A human disease termed cardioencephalomyopathy results from a genetic change in the normal function of mitochondria. Babies who are born with the disease generally die from it. Scientists who study this disease using a bacterium known as Paracoccus denitrificans. Scientists were able to produce the same change in the bacterium’s genes that they found in the mitochondria of their human patients.


What is the BEST explanation for why scientists can use a bacterium to study this human disease?

A
Bacterial genes are very similar in structure to human genes.
B
Bacteria can be used as a model to study more complex cells.
C
The genes and chemical pathways found in bacteria are similar to those in human mitochondria.
D
The eukaryotic cells of humans share many characteristics with bacterial cells, including single stranded DNA.

Answers

Answer 1
i have no idea
but it’s definitely d
Answer 2

The eukaryotic cells of humans share many characteristics with bacterial cells, including single stranded DNA. Thus option D  is correct.

what is the structure of DNA ?

DNA is referred as deoxy ribo nucleic acid, which is a nucleic acid, with a left handed double helical structure, are the basic unit of every living cell

It carry all genetic material responsible for expression of a character of an living organism; It is made up of nitrogenous base, sugar mainly pentose sugar and phosphate.

Nitrogenous base are purine and pyrimidine such as adenine, guanine, thiamine, cytosine; Adenine can pair with thiamine by two hydrogen bond where as cytosine can pair with guanine by three hydrogen bond.

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Related Questions

What is a tree that produces cones called

Answers

Answer:

Conifers are trees that produce cones to protect their seeds.

In which atmospheric layers does temperature decrease with altitude?
I. Troposphere
II. Stratosphere
III. Mesosphere
IV. Thermosphere
V. Exosphere

plz help

Answers

The first option is the correct answer, Troposphere.

Answer:

The first option is the correct answer, Troposphere

Explanation:

Founders Education

GIVING BRAINLIEST!!

What is the best explanation of why trees are such an important resource to the environment?

A) Trees provide shade from the sun for humans and animals.
B) Trees provide oxygen for humans and animals to breathe.
C) Trees provide furniture like tables and chairs to use.
D) Trees are beautiful to look at in parks and forests.

Answers

Answer:

I'm pretty sure it's B

Explanation:

Most of them are decent reasons but B is the best.

Answer:

The answer is B. Trees provide oxygen for humans and animals to breathe.

Explanation:

Plants provide oxygen for most living things to breathe.

10 POINTS

help pls this is due in 7 minutes​

Answers

Answer:

C. The ball is Earth, the pole is the Sun, and the rope is the force of gravity.

If a hot liquid is poured into a cup, the cup will soon feel warm. How does the increase in temperature change the particles that make up the cup?

Answers

Answer:

Adding energy (heating) atoms and molecules increases their motion, resulting in an increase in temperature.

Removing energy (cooling) atoms and molecules decreases their motion, resulting in a decrease in temperature.

Energy can be added or removed from a substance through a process called conduction.

In conduction, faster-moving molecules contact slower-moving molecules and transfer energy to them.

During conduction the slower-moving molecules speed up and the faster-moving molecules slow down.

Temperature is a measure of the average kinetic energy of the atoms or molecules of a substance.

Heat is the transfer of energy from a substance at a higher temperature to a substance at a lower temperature.

Some materials are better conductors of heat than others.

Explanation:


Do you think that sharks and dolphins' similarities (body shape, fin, and flippers) are homologies or analogies

Answers

Answer:

homologous* or analogous*. You spelled them wrong :)

I believe they are homologous because they more than likely share ancestry. They are underwater animals with the same... everything pretty much.

Explanation:

What is located at the base of each semi-cirular canal made up of a cluster of hair cells in a gelatinous matrix that help the brain detect motion?
A. Ampulla
B. Maculea
C. Otoliths
D. Pinna

Answers

C. otoliths is the correct answer

What statement about childhood obesity is true?

Obesity can lead to high blood pressure.

Obesity is another word for being overweight.

Obesity is not curable.

Obesity leads to low cholesterol.

Answers

Answer:

Obesity can lead to high blood pressure.

Childhood obesity is a severe public health concern that is spreading across the country. Body mass index (BMI) at or above the 95th percentile for kids of the same age and sex is what is referred to as having it. The claims are all accurate.

