Prokaryotic cells do not contain many of the organelles that eukaryotic cells have. Prokaryotic cells do have a primitive form of _____________.

Answers

Answer 1

Answer:

Figure 1. A typical prokaryotic cell contains a cell membrane, chromosomal DNA that is concentrated in a nucleoid, ribosomes, and a cell wall. Some prokaryotic cells may also possess flagella, pili, fimbriae, and capsules.

please give brainlist

hope this helped.....

Answer 2

Prokaryotic cells do not contain many of the organelles that eukaryotic cells have. Prokaryotic cells do have a primitive form of Ribosomes.

What are Prokaryotic cells?

Prokaryotic cells may be defined as the types of cells that lack a well-defined nucleus and other membrane-bound cell organelles. The genetic material of a prokaryotic cell is a single chromosome made up of a single strand of DNA.

A Prokaryotic cell typically has a cell membrane or plasma membrane that functions or operates like a protective cover. Golgi apparatus, mitochondria, and chloroplasts are significantly absent in prokaryotic cells. This is because they are membrane-bound cell organelles.

The traces of ribosomes are required for the process of protein synthesis in order to accomplish metabolic activities required for the survival of prokaryotic organisms.

Therefore, the primitive form of ribosomes is generally present within the prokaryotic cells.

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Related Questions

Explain the difference between physical and chemical properties. Provide an example of each.

Answers

Answer: A physical property is when something can be observed or measured without being changed. A chemical property is when a substance undergoes a specific chemical change. Examples of physical property are color or density. Examples of chemical properties are flammability or heat of combustion.

I hope that this helps you !

The difference between physical and chemical properties of a substance depend on the fact that they affect the substance physically or affects its properties and identity.

Substances have characteristics that help in identify and thus classify them. Two of the broad classifications of these would include the chemical and physical properties of a particular substance.

Physical properties are those that can be identified without changing the identity of the substance.change in the physical appearance of matter such as color, density, hardness , are examples of physical properties.Properties that describe how a substance changes into a completely different substance are called chemical properties.Flammability and corrosion resistance are examples of chemical properties.

Thus, the physical and chemical properties of a substance depend on the fact that they affect the substance physically or affects its properties and identity.

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Name the main energystoring products of each phase of photosynthesis.

Answers

Just the way you justify it and otherwise on the same point slot

Explanation:

During the first stage of photosynthesis, called the light-dependent reaction, sunlight excites the electrons in the chlorophyll pigment. The organism uses this energy to create the energy carrier molecules ATP and NADPH, which are crucial for carbon fixing during the second stage.

The first two stages of photosynthesis depend directly on light because light energy is used to make ATP and NADPH. In the final stage of photosynthesis, ATP and NADPH are used to produce energy-storing sugar molecules from the carbon in carbon dioxide.

True or false: Some populations that are considered to be separate species can interbreed and produce fertile offspring.

Answers

Answer:

False/true

Explanation:

Separate species can't interbreed, but there is some instinses that they can, for example the tiger and lion.

During which period of Earth's history did four-legged animals appear on land?

Answers

Answer:

The dinasaur age

Explanation:

ROOOAARRR

Yep it was the dinosaur age like Alligators

Type the word

Definition

Usage

Answers

Answer: definition is the fact of being used

Explanation: your using that object so it’s being used

Answer:

Definition Usage

Explanation:

How many amino acids must be obtained in the diet because they cannot be made by the body?
2
5
10
20

Answers

Answer:

The answer would be C, or 10.

Explanation:

Answer:

10

Explanation:

i took the test

Which characteristic of life should be the title of this graph

Answers

Answer:

Growth

Explanation:

in an experiment, the group that is expossed to the variable to be tested is called what

Answers

Answer:

An experimental group

Explanation:

An experimental group is a test sample or the group that receives an experimental procedure. This group is exposed to changes in the independent variable being tested.

7
The low temperatures in Colton for 5 consecutive days were -8°F, -13°F,
- 4"F, -9°F, and -16°F. What was the average low temperature for the 5
days? (do not label your answer)
10 points
Your answer
This is a required question

Answers

Answer:

-10

Explanation:

add all temperatures together divide by 5 for your average

Answer:

-10°F

Explanation:

We want to find the average low temperature for the five days. To find an average, add up every value, then divide by the number of values.

The data given is:

-8°F, -13°F,  -4°F, -9°F, -16°F

1. Add the values

-8 + -13 + -4 + -9 + -16

-50

2. Divide by the number of values

Count how many numbers there are. The data was for 5 days, so there are 5 values.

-50/5

-10

The average low temperature for the 5 days was -10 degrees Fahrenheit.

Give an example that illustrates lipids being waterproof.

Answers

Answer:

Oils do not dissolve in water

Explanation:

Waxes are one of the forms of lipids, which are waterproof.  

Lipids are insoluble in water and are hydrophobic. They perform many essential activities within the cell.  

