watson and crick were the first to suggest that dna is

Answers

Answer 1

Answer:

they suggested that DNA could make exact copies of itself

Explanation:

The two had shown that in DNA, form is function: the double-stranded molecule could both produce exact copies of itself and carry genetic instructions.Watson and Crick developed their ideas about genetic replication in a second article in Nature.


Related Questions

carnivores such as a lion are able to kill their prey because of powerful jaw muscles. we humans do not need this power in our jaw muscles. which muscle is more powerful in the carnivore than the human?

Answers

The masseter muscle is more powerful in the carnivore than in humans as they functions vary.

The masseter muscle is present in carnivores such as lion, tiger etc. This jaw muscle help these animals to kill preys as it exerts a biting force of about 25kg when used on them.

They are important muscles for chewing. The muscle is positioned in a  superficial quadrangular manner as a result of it originating from the zygomatic arch and they are also primarily responsible for the elevation and the protraction of the mandibles.

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which of the following are electron carriers in many important cellular processes?

Answers

Answer:

1. B. NADH

2. B. hydrolysis of ATP.

3. C. ATP is produced from protein.

4. Option C.

5. Option C. Oxygen

6. Option D. Glucose.

7. Carbondioxide.

8. Metabolism.

9. Electron carriers.

10. Electrons.

Explanation:

Cellular respiration is a series of metabolic processes that break down sugars or food to produce energy. ATP is the cellular energy produced during cellular respiration. Cellular respiration requires oxygen which is also called aerobic respiration. There are stages of cellular respiration and they include; glycolysis, pyruvate oxidation, Krebs cycle or citric acid and oxidative phosphorylation. During cellular respiration, glucose is broken down into carbondioxide and water. Along the way, ATP is produced from the processes that transform glucose.

Explanation:

Please hurry this is over due!

If you are correct I will give you all the points I possibly can and brainiest!

Which of these is NOT true about the outer core?

A) It is mostly made up of iron and nickel.

B) It is mostly liquid.

C) It has a higher temperature than the inner core.

D) Atoms within it form a powerful magnetic field.

Answers

Answer:

C. It has a higher temperature than the inner core

Explanation:

The inner core is higher in temperature then the outer core.

El ARNm inmaduro de un gen eucarionte presenta 5 intrones. El tamaño total de los exones es de 3000 bp (pares de bases). ¿Cuántos exones tiene este gen? ¿Cuántos aminoácidos tiene la proteína codificada por este gen?

Answers

Answer:

I

Explanation:

tree

Which of the following refers to the just-noticeable difference between two stimuli?

A) Absolute threshold
B) Sensation
C) Perception
D) Difference threshold
E) Subliminal stimulus

Answers

Difference threshold refers to the just-noticeable difference between two stimuli (Option D). This difference represents the minimum level of stimulation that can be detected by an individual at least half the time.

An absolute threshold can be defined as the lowest level of a stimulus which can be detected by a person at least half the time.

In psychology, an absolute threshold is defined as the minimal amount of energy required to achieve the stimulation of the sensory receptors.

Stimuli from the surrounding environment include touch, light, sound, etc.

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Is it possible to run a farm and grow crops using fertilizers without negatively impacting the local watershed?

helpppppppp pleaaasse

Answers

After an excessive amount of time no, you will end up producing eutrophication, the substances in it boost the the growth of algae in water and decreasing the level of oxygen for aquatic life.

which type of muscle tissue is the only one that can respond to voluntary nervous stimulation in most people?

Answers

The type of muscle tissue that can respond to voluntary nervous stimulation is skeletal muscle. This type of muscle is the most common of the three types of muscle (skeletal, cardiac, and smooth muscle) in the body.

Skeletal muscles are a voluntary type of muscle attached to bones of the skeleton by tendons.

These muscles (skeletal muscles) are voluntary because they are activated in response to information received from the somatic nervous system.

Skeletal muscles comprise approximately 30-40% of the total body mass.

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_____ can cause a cell to shrink due to a lack of water being able to enter the cell.

Answers

Answer:

Hypertonic Solution

Explanation:

Solution outside the cell is in has much higher concentration of ions than inside the cell. Due to osmosis, water leaves the cell.

The seasons Earth experiences result from —


A. the Earth rotating on its axis while it revolves around the Sun.

B. the Earth being tilted on its axis while it revolves around the Sun.

C. the Sun moving near the Earth.

D. the Earth moving near the Sun.

Answers

Answer:

B. the Earth being tilted on its axis while it revolves around the Sun.

Answer:

Seasons occur because Earth is tilted on its axis relative to the orbital plane, the invisible, flat disc where most objects in the solar system orbit the sun. ... In June, when the Northern Hemisphere is tilted toward the sun, the sun's rays hit it for a greater part of the day than in winter.

Explanation:

your answer is B.

