PLEASE HELP...GOD WILL BLESS YOU!
Is the mutation causing lactase persistence in a person of African descent likely to be different from that in a person of European descent? Explain.
:D

Answers

Answer 1

Answer:Hey im help you , download socratic and take a picture of the wuestion and boom is what i’ve used my 4 years of high school and its wonderful

Explanation:


Related Questions

Is a person who inherits a single allele for Huntington’s disease likely to develop the disorder? If so, when during his or her lifetime?

Answers

Answer:

Huntington's disease is caused by an inherited defect in a single gene, meaning yes it is likely. more likely will get symptoms between the ages of 30-40s

Why
laboratory rats kept and studied in the exclusion zone?

Answers

They are studied by the scientist so that they can examin them time to time

Why are dark colored pocket mice found in the dark, rocky areas of the desert?

Answers

their fur is that color so they can camoflaugue with their surroundings

Answer:

Because God put them there on purpose. For example, they could hide in little tunnels in the ground to hide from predators, and also, so it could camoflauge with it's surroundings. Have a great day!

Explanation:

(:

What occurs when mitosis keeps dividing?

Answers

The answer is meiosis

What do we call the 100% incoming rays of the sun which reaches our atmosphere ​

Answers

Answer:

The amount of heat radiated from the atmosphere to the surface (sometimes called “back radiation”) is equivalent to 100 percent of the incoming solar energy

Explanation:

Answer:

The amount of heat radiated from the atmosphere to the surface is equivalent to 100 percent of the incoming solar energy.

3
What is the most likely cause of plate movement?

Answers

Answer:

earthquake

Explanation:

two functions of the anther and why it attracts insects.​

Answers

Answer:

yeah

Explanation:

Produce male sex cells (pollen grains)

How do the biotic and abiotic factors you circled interact?

Answers

Answer:

Explanation:In general, abiotic factors like rock, soil, and water interact with biotic factors in the form of providing nutrients.  The water, phosphorus, nitrogen, and carbon cycles are examples of this. Another way biotic and abiotic factors interact is that biotic factors often change the geology and geography of an area.

Answer:

In general, abiotic factors like rock, soil, and water interact with biotic factors in the form of providing nutrients

Explanation:

Identify the wave that has the highest amount of energy​

Answers

Answer:

the tallest one

that is the amplitude

would you rather get hit by which wave if it were water?

Explanation:

PLEASE HELP!!
Which sector creates the most fossil fuel emissions?

agriculture
transportation
electricity generation
industry

Answers

Answer:

transportation

Explanation:

Transportation (28.2 percent of 2018 greenhouse gas emissions) – The transportation sector generates the largest share of greenhouse gas emissions.

hope this help

Potassium-40 has a half-life of 1.3 billion years. If a rock was
determined to be around 3.9 billion years old what percentage
of the original potassium-40 would be left in that rock sample?

Answers

Answer: The 3.9 billion year old rock has undergone three half-lives (3.9 divided by 1.3 = 3). After 3 half-lives, 12.5% of the potassium-40 remains undecayed.

The 3.9 billion year old rock has undergone three half-lives (3.9 divided by 1.3 = 3). After 3 half-lives, 12.5% of the potassium-40 remains undecayed.

Explain the relationships and trade-offs among amounts of skin pigmentation, Vitamin D production, and protection from UV radiation.

Answers

Answer:

Ultraviolet radiation leads to DNA mutations in the melanocytes, which are skin cells that contain melanin. Melanin level is inversely associated with the ability of skin cells to produce vitamin D

Explanation:

Ultraviolet (UV) radiation is a well-known environmental factor that causes mutations in the DNA of melanocytes, which are skin cells that produce melanin. Moreover, melanin is a protective pigment whose main function is to block UV radiation, thereby protecting the body from DNA damage and, consequently, from cancer (skin cancer). Abundant melanin levels can decrease the ability of the body to synthesize vitamin D, the only vitamin that can be synthesized with sunlight. In consequence, darker skin is associated with a higher risk of having vitamin D deficiency.

What is herd immunity, and why are vaccines important for achieving herd immunity?

Answers

Answer:

Herd immunity is a form of indirect protection from infectious disease that can occur with some diseases when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity.

Explanation:

Vaccines create immunity without causing illness or resulting complications. Herd immunity makes it possible to protect the population from a disease, including those who can't be vaccinated, such as newborns or those who have compromised immune systems.

Which feature of deforestation has the greatest effect on the atmosphere?

extinction of forest animal species

increased risk of flooding

reduction of photosynthesis

soil erosion

Answers

Answer:

I'd say reduction of photosynthesis

Explanation:

This is because the atmosphere is mainly made up of gases and photosynthesis involves some certain gas exchange and evolution.

