What are the two fundamental roles of dna?
a. to carry out the genetic instructions for protein synthesis, and replicate itself before cell division.
b. to carry out the orders for protein synthesis issued by rna, and to control genetic expression by shutting down genes or altering their expression.
c. to carry out and direct instructions for protein synthesis.
d. to direct protein synthesis, and replicate itself before cell division?

Answers

Answer 1
the two fundamental roles are To direct protein synthesis, and replicate itself before cell division. To make the proteins, our body needed to obtain the required information from the DNA. So it pretty much acted as the main controller in protein synthesis.
During cell division,  DNA will split so the Children could obtain half of their fathers DNA and half of their mother's DNA

Related Questions

It is ok to temporarily remove my safety glasses/goggles while in the laboratory to clean them.
a. True
b. False

Answers

b. False, if you really need to clean them go out of the lab so you don't get chemicals in your eyes, and for your safety

Which is the number of characteristic that define all living thing?

Answers

1. made up of cells
2. obtain and use energy
3. grow and develop
4. reproduce
5. respond to environment and stimuli
6. adapt to environment

What is the word for- all the organisms living in an area and the nonliving features of the environment?

Answers

ecosystem is the only answer

When providing proof of life what information should you include?

Answers

One of the information to provide is stating the condition that you are in specifically saying whether you’ve sustained some injuries or are you suffering from certain illness. Also you need to provide your name and the name of other people you are with. Lastly you should be able to give proof of the latest date that you could provide which could be done through getting the latest issue of newspaper. 

Final answer:

Providing proof of life usually includes showing ID, presenting a recent photograph or video, offering physical evidence like fingerprints or DNA, and sometimes involves direct communication with authorities.

Explanation:

When providing proof of life, particularly in legal situations, there are several types of information you should include. These may involve presenting an ID to verify identity, such as a passport or driver's license. Additionally, a recent photograph or video of the person in question is commonly required. Physical evidence, such as fingerprints or DNA samples, could also be used. In certain cases, direct communication between the subject in question and verification authorities may also be required.

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Which kind of molecule does transcription produce?

Answers

the transcription produces ribonucleic acid molecules

The _______ is the region of your brain where thought, vision, hearing, touch, and motion are processed.

Answers

The cerebrum is the region of your brain where thought, vision, hearing, touch, and motion are processes. It's the largest part of the brain and contains the right and left hemispheres. The answer is cerebrum.

The cerebral cortex is the region of your brain where thought, vision, hearing, touch, and motion are processed.

The cerebral cortex is divided into four main lobes: the frontal lobe, which is responsible for reasoning, planning, and movement; the parietal lobe, which processes sensory information related to touch, temperature, and pain; the occipital lobe, dedicated to visual processing; and the temporal lobe, which is involved in hearing, language comprehension, and memory.

Each lobe contains specialized areas that work together to integrate sensory information and enable complex behaviors. The cerebral cortex is essential for interpreting the world around us, allowing for conscious thought and interaction with our environment.

which statement best explains why electrical signals in the body are often based on ions?

A.) Ions contain a single atom.

B.) Ions can gain electrons.

C.) Ionic bonds are very strong.

D.) Ions are charged particles.

Answers

Hello!

Ions are charged particles, that explains why they have either a positive or negative charge. Since electrical signals contain charges, that also explains why they are often based on ions. Your answer would be D!

You can feel free to let me know if you have any questions regarding this!
Thanks!

- TetraFish

D.) Ions are charged particles.

Professor Binkie has been studying how playing video games affects a student's performance on the SAT. Using 5,000 students, the Professor is monitoring the amount of time they play the video games and how they score on the test. Which of these would be a variable that Professor Binkie would be unable to control during his research? A) total number of students B) numbers of boys and girls C) what date they will take the SAT D) how hard the students try on the SAT

Answers

D, how hard the students try on the SAT seems the most reasonable.

Answer: Option D

Explanation:

The variable that can be controlled is known as controlled variable. But everything is not under control while performing an experiment.

The variable that can be controlled during the time of experiment is number of boys and the number of girls, the SAT that they will choose and total number of students.

The efforts that the students will put on SAT cannot be controlled. This is a factor which can hamper the result of the experiment.

So, option D is the correct answer.

Which type of thermometer has a constriction (narrowed passage) in the bore of the glass tube?

Answers

A clinical thermometer has a constriction whereas a laboratory thermometer does not. This is because a clinical thermometer needs to hold the temperature of the patient it was recently removed from long enough for the medical provider to read and record it. A laboratory thermometer however needs to change immediately with the temperature around it so that clinical tests can be recorded more accurately.

The skeletal muscles that contract and shorten to move the bones form the ________ system.

Answers

The skeletal muscles that contract and shorten to move the bones form the muscular system; the muscular system enables movement through contraction and relaxation of the muscles, this moves the skeletal system which is the body's support system to protect the organs and structure of the body.