Which of the following is NOT one of the 4 macromolecules?

Group of answer choices

Lipids

Acids

Proteins

Carbohydrates

Nucleic Acids

Which does a polymer most closely resemble?


Group of answer choices

link in a chain

chain

Molecules made from units of identical compounds linked together by bonds are called ______________.

Group of answer choices

elements

polymers

atoms

nucleic acids

When a bond is broken in a large biomolecule using water, it is called _____________.

Group of answer choices

Condensation reaction

Hydrolysis

Dehydration synthesis

Hydrolysis is an example of _____________.

Group of answer choices

anabolism

catabolism

Creating larger molecules by building on smaller molecules and releasing a water is called _______________.

Group of answer choices

biochemistry

hydrolysis

dehydration synthesis

Dehydration synthesis is an example of _____________.

Group of answer choices

Catabolism

Anabolism

Answers

Answer:

Acids

Chain that is the answer

Hope this helps Mark me as Brainielist

Explanation:

Which brain change does the following scenario illustrate?

Answers

Answer:

what scenario?

Explanation:

if you want people to help you with your questions then you need to put the actual scenario of the question?

why is the observation that one hormone may bind to more than one type of receptor important?

Answers

This is one reason that the same hormone can trigger different effects in different tissues. For example, epinephrine binds to four different receptors in different tissues-- eliciting a different response from each.

penicillin is harmful for other fungies and fungal diseases?​

Answers

Answer:

The antibacterial effect of penicillin was discovered by Alexander Fleming in 1929. He noted that a fungal colony had grown as a contaminant on an agar plate streaked with the bacterium Staphylococcus aureus, and that the bacterial colonies around the fungus were transparent, because their cells were lysing.

Explanation:

the packaging and distribution center of the cell is the

Answers

Answer:

golgi apparatus

Explanation:

how are relative time and absolute time applied to studying the geologic time scale?

Answers

Answer:

Relative time is the physical subdivision of the rocks found in the Earth's geology and the time and order of events they represent. Absolute time is the measurement taken from the same rocks to determine the amount of time that has expired.


Kids' behaviors are influenced by which of the following: (Check all that apply)
hormones
social influences
genes
parental influence

Answers

Answer:

parental influence

Ok Its coorrect hope

All of the options  hormones, social influences, genes and parental influence can influence a child's behavior.

What influences child's behavior?

Hormones can play a role in mood and emotional regulation, which can affect behavior. Social influences, such as the behavior of peers and cultural expectations, can also influence a child's behavior. Genes can also play a role in determining certain characteristics and behaviors.

Finally, parental influence, including the way that parents model behavior and teach and discipline their children, can also affect a child's behavior.

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Define Photosynthesis and include chemical equation

pls help I’m not sure how to phrase it!!

Answers

Answer:

Photosynthesis is the process whereas plants convert light energy into chemical energy, through cellular respiration. That can later fuel the organism's activity.

Equation: 6CO2 + 6H2O → C6H12O6 + 6O2

Explanation:

Answer:

Hey there,

Photosynthesis means,

The process of using carbon dioxide and water as raw materials to produce food with the help of light energy in the chlorophyll areas of the plant.

The chemical equation is attached to the picture.

Hope this helps you.

Let me know if you have any other questions :-)

Name a biotic factor in the room you are in right now.Name a biotic factor in the room you are in right now.

Answers

Answer:

Home plant. dogs. roses. wooden chair

Explanation:

biotic is anything that's living including plants and wood(trees)

Answer:

answer above is correct ! got it right

Explanation:

a group of similar cells that perform a common function

Answers

Answer:

Tissue

Tissue is the group of similar cells that are common in origin to perform particular function. Tissue system is the group of similar tissues that are common in origin and perform particular function. Organs are made up of tissue system.

Explanation:

Apparatus and materials to determine if the population size of the fish in the pond is dependent or independent on the temperature of water

Answers

Fishing net, thermometer fishing rod

True or False?
1.Water moves through watersheds to rivers, lakes and eventually oceans.
2.Wetlands cannot filter pollution from freshwater systems.
3.Pollution can move into underground aquifers used for drinking water.
4.Ocean pollution is less harmful because it is mixed with a lot of water.
5.Ocean salinity is the same in all locations.

Answers

Answer:

True

False

True

False

False

Explanation:

now you can give the other person brainliest :D

True

False

True

False

False

       

Pollution

The stream runoff from small watersheds feeds into larger streams and rivers. The sun evaporates some water back into the air as it inflows into streams, rivers, and oceans.Wetlands' highly developed root systems hold the soil in place and filter pollutants, naturally improving water quality (including water that is eventually used for drinking).Contaminants present in these surface waters can contribute to contamination of the groundwater system. Some wells rely on artificial recharge to increase the amount of water infiltrating an aquifer, often using water from storm runoff, irrigation, industrial processes, or treated sewage.Heavy metals and other contaminants can accumulate in seafood, making it harmful for humans to consume. Microplastics can be ingested by fish and other species that filter their food out of the water.The salinity of the ocean varies from place to place, especially at the surface. Much of the ocean has salinity between 34 ppt and 36 ppt, but there are places that tend to be higher or lower.

