What is one defining feature of a prokaryotic cell?


have a cell wall outside plasma membrane


cytoplasm surrounds organelles


organelles are not membrane-bound


membrane-bound organelles

Answers

Answer 1

Answer:

Here.

Explanation:

Cytoplasm Surrounds Organelles


Related Questions

termination of transcription in bacteria occurs when ________.

Answers

RNA polymerase

Termination of transcription in bacteria occurs when the RNA polymerase encounters specific DNA sequences that lead to stalling of the polymerase. This results in release of RNA polymerase from the DNA template strand, freeing the RNA transcript.

Transcription is the process of synthesizing the RNA transcript from DNA.

The termination of transcription in bacteria occurs when RNA polymerase comes in contact with some particular terminator sequences that stalls the RNA polymerase letting it fall off.

In transcription, there is its initiation (start) and its termination (and end). Unlike humans with stop codons that terminates the process, the bacteria uses a terminator sequence which it transcribes and cause its fall off the DNA and releasing the RNA transcript.

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Which of the following statements BEST describes photosynthesis?

A) Photosynthesis uses light energy to convert carbon dioxide and oxygen to glucose and water.
B) Photosynthesis uses light energy to convert carbon dioxide and water to glucose and oxygen.
C) Photosynthesis uses light energy to convert glucose and carbon dioxide to oxygen and water.
D) Photosynthesis uses light energy to convert glucose and oxygen to carbon dioxide and water.

Answers

B. photosynthesis uses light energy to convert carbon dioxide and water to glucose and oxygen

Describe the structure and parts of DNA molecule

Answers

Answer:

The DNA molecule consists of two strands that wind around one another to form a shape known as a double helix. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), and thymine (T).

Explanation:

hopefully it's help

If the area had experienced a wet season two years after the drought instead of a dry season,
what kind of evolution would you expect? Explain your answer.

Answers

The organisms will start adaptation to that environment in order to survive.

If the area had experienced a wet season for two years after the drought instead of a dry season then we expect that the organisms that lives in that environment will start adaptation to that humid environment in order to survive.

What is adaptation?

Adaptation occurs when an organism adapts certain actions to a certain environment in order to live more comfortable. If the organism do not adopt certain features then it will be extinct from that environment while on the other hand, those organism which adopt certain features will be able to survive so we can conclude that the organisms will start adaptation to that environment in order to survive.

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What is the process in which a hydrogen ion brakes off of the water molecule forming one H+ ion and an OH- ion

Answers

Answer: Neutralization.

Explanation:  When a base and an acid are mixed, the hydroxide ion and the base combines with the hydrogen ion from the acid to form water. This process is called neutralization.

What are two types of evidence that support the hypothesis that earth and the rest of the solar system was formed by a condensing nebula

Answers

Comets, Asteroids and metoeorites

Comets, Asteroids and metoeorites support the hypothesis that earth and the rest of the solar system was formed by a condensing nebula.

What are the functions of asteroids?

An asteroid is a minor planet of the inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic or icy bodies with no atmosphere.

They probably consist of clay and silicate rocks, and are dark in appearance. They are among the most ancient objects in the solar system. The S-types ("stony") are made up of silicate materials and nickel-iron. The M-types are metallic (nickel-iron).

Almost all of the asteroids in our solar system are orbiting in a broad band 19,400,000 miles wide between Jupiter and Mars. The asteroids are orbiting the Sun, each one traveling around the Sun fast enough for the orbits not to degrade.

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help help pls
choose the right letter

29. The ABO blood type gene is an example of which means that heterozygous display two phenotypes at the same time.

A. Fading
B.Incomplete dominance
C. Codominance
D. Advanced hybridism​

Answers

Answer:

Codominance i believe :)

Should farm animals we eat be genetically modified?

Answers

Answer:

GE animals may be disease resistant, parasite resistant, and withstand stress. The beneficial trait can likely improve their well being because they will be more productive.

Explanation:

I think its B? Can someone explain it to me tho

Answers

Explanation:

I think it should be C because increase in temperature increases molecular motion. Therefore the speed of the moving molecules of both enzymes as well as the substrate will be accelerated. This

will enhance the colliding probability for both enzyme active sites and substrate molecules and more collisions occur between the enzyme active sites and substrate molecules generate greater chances for the reaction to occur. This can continue up to a certain point, after which there is a rapid decline in enzyme activity. This point is referred to

as optimum temperature. When the temperature increases beyond the optimum temperature, the hydrogen bonds, ionic bonds and other weak chemical bonds of enzyme active sites may be disrupted.