Remember there's room for correcting me since this answer is based on my thinking

Some cells can die as a result of external agents suck as poison or trauma. However, most cells die through a process known as apoptosis, or programmed cell death. What is a likely consequence of a mutation that prevents apoptosis

Answers

Answer: A tumor

Explanation:

A mutation that prevents apoptosis can disrupt the normal cellular mechanisms that prevent tumor formation, and lead to the uncontrolled growth of cells that could ultimately cause cancer.

What is apoptosis?

A mutation that prevents apoptosis, or programmed cell death, can have several consequences. One of the most significant consequences is the accumulation of damaged or abnormal cells, which can lead to the development of tumors and cancer. Apoptosis is a natural process that eliminates cells that are no longer needed or that are damaged beyond repair. This process is essential for maintaining tissue homeostasis and preventing the growth of abnormal cells.

When cells are prevented from undergoing apoptosis, they may continue to divide and proliferate uncontrollably, leading to the formation of a mass of cells known as a tumor. This is because cells that have undergone DNA damage or that have other abnormalities are normally eliminated through apoptosis to prevent the accumulation of cells that could become cancerous.

Learn more about apoptosis, here:

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Explain surface runoff. HELP PLSSSSSSS

Answers

Explanation: Surface runoff is water, from rain, snowmelt, or other sources, that flows over the land surface, and is a major component of the water cycle. Runoff that occurs on surfaces before reaching a channel is also called overland flow. A land area which produces runoff draining to a common point is called a watershed

Explanation:

surface runoff also called soil erosion is the washing away of top soil by the actions of moving water after rainfall. It occurs when the surface of soil is exposed to direct rainfall.

What is the difference between between pulmonary artery and pulmonary vein? (I will mark you as brainleist) ​

Answers

The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)

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5. The center of your skeletal system is your backbone?
(1 Point)
true
False
help

Answers

Answer:

True

Explanation:

Write the letter all of the following statements that are NOT true. a. Coding sequences for gene products can be isolated from cDNA libraries. b. Antibodies are used for Northern blot analysis. c. VNTRs are highly conserved in human populations. d. PCR amplification generates large numbers of linear DNA fragments. e. RNA molecules can be used as hybridization probes in Southern blot analysis. Separate your answer(s) with a comma, and enter only the letter(s) of your choice(s

Answers

Answer:

b. Antibodies are used for Northern blot analysis.

c. VNTRs are highly conserved in human populations.

Explanation:

The northern blot technique is used in molecular biology laboratories for detecting specific RNA molecules in a sample of RNA derived from a particular cell/tissue. Antibodies can be detected by the enzyme-linked immunosorbent assay (ELISA). In ELISA, antigens are used to detect specific antibodies: the addition of the antigen produces a positive reaction i.e., formation of the antigen-antibody binding complex. Subsequently, a second antibody with a particular marker is added to bind with the complex, thereby producing a change in the color and thus evidencing the presence of the target antibody in the sample. On the other hand, the variable number of tandem repeats (VNTR) are short sequences (around 20 to 100 bp) whose number of repetitions varies at specific loci in the genome of many organisms, including humans. Since VNTR sequences exhibit variation in length between individuals of the same species/population, they are widely used as molecular markers to identify individuals, QTL (quantitative trait loci) mapping, establish phylogenetic relationships among individuals/cultivars/lines, etc.

All human beings differ from one another by roughly what percentage of their total DNA?

Answers

Answer:

All human beings are 99.9 percent identical in their genetic makeup. Differences in the remaining 0.1 percent hold important clues about the causes of diseases.

My dog whom I've had since before I was born is about to die. Does anyone have any help or tips? Thank you so much for helping. This means a lot.

Answers

Answer:

spend as much time with your loyal pet

Explanation:

make them feel safe and comfortable since it is their last moments on earth. cherish them. hope everything turns out fine for you

Answer:

sorry i though you said she or he die you have to make that last times with he or she the best ones

Explanation:

GIVING BRAINLIEST!!!!

What is a similarity between wind and water?

A) They are both types of non-renewable resources.
B) They are both sources of power for objects that people use.
C) They can both be polluted by pesticides and fertilizers.
D) They are both sources of oxygen for plants and animals.

Answers

i think the correct answer would be b :]

The lytic cycle deals with?

A. Bacteria
B. Viruses
C. Bacteria and Viruses
D. None of the above

Answers

Answer:

I am pretty sure its C (Not 100% sure)

Explanation:

I used my memory

Matt use a camera to take a picture of a rose on a piece of paper in the picture the rose appear to be bright red and the background appear to be white then Matt place a blue glass filter over the camera lens and took another picture in this picture of the Rose appear to be black in the background appear to be blue explain what happens to light waves to make the appearance of the rules in the appearance of the background different in the two pictures. ​

Answers

The blue glass filter absorbed most of the red light waves and allowed only the blue light waves to pass through, resulting in the appearance of the rose and the background being different in the two pictures.

What is Light?

Light is a form of electromagnetic radiation that is visible to the human eye. It is a type of energy that travels in straight lines and has both wave-like and particle-like properties. Light is a fundamental part of our world and plays a crucial role in our lives.