Obesity can raise the chance of having high blood pressure because it alters the body in ways that enhance that risk. This includes increased blood fat levels, hormonal changes, and an increase in the creation of proteins that can narrow the blood arteries.

Overweight is sometimes referred to as obesity. Body mass index (BMI) at or above the 95th percentile for children is the criterion for this condition.

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What kind of diagram shows the probability of traits in an offspring

Answers

Punnet square I think

asap help!! i’ll give brainlist and 50 points! ( if you answer them all )

Answers

Answer:

D

B

A

A

Explanation:

I hope this helps :)

Answer:

1 - D

2 - B

3 - A

4 - A

Explanation:

Hello There!

D=Distance

T=Time

S=Speed

For the first one we are given the speed and the time and we need to find the distance

To do so we multiply the two together( the two meaning the speed and the time)

They run 20 m per second and

if they run for 40 second

(20*40=800)

they will run for a total of 800m therefore the answer to the first one is D

for the second one we are given the distance and the time and we need to find the speed.

Looking at the formula chart we can find the speed by dividing the distance over the time

so speed = 80/5

80/5=16 so the speed is 16m/s (B)

For the third one we are given the distance and the time and we need to find the speed

Once again we can find the speed by dividing the distance over time

20/5=4 so the bunny hops 4m/s

For the last one we are given the speed and the distance and we need to find the time it took to get to the associated distance

another way we can find the time is by dividing the given speed by the distance

so time = 1500/250

1500/250=6 so it will take the space ship 6 seconds to reach a distance of 1500m

please answer that for science8-periodic table..i need now please answer it​

Answers

Answer:

︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎

︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎.

Are all molecules compounds? Why or why not?

Answers

Answer:

While all compounds are molecules, not all molecules are compounds. A molecule is formed when two or more atoms of an element chemically join together.

Explanation:

️What's Photosynthesis ?️​

Answers

☁️ Answer ☁️

Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide.

Hope it helps.

Have a nice day noona!~  ̄▽ ̄

Answer:

the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product is photosynthesis.

PLEASE HELP, WILL MARK BRAINLEST

Katie designed an experiment using a paint roller pan, sand, and water. The steps of the experiment are listed below.

Put 3 inches of moist sand on a paint roller pan.
Make a beach by scooping the sand towards the higher portion of the pan.
Pour water into the deeper end of the pan.
Tap on the water gently for 2 minutes to create waves.
Observe how the sand is displaced by the waves.
Katie’s experiment most likely represents the interactions between the
ocean and geosphere
geosphere and biosphere
atmosphere and biosphere
cryosphere and ocean

Answers

ocean and geosphere

What is the primary function of leaves? *

A. Gas Exchange
B. Movement of Water
C. Piercing the Ground
D. Cell Respiration

Answers

D) cell respiration


Photosynthesis is the primary funtion of the leaves.
Explanation:
Photosynthesis is defined as the chemical process of converting light energy into chemical energy in a form of food or sugar. Leaves contain most of the chloroplasts in plants that are responsible in capturing light for photosynthesis to occur.
Leaves are naturally green to serve their purpose. This green color is caused by the reflection of the green portion of the visible light spectrum by the green coloring pigment, chlorophyll. Chlorophyll, that is contained in chloroplasts, captures certain wavelengths of light, as energy to initiate photosynthesis. As a result, we get food from plants.

2. (2 points) The white rabbit runs 200 meters in 45 seconds, what is the average
speed of the rabbit? Show your work

Answers

Answer:

4.44 m/s

Explanation:

Speed is in meters per second, to find the average speed divide the amount travelled by the rabbit by the amount of time the rabbit travelled: 200m/45s = 4.4444444 m/s = 4.44 m/s

which type of potential energy is from working against gravity

Answers

Answer:

Gravitational Potential Energy

Explanation:

The general expression for gravitational potential energy arises from the law of gravity and is equal to the work done against gravity to bring a mass to a given point in space.

Which statement accurately compares a radio wave and an infrared wave? *

A radio wave has a longer wavelength and a lower frequency than an infrared wave

A radio wave has a shorter wavelength and a lower frequency than an infrared wave

A radio wave has a longer wavelength and a higher frequency than an infrared wave

A radio wave has a shorter wavelength and a higher frequency than an infrared way

Answers

The first option is correct.