This will result a change in the shape of the active site of enzyme which will alter the complementary nature of the active site of enzyme molecules. Therefore, the

complementary binding of enzyme active sites and substrate molecules will be prevented. The above event is called as denaturation of enzyme molecules.

Therefore the rate of enzyme catalyzed reaction or in this case, photosynthesis will start to decline when the temperature increases beyond the optimum temperature and stops completely at certain

temperature, although rate of collision will keep on increasing.

what is most likely the cause of this difference from the rest of the population

Answers

Answer:

Gene mutation is most likely the cause of this difference from the rest of the population. Log in for more information.

Explanation:

CAN I GET BRAINLIEST

how are the functions of the endocrine system and nervous system similar?

Answers

Answer:

It's similar to the nervous system in that it plays a vital role in controlling and regulating many of the body's functions. However, while the nervous system uses nerve impulses and neurotransmitters for communication, the endocrine system uses chemical messengers called hormones.

Most water is used for irrigation and crop. What is one way to help conserve water in relation to agriculture?

Answers

Answer:

Drip Irrigation

Explanation:

What is the goal of mitosis?

Answers

A major purpose of mitosis is for growth and to replace worn out cells.

Explanation:

Answer:

Well the mitosis is a process from one cell cuts into a same daughter cells. Basically cell division! During the mitosis one cell? Cuts once into a form with the same identical cells. The purpose for this mitosis is for the growth to take out the old cells and replace them with new cells.

Explanation:

Sorry if I am wrong have a bless day :D

Researchers wanted to prove that breast feeding caused higher IQ scores. In order to control other relevant factors besides breast feeding, what procedure must researchers use

Answers

They must compare a child getting breast feeding and another child that isn’t. Then, they should compare the results of the two children that were being tested on.

The children should both have the same gender so the researchers can be certain and it would be best if they were the same age.

To observe the surface of an ant you would use...

a dissecting microscope

a scanning electron microscope

a transmission electron microscope

a compound light microscope

Answers

Answer: A

Explanation: you would use I dissecting microscope to observe the surface of an ant so that it can be viewed in 3D.

In the space below label the part of the flower. Identify if it is male, female or neither.
Anther:
Filament:
Ovary:
Petal:
Pistil:
Stamen:
Stem:
Stigma:
Style:

Answers

Answer:

Anther: Male

Filament: Male

Ovary: Female

Petal: Neither

Pistil: female

Stamen:male

Stem: Neither

Stigma: Female

Style: Female

Explanation:

Hopes this help you

a skeletal muscle generates the greatest tension when it is:

Answers

Explanation:

A skeletal muscle generates the greatest tension when it is: partially stretched before being stimulated

Skeletal Muscle generates the greatest tension when the muscle is stretched to an intermediate length, by length-tension relationship.

How tension generates in skeletal muscle?

Muscle tension is highest in skeletal muscles when stretched to an intermediate length, as indicated by the length-tension relationship.

When skeletal muscle fiber contracts, myosin heads link to actin to create cross-bridges, and the thin filaments slide across the thick filaments as the heads pull the actin, resulting in sarcomere shortening and muscular contraction stress.

The amount of stress produced by a muscular contraction is determined by two factors: the number of active muscle fibers and the frequency of neural stimulation of the muscle fibers.

Therefore greatest tension generates in skeletal muscle when it is stretched to the intermediate length.

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How can we preserve animal resources​

Answers

Explanation:

Top 10 ways to save wildlife

Adopt. From wild animals to wild places, there's an option for everyone. ...

Volunteer. If you don't have money to give, donate your time. ...

Visit. Zoos, aquariums, national parks and wildlife refuges are all home to wild animals. ...

Donate. ...

Speak Up. ...

Buy Responsibly. ...

Pitch In. ...

What is the difference between an f donor and an hfr donor?.

Answers

The Hfr donor has an F factor integrated into its main chromosome, but the F+ donor does not. ... The entire F factor would have to be incorporated into the recipient cell's chromosome.

Which of the following steps is required to break down pharmaceuticals, pesticides, and heavy metals in wastewater?