• One of the forms of lipids is waxes, which envelopes the leaf surfaces of some plants, and the feathers of some aquatic birds.  

• Due to the hydrophobic nature of waxes, they inhibit water from attaching to the surface. Thus, waxes are waterproof.  

• The waxes are the long-chain fatty acid chains attached covalently with the long-chain alcohols.  

Thus, waxes are the lipids that demonstrate the waterproof property of the lipids.

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what is the answer?​

Answers

Answer:

D: Truck

Explanation:

The truck has the largest mass combined with the speed = the greatest kinetic energy value

Which of the following is an example of a scientific question?
a. Is experimenting on white mice right or wrong?
b. Should scientists make as much money as athletes?
c. Does tanning harm the skin?
d. Who is the most famous scientist in the world?
Please

Answers

C. Does tanning harm the skin
C. Does tanning harm the skin

HELP PLSSSSS what is the scientific process described detailed.

Answers

Answer:

Basically Question, Research, Hypothesis, Experiment, Analysis, and Conclusion

Answer:

a list of what ur supposed to do in science

Explanation:

How much momentum does a spaceship carrying rocks have? A. It has no momentum. B. It has less momentum than an empty spaceship traveling at the same velocity. C. It has more momentum than an empty spaceship traveling at the same velocity. D. It has the same amount of momentum as an empty spaceship traveling at the same velocity.

Answers

We can define the momentum of a moving object as the "amount of motion" and can be written as:

P = M*V

Where M is the mass and V is the velocity.

With this we will see that the correct option is B: "It has less momentum than an empty spaceship traveling at the same velocity."

Now we want to see which statement fits bets the momentum of the spaceship, let's analyze each option:

A) "It has no momentum."

If the spaceship moves, it has momentum, so this is false.

B) "It has less momentum than an empty spaceship traveling at the same velocity."

This is true, if the spaceship is empty, then it has less mass, thus the momentum would be smaller.

C) " It has more momentum than an empty spaceship traveling at the same velocity."

This is false, the same reasoning as above.

D) "It has the same amount of momentum as an empty spaceship traveling at the same velocity"

This is false, the same reasoning as above.

Finally, we can conclude that the correct option is B.

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Answer: it has more momentum than an empty spaceship traveling at the same velocity

the answer to the question in the comments is bowling ball

Explanation: I took the test and failed because of them



please help due at 12 am please

Answers

Upon sudden impact , the resistance of fluid to the compression probably causes kinetic energy....

What are the main parts of an animal cell? State their properties and functions.​

Answers

Nucleus - the control center of the cell.

Ribosomes - Produce proteins (protein synthesis)

Nuclear Membrane - controls what enters and leaves the nucleus.

Mitochondria - power house, produces ATP

Golgi bodies - packages proteins

Vacuole - stores water, waste, and food

Cytoplasm - suspends organelles

Endoplasmic reticulum - transport system for materials

Cell membrane - controls what enters and leaves the cell

Centriole - aids in cell division

Nucleolus - makes RNA

Cytoskeleton - helps organelles move from place to place

Microfilament - help cells change shape; structural support

Microtubules - Provide attachment places for organelles and provide tracks for organelles movement

Why is evolution considered a scientific theory?

A. Because it is a hypothesis.

B. Because it is a guess made by scientists.

C. Because it was thought of by scientists.

D. Because it is supported by scientific data.

Answers

Evolution considered a scientific theory  because it is supported by scientific data. Thus option D is correct.

What is evolution ?

A change in the characteristics of a species over several generations due to various cause such as natural selection.

Evolution has different components such as Natural Selection, Macro-evolution, and Micro-evolution.

Natural selection is the method that drives evolution of a species. The organism can undergo adaption in a given habitat to increase the survival rate more than others.  

Several factor can influence evolution such as gene flow refers to change in allele frequency in a population due to immigration and emigration.

secondly genetic drift refers to an existing population produces a new and smaller population with less variation in a random manner.

Mutation also add a favorable allele leads to increase in frequency in a population.

Sexual selection refers to selection of successful trait for mating which increase the frequency.

Thus option D is correct.

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Answer: this it fasho

Explanation:

Which statement accurately describes the atoms of a specific element.

Answers

A zinc, Zn, atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus. hope this helped :)

I'm pretty sure your answer is going to be (D)

Starting in 1850 when Europe become industrialized, the frequency of melanic forms of the peppered moth in populations ______ until they made up ______ of some population.

Answers

Answer:

increased; almost 100%

Explanation:

The peppered moth witnessed a change in its color and the number at the end of the eighteenth century. The reason behind this was the Industrial Revolution that led to an increase in air pollution. With the increase in air pollution, the dark-colored moths increased in the number. Later, when air pollution decreased, the light-colored moths started to predominate. It was in 1895 that the number of dark-colored moths increased to the maximum.

what happens to the C6H12O6 when it is eaten by elk

Answers

Answer:

There are no options but the answer can be provided based on general understanding. The answer is:

It is used to synthesize energy (ATP)

Explanation:

C6H12O6 is the chemical formula for glucose molecule, which is a simple sugar or monosaccharide. It is the simplest unit of carbohydrate molecules. Glucose is a precursor of cellular energy i.e. ATP in living systems. When food is eaten by an organism such as elf, it gets broken down or digested to a simpler unit, which is usually glucose.

