma
D. Water
A 1,500 kg truck drives at 20 m/s. How much kinetic energy does it have?
A. 450,000 J
B. 3,000,000 J
C. 30,000 J
D. 300,000 J
A bicyclist moves at a constant speed of 4 m/s. How long it will take for the bicyclist to move 36 m?
A. 9 s
B. 18 s
C. 12 s
D. 6 s
Why is friction useful between your feet and the ground?
A. It's not useful
B. Wears away your sneakers
C. Slows you down
D. So you don't fall over
What is the unit for kinetic energy?
A. Kg
B. N
C. Joules
D. N/m
If Vector A is (6, 4) and Vector B is (-2, -1), what is the resultant?
A. (4,5)
B. (4,3)
C. (8,5)
D. (8,3)
Your initial speed is zero. If you increased your speed by 4 m/s after only 2 seconds and continue to accelerate at the same rate, what will your speed be after 10 seconds?
A. 30 m/s
B. 40 m/s
C. 10 m/s
D. 20 m/s
You cover 750 m in 25 seconds. What is your speed?
A. 25 m/s
B. 30 m/s
C. 35 m/s
D. 40 m/s
The same net force is applied to object A and object B. The observed accelerations of the two objects are not the same; object A has an acceleration three times that of object B. Which of the following is correct?
A. Object A has one-third the mass of object B.
B. Object A has three times the mass of object B.
C. Object A has more friction than object B.
D. Object A has a different, less streamlined shape than object B.
Is friction acting on a moving ship useful?
A. No
B. Yes
C. Not sure
D. Maybe
A 12 kg ball is held 2 m above the Earth. How much GPE does it have?
A. 24 J
B. Not enough info
C. 240 J
D. 144 J
A car travels south at 30 m/s for 5 minutes. What is its velocity?
A. 30 m/s South
B. 30 m/s
C. 300 m/s South
D. 300 m/s
An object maintains its state of motion because of
A. Inertia
B. Momentum
C. Force
D. Acceleration
If I double the spring constant of a spring, what happens to its EPE if stretched the same distance?
A. Halves
B. Disappears
C. Not enough info
D. Double
If I were to take a ball to the moon, where gravity is 1/6th that on the Earth, what will happen to its GPE if I hold it at the same height both places?
A. 1/6th as much
B. Disappear
C. Not enough info
D. 6 times as much
A 40 kg bike traveling down the road has a negative acceleration. What is true of the force?
A. It is positive
B. It is zero
C. It doesn't exist
D. It is negative
Forces that act together are called what type of pairs?
A. Left-right
B. Happy-sad
C. Action-reaction
D. Up-down
A satellite’s original velocity is 10,000 m/s. After 60 seconds it’s going 5,000 m/s. What is the acceleration?

A. -83 m/s2
B. -250 m/s2
C. 83 m/s2
D. 250 m/s2
If the sun were more massive, what would happen to Earth’s gravity with the sun?
A. increase
B. would be 0
C. would be infinite
D. decrease
The amount of matter in an object is called its
A. Force
B. Mass
C. Balance
D. Weight
An object with a mass of 15 kg has an acceleration of 4 m/s2, what is the resultant force?
A. 19 N
B. 3.75 N
C. 600 N
D. 60 N
How long does it take me to travel 500 m at a speed of 50 m/s?
A. 10 s
B. 25,000 s
C. 15 s
D. 2500 s

Answers

1. D
2. A
3.
4. D
5. A
6. C
7. C
8.
9.
10. B
11. B
12. B
13. C
14. B
15. A
16. D
17.
18. D
19. C
20. A
21. A
22. B
23.
24. A

A researcher found a beautiful plant while traveling in Alaska and collected its seeds. When she came back to Florida, she soaked some of the seeds in pure water and some of these seeds in a water hormone solution. When she put all of the seeds in the soil to grow, only the seeds that had been soaked with the hormone germinated. The hormone most likely was

Answers

Answer:

auxins and cytokinins

Explanation:

the two hormones induce growth for plants

Competitive divers pull their limbs in and curl up their bodies when they do flips. Just before entering the water, they fully extend their limbs to enter straight down. Explain the effect of both actions on their angular velocities. Also explain the effect on their angular momenta.

Answers

Answer:

whats an angular momenta ?

Explanation:

Where is amyglada located in a brain ? How does it function ?​

Answers

Short Answer: The amygdala is located in the brain and its functions are related to emotional learning.

Explanation

The amygdala is a brain structure located in the temporal lobe of the brain. Its functions are related to the emotional system of the brain, and memory. In addition, the amygdala has been shown to influence the emotional learning process. The amygdala is mainly responsible for the formation and storage of memories associated with emotional events, so external sensory stimuli reach the basolateral group of the amygdala, where associations are formed with memories of the stimulus (mainly related to fear).

How does coronavirus causes severe pneumonia?

Answers

Answer:

please mark me brainliest

Explanation:

The new coronavirus causes severe inflammation in your lungs. It damages the cells and tissue that line the air sacs in your lungs. These sacs are where the oxygen you breathe is processed and delivered to your blood.

Answer:

The new coronavirus causes severe inflammation in your lungs. It damages the cells and tissue that line the air sacs in your lungs. These sacs are where the oxygen you breathe is processed and delivered to your blood. The damage causes tissue to break off and clog your lungs

Explanation:

Mark me as Brainliest

Lactase is a human enzyme that catalyses the breakdown of lactose in milk.
At which temperature does lactase work faster?
A 0°C
B 18°C
C 37°C
D 100°C​

Answers

Answer:

Maybe 37°C

Explanation:

Because at 100°C enzyme gets denatured so maybe its 37°C .

I hope it's Right if not then advance sorry :)

In humans, one function of an inter neuron is to relay impulse directly from …

Answers

Answer:

D

Explanation:

the interneuron is located in the central nervous system between the sensory neuron and the motor neuron, therefore it relays impulses from the sensory neuron to the motor neuron

I hope this helps

How do organisms in the rainforest compete for biotic and abiotic factors? (Emergent layer, canopy layer, understory, forest floor?) In the ecosystem. Giving brainliest.

Answers

Organisms in the rainforest compete for biotic and abiotic factor by using resources that are available in the surrounding environment.

Competition occurs when the resources are available in scarce or limited amount. When there is an abundant amount of resources, there is no competition between organisms. The organism which is stronger than other organism can use more resources i.e. water, food and space etc and increase its population.

Those organisms which feed on similar food and other resources can compete with each other and the stronger organism will use the resources in large amount.  

https://brainly.com/question/24374564

explain the systemic circulation ​

Answers

Explanation:

Systemic circulation is also called general circulation in these circulation the oxygenated blood from the aorta moves towards the whole body (to each and every organ).

The aorta is divided into ascending and descending aorta. The ascending aorta supplies oxygenated blood to ascending or upper body parts and descending aorta supplies oxygenated blood to descending or downward body parts.

Hope it helps you! \(^ᴥ^)/

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