How is pollution caused?

Pollution is caused by solid and liquid particles and certain gases that are suspended in the air. These particles and gases can come from car and truck exhaust, factories, dust, pollen, mold spores, volcanoes, and wildfires.

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how many dna molecules make up an unreplicated chromosome?

Answers

Answer: 1, only one, it's a single DNA figure

Green plants,unlike animals can:
A)make their own food
B)avoid being eaten by other organisms
C) get energy from the other organisms
D) release energy stored in their food

Answers

Answer:

dl;wkd;awlk;lkd;lskdoeok;dhjjf;efoowooo

Explanation:

Answer:

A make their own food by photosynthesis.

Explanation:

What is the percentage of recorded pulse rate (62-69)

Answers

Answer:

A normal resting heart rate can range anywhere from 40 to 100 beats per minute. Below is a chart relating resting heart rate and fitness level.

Explanation:

Answer:

40 to 100 beats per minute

Explanation:

Health class in college is how I know

How does ATP store energy and how is it released for cell processes

Answers

Answer:

Explanation:

In a process called cellular respiration, chemical energy in food is converted into chemical energy that the cell can use, and stores it in molecules of ATP. ... When the cell needs energy to do work, ATP loses its 3rd phosphate group, releasing energy stored in the bond that the cell can use to do work

Organs such as the heart serve e function of working together as components of-

Answers

Answer:

the circulatory system

Explanation:

for instance your heart, your lungs,your blood, and your blood vessels all work together as a team.

11. Write the complementary sequence to following DNA strand:
A A T T C G C C G GT ATT A G A C GTT

Answers

Answer: T T A A G C G G C CA TAA T C T G CTT

Explanation: The A's always pair with T's.    The G's always pair with C's.

Imagine that you are writing a weather diary. Scientists will read the diary in 500 years. Write a detailed report to describe the weather this year. Describe how the weather affected the area where you live. Describe how it might affect areas around the world.

Answers

Winter ❄️

Explanation:

It had been really cold which could affect our health. We will be most likely to catch a cold . Catching a cold is not a really good feeling.

Explain how potential energy is affected by:
A) Mass:


B) Height:

Answers

Answer:

A. Mass

Explanation:

The amount of gravitational potential energy an object has depends on its height and mass. The heavier the object and the higher it is above the ground, the more gravitational potential energy it holds. Gravitational potential energy increases as weight and height increases.

Answer:

A) Mass :

• Potential energy is directly proportional to mass, if mass increases, also potential energy increases and the reverse is true.

B) Height :

• Potential energy is directly proportional to height, if height increases, also potential energy increases and the reverse is true.

Explanation:

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PLEASE HELP I KNOW THIS IS A LOT TO DO BUT IM GIVING ALL MY POINTS!!!

Design your own experiment to test how your body changes during exercise. You may develop this new experiment to test the changes in heart rate, breathing rate, or any other parameter occurring during exercise.

First, formulate a question to answer through scientific investigation. Keep in mind that you should be able to answer your question with measurable data. Write your question here.

Write your plan for the experiment. Note the dependent and independent variables. To ensure that your results test only the dependent variable, consider how you will control outside factors.

Write down your prediction about the result of the experiment.

Carry out your experiment and record your readings in the form of a table.

Based on the results shown in the graph, write a conclusion paragraph that answers the following questions:

Did you accurately predict the results?
What can you conclude from the results?
Can you relate your results to the body’s regulation of homeostasis?
Were there any limitations on your experiment?
How could you improve the accuracy of your experiment if time, access to resources, and cost were not issues?

Answers

Answer:

1. Check your pulse before doing the stair master. Do 2 minute intervals on the stair master then check your heart rate again. What is the difference between your heart rate before and your heart rate now?

2. Going up the stairs for 2 minutes and looking at heart rate differences is the expierement. This should last about 10 minutes. An oximeter needs to be used for best results on the heart rate. The excercise should be as consistant as it can be.

3. Your heart rate should keep increasing until you reach your max heart rate

4.  2: 72

    4: 78

    6: 82

    8: 100

    10: 118

5. just copy numbers into graph

6. My predictions were pretty accurate. Your heart rate should gradually rise until you hit your max heart rate. The body needs more oxygen to maintain homeostasis which leads to increased heart rate. I didn't track how fast we were going every 2 minutes (I didn't stay at the same speed as I did in the beginning). Not changing the speed as time goes on and monitering the speed. 

Explanation:

This is all in my own words but you can still rephrase on quillbot. Happy cheating :)

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