Aeration open basins
Chlorination and ozonation
Biological nutrient removal
Grit and bar screening

Answers

In order to remove the listed substances from wastewater, processes such as Chlorination and ozonation are most often used.

Chlorination is a process used in the purification of wastewater in order to achieve clean water that may be used for consumption or other uses. The process of chlorination exposes the wastewater to chlorine in an attempt to eliminate bacteria, viruses, and other potentially harmful substances and organisms from the water.

Much like chlorination, ozonation is a similar process used to purify wastewater. In contrast to the previous method, however, ozonation exposes the water to ozone. Though ozonation is safer and much more effective, these processes are often used together to eliminate harder to tackle elements such as

pharmaceuticalspesticidesheavy metals

and more from wastewater, which may not be removed by just one process alone.

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Explain hydrogen bonding in a water molecule

Answers

Answer:

Hydrogen bonding forms in liquid water as the hydrogen atoms of one water molecule are attracted towards the oxygen atom of a neighboring water molecule. ... The hydrogen atoms are not only covalently attached to their oxygen atoms but also attracted towards other nearby oxygen atoms.

how is carbon transferred from the biosphere to the hydrosphere?

Answers

Answer:

Animal and plant respiration place carbon into the atmosphere. When you exhale, you are placing carbon dioxide into the atmosphere. Plants use carbon dioxide from the atmosphere to make the building blocks of food during photosynthesis. Carbon is found in the hydrosphere dissolved in ocean water and lakes.

Explanation:

Hope this helps.

What makes a plant a producer?

Answers

Answer:

iii

Explanation:

Answer:

Plants supply food for the ecosystem

Explanation:

The green plants can accommodate their food for themselvesThey provide the foods made by them to the whole ecosystem.

So theya re producers

how long can you keep hard-boiled eggs in the refrigerator

Answers

Answer:

7 days

Explanation:

i found it out the hard way

Answer:

You can keep them up to seven days in the fridge.

Explanation:

how long do monoclonal antibodies stay in your system

Answers

Answer:

They are effective for a month and gone after 6 months.  not sure if that's an answer choice but that's what I got.

Explanation:

What are the longest and shorted wavelengths of sound that humans can hear.

Answers

Answer:

Extremely high-pitched sounds that are on the other edge of the range that humans can hear have smaller wavelengths around 17 mm and frequencies around 20 kHz (kilohertz, or thousands of Hertz). What are the longest wavelengths? Red has the longest wavelength and violet has the shortest wavelength.

Explanation:

what happens to the electrons produced in photolysis?​

Answers

When the electrons leave the chlorophyll molecules, it leaves behind a 'hole. ' This electron hole is filled in by a water molecule that is oxidized, or loses electrons, as it essentially splits into two hydrogen atoms, or protons, and an oxygen atom.

Answer:

Photolysis. When the electrons leave the chlorophyll molecules, it leaves behind a 'hole.'. This electron hole is filled in by a water molecule that is oxidized, or loses electrons

Explanation:

Hope it helps.. Please give me a brainliest ! - Have a great day <3

Hurricane Katrina chart

Please I’m doing a project and I need help ! I’ll give 20 points and maybe even brainliest

Answers

Answer:

r

Explanation:

How does humus help in plant growth?​

Answers

Explanation:

Humus gives the soil the ability to absorb and retain moisture. Such soils do not dry out and require significantly less irrigation. Humus provides a reservoir for the plant nutrients available in the soil for balanced plant growth.

Answer:

Humus gives the soil the ability to absorb and retain moisture. Such soils do not dry out and require significantly less irrigation. Humus provides a reservoir for the plant nutrients available in the soil for balanced plant growth.

True or false: Theoretically, it is possible (but very difficult) for a population to not evolve for a while.

Answers

It is true that it is possible for a population to not evolve for a while.

There is something called the Hardy-Weinberg theorem, which characterizes the distributions of genotype frequencies in populations that are not evolving.

There are 5 Hardy-Weinberg assumptions:

no mutation random mating no gene flow infinite population size and no selection (natural nor forced).

You can see that some of these are kinda extreme and really hard to get, but with approximations, we can work.

For example, instead of an "infinite population size" we have enough with a really large population, such that genetic drift is negligible.

Concluding, yes, it is possible (but really difficult) for a population to not evolve for a while (at least, in nature), as long as the 5 assumptions above are met.

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