A food handler finds that cooked chili was left out on the counter overnight. what should the food worker do with the chili?

Answers

The food handler should check the appearance of the chili, such as the appearance and the smell. If the appearance look like it's out of the ordinary and the smell is not the smell it used to have, it is best to dispose of the food as this will indicate that the food has been spoiled. But if it still looks the same and there are no changes with the smell, it is best to heat the food in the right temperature to kill unwanted bacteria and to at least preserve the food.

the human genome includes all the DNA found in all of our chromosomes. Rank these parts of the human genome form highest percentage of our total DNA to lowest percentage of our total DNA: (a) DNA that is identical in all humans, (b) DNA that is not identical in all humans, (c) DNA that contains instructions for making proteins, (d) repeat sequences.

Answers

Option B, The human genome is the genome ie the DNA sequence contained in 23 pairs of chromosomes is not identical in all humans, the 23 pairs, 22 are autosomal chromosomes and a sex-determining pair (two female Xen chromosomes, and an X and Y in males). The DNA sequence forming the human genome contains the coded information necessary for the highly coordinated and environmentally adaptable expression of the human proteome, ie, of the human proteins as a whole.

The patient has had mild joint pain for the past three years without any increase in severity. this means that her symptoms are

Answers

If there is a patient that has persistent pain, illness, or condition that has been present for a long period of time, consistently recurring again and again, or if it is difficult to get rid of. Then the patient has whats known as a chronic condition. - so her symptoms are "chronic".

When you abduct your arm, movement at the sternoclavicular joint includes __________?

Answers

vertical planes.

The sternoclavicular joint includes movement in three diffferent planes that can be anteroposterior, vertical and rotational. When the arm is abducted, moved side way away from the body, the sternoclavicular joint moves mainly in a vertical plane.

Fraternal twins are no more similar genetically than any other sibling pair.
a. True
b. False

Answers

The answer to this question would be: True

Fraternal twins are made from 2 different eggs and fertilized by two different sperm. That makes them just like 2 siblings since the genetic in their egg and sperm is different, not same. This can happen if there is two egg released by the womb at the same time.

What makes proteins the ideal type of compounds to act as enzymes?

Answers

Due to their ability to react with other chemical structures and give off a great deal of energy when utilized properly, proteins provide the most efficient and effective vehicles to act as enzymes given their ability to adapt and provide the cell with what it needs.

Answer:

Their ability to react with other chemical structures and give off energy.

Explanation:

A snack bar contains about 17 grams of carbohydrates, 1 gram of fat, and 1 gram of protein. how many kcals does it contain?

Answers

The total number of kilo calories in the snack bar is 81 calories.

What do you understand by the term "Calories"?

In nutrition, calories discuss the energy humans get from the foods and drinks they consume, and the energy they use in bodily activity. Hence, a calorie is a unit of energy.

As per the information,

17 grams of carbohydrates have 4 calories, 1 gram of fat has 9 calories and 1 gram of protein has 4 calories.

The total number of kcals that the snack bar contains is equal to:

(17x4)+ (1x9)+(1x4) = 81 calories.

Therefore, a snack bar contains a total of 81 calories.

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List three effects of the greenhouse effect

Answers

more drought and flooding, less ice and snow, rising sea levels

Which cervical changes are observed during pregnancy? select all that apply?

Answers

The cervical changes in pregnancy are the following;

-          Cervix will elongate

-          The cervix will soften during the woman’s pregnancy.

-          When the pregnant woman is about to go on a labor, the cervix will likely shorten and for the baby’s passage, the cervix will dilate.

One difference between plant cells and animal cells is that only plant cells have peroxisomes. plant cells lack a cytoskeleton. only animal cells contain centrio

Answers

True.....................

What carries the instructions for protein synthesis from the dna molecule located in the nucleus of a cell into the cytoplasm?

Answers

I'm pretty sure it's mRNA

When eating at a fast food restaurant what should you not do?

Answers

I would say to not eat any processed meat.

Humans rely on the lithosphere for natural resources. The lithosphere is the thin, solid layer of the Earth, which comprises the crust and upper mantle. Humans compete with other humans and with other living things for the limited resources of the lithosphere. As humans we must continually commit to being good stewards of the lithosphere, so that the environment will provide natural resources and continue to provide a healthy place for human life.
For Humans to be good stewards of the lithosphere, it is important that we protect Earth’s soil because poor soil management can result in a process by which soil and rock are removed from the Earth's surface by wind or water flow, and then transported and deposited in other locations. What is the term used to describe this process?
A) Soil erosion
Reactivate
B) fertilization
C) Desertification
D) Nutrient depletion

Answers

A) Soil erosion.
Soil erosion is the process of dislocating the upper layer of the earth's soil. The most important agents are the wind and water. Each year there is significant amounts of soil that's lost and most of the times in an unnoticed way.
Final answer:

The term used to describe the process is soil erosion.