This glucose is then absorbed by the cells of the organism, where the stored energy in its bonds is converted to a usable energy by the cell, called Adenosine triphosphate (ATP) in a process called CELLULAR RESPIRATION. Hence, the C6H12O6 (glucose), when eaten by an organism such as an elk, is used as a source of energy to the cell.

Which processes form glaciers

Answers

i believe its erosion, weathering, transportation and deposition :)

Glaciers configure the land through the processes of abrasion, weathering, passage, and deposition creating a specific landform.

What are Glaciers?

A glacier is the deposition of crystallized ice, snow, and often liquid water that originates on land and moves down under the effect of its own gravity and mass.

Glaciers are formed by the action of crystalline ice that remains in the same area over a long period of time. A layer by layer deposition of snow accumulates compression to previous layers, and sometimes there is a passage of liquid that is a melted form of snow under the effect of its own mass and gravity.

Therefore, glaciers are formed by four major processes which are described above.

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Which is a traditional flood control method used to keep a stream’s flow in its channel?

Answers

Answer artificial levees

Explanation:

Is controlling homeostasis a conscious or unconscious process?

Answers

Answer:

It is an unconcious process

Explanation:

Homeostasis is when the body is made sure to have a constant environment inside so that the body can work at it's optimum conditions .... constant temperature, constant pH etc ... you do sweat when you feel hot but you can't control it... your mind just tells it to... vadodilation and vasoconstriction for a constant temperature occurs for a constant temperature as well(when vessels dilate and constrict), your mind allows the vessels to do so without you thinking about it.

Homeostasis is an unconscious process.

Homeostasis can be defined as the ability of the organism to maintain the internal environment constant with respect to the changes occurring in the external environment. The steady state of the body can be achieved by the regulation of body temperature, pH, and metabolism. These changes are controlled by the hypothalamus gland in the human body which is without our conscious state of awareness. Some of these changes are control of heart rate, body temperature, and blood pressure.

Hence, controlling homeostasis is an unconscious process.

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movement of food through your digestive system

Answers

Peristalsis, food moves through your GI tract by this process.

how many times the larva of silk worm moult?​

Answers

Answer:

The larva is the silkworm caterpillar. Since the silkworm grows so much, it must shed its skin four times while it is growing. These stages-within-a-stage are called instars.

Explanation:

What is an "asterism?"
A popular group of stars or pattern in the night sky
A star shaped icon on your keyboard
A constellation in the southern hemisphere
A constellation only visible at certain times of the year

Answers

Answer:

An "Asterism" is best defined as: A, A popular group of stars or pattern in the night sky

Explanation:

Essentially, an asterism (a recognizable pattern of stars) is part of a constellation, a larger group of stars that cover a region/area of the sky. For example, the Big Dipper is an asterism that is part of the constellation Ursa Major (aka Great Bear).

Hope this helps!

how is radiation transformed into other forms of energy

Answers

Example of radiation includes the heat from the sun and heat released from the filament of a light bulb how he transfers in microwaves even also depends on radiation for heat transfer by converting electric energy into electromagnetic radiation

Radiation can be defined as the energy that comes from a source travelling at the speed of the light and having a electric and magnetic field around it.

Radiation is capable of even travelling through the vacuum. It travels in the form such as the electromagnetic waves.These waves, such as the sun rays, strike the Earth surface or any other object are converted into different forms of energy.Radiations are absorbed by different organisms or objects and then utilized by converting them in different forms of energy.This conversion is a heat transfer.

Thus, radiations are converted to different forms of energy using heat transfer process.

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3. Enzymes, which influence chemical reactions, are complex types of:*
carbohydrates
O proteins
nucleic acids
lipids
occobarid
olysaccharides as

Answers

Answer:

proteins

Explanation:

proteins

hope I helped

what is infectious disease

Answers

Answer: Historically, an infectious disease leads to millions of deaths. Nowadays, usually infections are caused by drugs and age. Which would be the incubation period. There are many infectious periods of time a person can spread a disease, also. Hope this helped? Sorry if it didn't! I'm a starter haha.

Sandra is growing mums in her backyard and wants to determine how much water she should give the plants to produce the most flowers. Plant A receives only rainwater and is given no additional water. Plant B receives rainwater and an additional cup of water per day. Plant C receives rainwater and an additional two cups of water per day. All mums are given the same amount of sunlight and fertilizer. a. Control Group _______________________________________________ b. Experimental Group __________________________________________ c. Independent Variable _________________________________________ d. Dependent Variable ___________________________________________ e. Constants ___________________________________________________

Answers

Answer: gay lol

Explanation:

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