Light is produced by the motion of charged particles, such as electrons, and can be emitted by sources such as the sun, light bulbs, and fires. Light travels at a constant speed of approximately 299,792,458 meters per second in a vacuum, which is known as the speed of light.

When Matt took the first picture of the rose on a piece of paper without any filter, the camera captured the visible light waves that were reflected by the rose and the background. The rose appeared bright red because it reflects mostly red light waves and absorbs other colors, and the background appeared white because it reflects all the visible light waves equally.

Learn more about Light from the given link

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Where do each of the elements (letters) in glucose comes from during the process of photosynthesis.

Answers

Answer: From carbon dioxide and water

Explanation:

Glucose is a type of carbohydrate which is produced as a product of the biochemical reaction that is photosynthesis. Carbon dioxide and water are the reactants used for the synthesis of glucose. The carbon dioxide is obtained from the atmosphere and water from the roots. Carbon, hydrogen, and oxygen are the elements that are present in the carbohydrate through reactants named carbon dioxide and water.

Review the Background Information and answer the questions: What is the difference between microevolution and macroevolution? Fill in the blanks: Godfrey Hardy and Wilhelm Weinberg independently derived mathematical descriptions of the relation between allele proportions and genotype proportions. This simple model considers _____ gene with _____ alleles, and makes the prediction the ___________________________ __________________________________________________________________________________________________________

Answers

Answer and Explanation:

Due to technical problems, you will find the complete answer and explanation in the attached files

Describe the impact of human activities on natural resources;
consider energy, mineral, forest, marine, over population and over fishing.

Answers

Answer:

As the human population has grown, the need for more land has caused an increase in the cutting down of forest lands for habitation and farming. The result has been an increase in soil erosion, an increase in species extinction from habitat loss, and a reduction of oxygen supplied by the trees, as well as lower amounts of carbon dioxide being removed from the atmosphere. Industrial and personal use of fossil fuels has dramatically increased the amount of air pollution in the atmosphere while systematically using up the supply of the non-renewable resources such as coal, oil and natural gas

Explanation: Hope this helps! ^^

Explanation:

Which of the following is one stage of the cell cycle? (3 points)

a
Cytokinesis

b
Multiplication

c
Photosynthesis

d
Respiration

Answers

Your answer would be a) cytokinesis.
Sorry if I’m wrong and I hope this helps.

Answer: Its A

Explanation:

Black holes are inviable because they don't reflect light? true or false

Answers


The gravity of a black hole is so strong that not even light can escape. Even if a bright star is shining right next to a black hole, you cannot see the black hole. Instead of reflecting the light as other objects do, the black hole just swallows the starlight forever.

Answer:

False

Explanation:

I think I hope this helps If so can u add brianlist

GIVING BRAINLIEST!!!!
What is a similarity between wind and water?

A) They are both types of non-renewable resources.
B) They are both sources of power for objects that people use.
C) They can both be polluted by pesticides and fertilizers.
D) They are both sources of oxygen for plants and animals.

Answers

Answer:

Hey i think its A  :) have a wonderful day !

Explanation:

because they both transfer soil to new places.

Wind is a type of dry deposition method. If original soil is erodable and wind exists, soil particles move via wind (sometimes it is called dust transport) and finally are deposited at final destination regions/areas.

However, water erosion occurs when rainfall or hail occurs. Along with water some soil particles (mostly finer ones) are carried away. Finally close to river mouths (delta regions) or wherever deposition is occurring (within a river canal) these soil particles are deposited.

A) They are both types of non-renewable resources: This statement is incorrect. While there are some forms of energy that are derived from non-renewable sources such as fossil fuels, wind and water are both examples of renewable resources.

How is wind generated ?

Wind is generated by the movement of air caused by differences in temperature and pressure, and water is driven by the water cycle, which is powered by the sun. Both wind and water are replenished naturally, making them sustainable sources of energy.

B) They are both sources of power for objects that people use: This statement is correct. Wind and water have both been used for centuries as sources of power to perform work. Wind has been used to power windmills for grinding grain and pumping water, while water has been used to power water wheels for milling grain, sawing wood, and generating electricity.

Today, wind turbines and hydropower plants are common examples of objects that harness the power of wind and water to generate electricity.

C) They can both be polluted by pesticides and fertilizers: This statement is partially correct. While water can certainly be polluted by pesticides and fertilizers, wind is not typically subject to the same kind of pollution. However, it is important to note that wind can carry pollutants and particulate matter, which can impact air quality and human health.

They are both sources of oxygen for plants and animals: This statement is incorrect. While water is an essential component of photosynthesis, the process by which plants produce oxygen, wind is not a direct source of oxygen.

However, wind can play an important role in the dispersal of plant seeds, which helps to facilitate plant growth and regeneration.

Learn more about wind generation at :

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