Explanation:

The term used to describe the process by which soil and rock are removed from the Earth's surface by wind or water flow, and then transported and deposited in other locations is soil erosion.

What part of the eukaryotic cell acts as a barrier that surrounds the cell?

Answers

Cell membrane and cell wall are on the outside of a plant cell. On the other hand, an animal cell only has a cell membrane.

Determining the types of fats people should consume to lower their risk of heart disease based on their genetic makeup is an example of what field of study?

Answers

nutritional genomics
epidemiological research
observational research,
Human Genome Project

Reaching down to pet your dog is a voluntary action communicated to your muscles via the _____ nervous system.

Answers

Reaching ...............via the SOMATIC nervous system.
The somatic nervous system is the part of the peripheral nervous system which is associated with associated with voluntary control of body parts.
The major functions of the somatic nervous system is voluntary movement of muscles and organs.

Although the majority of cellular dna exists in the cell nucleus, part of the cell dna is located in the:

Answers

recall that DNA contains information required to bulid cellular protiens in eukaryotic. cells membrane that surrounds the nucleaus commoly called the nuclear envelope partitions this DNA from the cells protien synthesis machinery [which is located in the cytoplasm] i did that question in a test

The photosynthetic dinoflagellates called zooxanthellae have a _______________ relationship with the corals in which they live.

Answers

mutualistic relationship - both partners benefit from the relationship

Some major concerns of earth science are _____. pollution, mineral location, and new energy sources space exploration and national defense microbiology advancements and cloning procedures

Answers

the answer would be pollution, mineral location, and new energy sources space

Some major concerns of earth science are pollution, mineral location, and new energy sources.

What is pollution?

Pollution is defined as the presence of any substance that endangers the health of people, animals, and plant life in air, water, soil, or food.  The majority of these pollutants are released by human activity, including burning fossil fuels, driving, and emissions from industry and agriculture. The main causes of man-made air pollution include vehicle emissions, fuel oils and natural gas used to heat homes, waste products from manufacturing and power generation, mainly from coal-fired power plants, and odors from chemical manufacturing.

New energy source is defined as the energy that comes from renewable resources that replenish themselves more quickly than they are used up. Renewable energy is created from naturally replenishing and endless sources, such as the sun and wind. Transportation, space and water heating and cooling, and electricity generation are all possible with renewable energy.

Thus, some major concerns of earth science are pollution, mineral location, and new energy sources.

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Which structure is like a locked door that only certain neurotransmitter keys can unlock?

Answers

 The "Receptor site" is the answer.
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The blooms of anthurium flowers tend to look like Which of the following is the inverse of y=3^x Please hurryA. y= 1/3^xB. y=log3xC. y=(1/3)^xD. y=log1/3x Decribe the story that anthropologists think bones and tool they have discovered reveal about prehistory CAN SOMEONE READ OVER THIS EXPERIMENT FOR BIOLOGY AND TELL ME IF IT MAKES SENSE....?For this experiment with both slides they were viewed at 400x total magnification with a slightly zoomed in on the coarse adjustment (however I totally forgot to write these down.) The onion root looked slightly like a brick wall with tiny dots inside of it (the nuclei). The cell walls were not clear however the nuclei was very clear...Prophase: The chromosomes are condence and become visable for the very first time during this cycle. The fibers begin to form and the membrane begins to disintegrate.Metaphase: The fibers attach to the center of each sisters chromosomes. They then align in the center of the cell. The nuclear membrane disingrates completely. Anaphase: The center begins to split and the sister chromosomes then migrate towards the other sides of the cell.Telophase: The chromosomes are now clustered on both ends of the cell. The membrane is now reforming itself. The cell plate begins to form between both daughter nuclei. This is then followed by something called cytokinesis. I now changed my slides to the whitefish blastula.Viewing at a 400x magnification the cell shape stayed pretty much similar and they still had a circle like shape to them. In one certain cell, the chromosomes that had lined up in the previous stage, had broken apart from their duplicates and had headed into a different centriole. The stage the cell is now in is the anaphase. When observing the whitefish for the stage of telophase, the shape stayed the same as well except for one cell which is currently in the telophase stage. The cell that is in the different stage looked like two different circle cells that joined one another. This stage the chromosomes reached the center and a nuclear membrane than began to form around each nuclei. 30% of the cells are in the prophase stage5% of the cells are in the metaphase stage5% of the cells are in the anaphase stage5% of the cells are in the telophase stage35% of the cells are in a stage of mitosisIn this conclusion I see that the hypothesis is right. It states that cells will go thru multiple stages of mitosis in their lifetime and they surely do! It also states that we (the viewer) would be able to see the different slides in one stage of mitosis. We were able to see this as well. The other thing I would like to state is that the slides used for the microscope were not large or very clear, but it was good enough to sort of have the idea of what is going on. 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