A radio wave has a longer wavelength and a lower frequency than an infrared wave.

What happens to individuals with traits that are better adapted to the environment?

Answers

Evolution occurs by natural selection, the process by which organisms with traits that better enable them to adapt to their environment will tend to survive and reproduce in greater numbers. Evolution is due to differences in the survival and reproduction of individuals within a population.

The insertion of a therapeutic gene into chromosomes at a site near a proto-oncogene unexpectedly caused which
disease in boys with an X-linked genetic disorder?
Autoimmune diseases
Fungal diseases
Leukemia
Alzheimer's disease
AIDS

Answers

Answer:

Identify speciment A without reason

HELP ME PLEASE I BEG

1. Explain how the energy flows within living systems. Include the
following concepts:
• 10% Energy Transfer
• Food Web
• Food chain
(3 points)
2. Explain how energy is transformed through the process of
photosynthesis. (2 points)

Answers

Answer:

Explanation:

energy flows from the Sun to producers and then to consumers. The path is linear as the energy present in one step is transferred to the next. You can find specific examples of this pathway in an ecosystem. Energy may be lost in living systems as it flows through them.

Photosynthesis is  the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

10% energy transfer is the law of energy transfer in which about 10% of the energy is transferred to the next trophic level in an ecosystem.

What is the energy flow in an ecosystem?

Energy flow is the flow of energy which occurs through the living things within an ecosystem. All the living organisms in an ecosystem can be organized into different groups such as producers and consumers, and the producers and consumers can be further organized into a proper food chain. Each level within a food chain is called as trophic level.

1. 10% energy transfer is the law which states that 10% of the total energy is transferred to the next trophic level and 90% is lost into the atmosphere.

Food web is a network of interlinked food chains. In this different organisms are produce at each trophic level which provides the organism with different options for their food.

Food chain is a linear network of different organisms at different trophic levels in an ecosystem.

2. Photosynthesis is the process of energy transformation in which light energy in the form of sunlight is transformed into chemical energy in the form of chemical bonds present in the carbohydrate molecules.

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In 1-2 sentences, explain why mutations can be beneficial to an organism.

Answers

Answer:

Some mutations can change genetic variation in a way where an organism can adapt to the surrounding environment. Mutations created gills, which allow fish to breath underwater. Mutations allowed giraffes to reach leaves higher up on trees so they can get food. Mutations also allowed humans to be able to adapt to any environment and situation and continue growing.

Explanation: Brainliest is always appreciated

Mutations are random changes in the DNA sequence of an organism's genome. Mutations can be beneficial to an organism because they can lead to genetic variation, which can allow for natural selection to occur.

What is mutation?

Mutation is a process that refers to a change in the genetic material (DNA) of an organism. The genetic material carries the information that determines an organism's characteristics and traits, like eye color, hair color, or susceptibility to certain diseases. Mutations can happen naturally, or they can be induced by various factors such as exposure to radiation, chemicals, or viruses.

Mutations can affect a single base pair of DNA, a larger segment of DNA, or an entire chromosome. They can be classified in many ways, but one of the most common ways is by their effect on the genetic material.

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Water travels down in a
waterfall at a rate of 15
feet per second.
I

Answers

Answer:

ok be more specific and I will answer it in the comments

I can't help only knowing that water goes at 15 ft per second

Explanation:

Explain how cellular respiration and photosynthesis are opposite processes?

Answers

Answer: Cellular Respiration and Photosynthesis are almost opposite processes because photosynthesis removes carbon dioxide from the atmosphere while cellular respiration puts back carbon dioxide. Cellular respiration uses oxygen and has it's waste product of carbon dioxide (CO2).

By favoring some alleles over others, natural selection can lead to survival advantages for some organisms. Which of the following is NOT an adaptation as a result of natural selection?

a
A certain snake species has many members of various colors.
b
A moth's wing markings help it blend into the forest habitat.
c
A bird that dives into water to hunt fish has webbed feet.
d
A bird has a certain beak size that allows it to eat seeds of various sizes.

Answers

Answer:

The Answer is A

Explanation:

HELP! What are some of the reasons Humans depend on the ocean? - How do humans impact the ocean? - Since we humans depend on the ocean a lot, what should we do to take better care of our ocean?

Answers

For an ecosystem that covers 70 percent of the planet, oceans get no respect.

All they’ve done is feed us, provide most of the oxygen we breathe, and protect us from ourselves: Were it not for the oceans, climate change would have already made Earth uninhabitable.

How?

The oceans have gamely absorbed more than 90 percent of the warming created by humans since the 1970s, a 2016 report found. Had that heat gone into the atmosphere, global average temperatures would have jumped by almost 56 degrees Celsius (100 degrees Fahrenheit).

But as vast as the seas are, there is a limit to how much they can absorb, and they are beginning to show it. Today, on World Oceans Day, Human Nature examines some of the ways that climate change affects life in the oceans — and what that means for humanity.

2. What was the instrumentation Franklin used to determine the structure of DNA?
Multiple choice question.
A)X-ray diffraction
B)spectroscopy
C)electron diffraction
D)chromatography

Answers

Answer:

D)chromatography

Explanation:

cause that you get the fingerprints

plz help ;-; I cant fail this

Answers

Answer:

A. 11,400 years old

Explanation: because the people that have smaller than my day

What molecule determines your eye color, enzyme production, and body structure?

Answers

Answer:

Deoxyribonucleic acid

Explanation:

Determine whether each phrase describes the reproduction of polyps, medusae, or both.

usually reproduce asexually, but can reproduce sexually

reproduce in two stages; the first is sexual and the second is asexual

are able to reproduce sexually by releasing sperm and eggs

Answers

Answer:

1.) Polyps only

2.) Medusae Only

3.) Both

Explanation:

I did it on Edg and the other response is not even a response, so I decided to help you guys. You're welcome.

Answer:

A B C

Explanation:

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The system shown isOinconsistentequivalentconsistent What's the difference between Pagan and Christianity traditions SOLVE FOR X!!(will mark brainliest) Plsss hurryyyyyy9-1-1 dispatchers can provide valuable help on the phone such as how to preform first aid how to do CPR and how to use an ______________Group of answer choicesDEAEDAADEAED Solve to figure out what Y is A movie theater sells popcorn in bags of different sizes. The table shows the volume of popcorn and the price of the bag complete one column of the table with prices where popcorn is priced..... and to be continue x-2(x+4)=22How do I do this PLEASE HELP ME! Which rule explains why this triangle is congruent?( A) SAS (B).ASA ( C.) AAS (D) triangles can not be proven to be congruent. The atmosphere is the air surrounding Earth and is made up of 78% _____, 21% oxygen, and other trace gases. Please help this is urgent!! Write 40673 to the nearest thousand. Q. In which form(i) oxygen is carried to the tissues ?(ii) CO2 moves out of the blood ?It is short answer question..I'll appreciate! HELP ME ASAP PLZZ 21 POINTS How many PAIRS of chromosomes are in a human egg cell? a researcher read a 12 page article in 30 mintues. on average, how much time did the researcher spend reading each page of the article? (1 minute = 60 seconds) OF CHAPTER REVIEW QUESTIONSiple Choice Questions. The principal site of protein synthesis in a cell isa. Endoplasmic reticulumC.Ribosomesb. Nucleusd. Golgi - Apparatusa. Which best proves why the expressions 4 (x + 3) + 2 x and 6 (x + 2) must be equivalent expressions? When x = 3, both expressions have a value of 30. When x = 5, both expressions have a value of 42. Which answer shows the number that point B represents on the graph? A) 2 1 4 B) 2 1 3 C) 2 1 2 D) 2 3 4 > 11 58 + 12 + 34 = ?? The return of the Jewish people to Jerusalem under the rule of the Persian King Cyrus the Great shows that the Persians?A) valued democracy.B) had an ambitious program of building public works.C) adopted Judaism as the official religion.D) tolerated diversity in their empire. Mariel says that a jewelry box that is 3 inches high, 4 1/2 inches wide, and 5 inches long has a volume of 67 1/2 inches. Katie says that answer is not quite correct. What is the error in Mariel's answer?