Which of the following is NOT true about
ribosomes

A-Only eukaryotes have ribosomes

B-Ribosomes can be found on the rough
endoplasmic reticulum in eukaryotes

C-Ribosomes are made of a small subunit and a
large subunit

D-Ribosomes are different between prokaryotes
and eukaryotes

Answers

Answer 1

Answer:

I believe the answer is A.

I apologize if I'm incorrect, please let me know if I am tough I'm pretty sure I'm right.


Related Questions

QUESTION 6
Which statement is true about graded potentials?
a. They always produce action potentials.
b. They always depolarize a neuron.
c. They change the voltage of a neuron by different amounts.
od. They are "all-or-none."
Click Save and Submit to save and submit. Click Save All Answers to save all answers.

Answers

The answer is B.I believe

Besides plants and insects, what else would the student need in the ecosystem? Why?

Answers

Air, water , because without air we can’t live and without water too because our bodies need air and water

What is the keystone species

Answers

Answer:

a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically

Explanation:

Answer:a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.

Explanation:

The American Beaver (Castor canadensis) is one example of a keystone species in North America. In any arrangement or community, the “keystone” is considered one of the most vital parts. In a marine ecosystem, or any type of ecosystem, a keystone species is an organism that helps hold the system together.

Lateralization refers to the
a. number of neurons produced during prenatal development.
b. organizational structure of the peripheral nervous system.
c. specialization of the two hemispheres of the cerebral cortex.
d. plasticity of the spinal cord.

Answers

C. Specialization of the two hemispheres of the cerebral cortex

Explain the contribution of antigenic determinant in false negative and false positive test

Answers

Answer:

The contribution of the antigenic determinant is given below:

Explanation:

Antigenic determinant or epitope is the part of the antigen that is recognized by the immune cells or antibodies such as the B- cells by binding to these cells and evokes the response in the host. The antibodies bind to the epitope segments only not to the entire antigen protein.

A false-positive test is a test where the result suggests that an individual has a specific condition but in reality not having such condition. opposite in the false-negative So, the antigenic determinant binds to the specific antibodies and shows wide significance to reduce the false-negative or false-positive.

Which of the following statements is NOT true regarding the nebular hypothesis?

Question 1 options:

A) A large cloud of hydrogen gas and dust begins to collapse under its own gravity.


B) The collapsing cloud begins to spin.


C) The spinning, collapsing cloud expands into a ball.

D) As the material coalesces in the center, it becomes dense, compresses, and heats up.

Answers

A

A large cloud of hydrogen gas and dust begins to collapse under its own gravity.

The incorrect option is "a large cloud of hydrogen gas and dust begins to collapse under its own gravity"

What is the nebular hypothesis?The most widely accepted theory in cosmogony to explain how the Solar System formed and evolved is the nebular hypothesis. It implies that gas and dust orbiting the Sun are what created the Solar System. The nebular theory proposes that a rotating cloud of material called a nebula, composed primarily of light components, flattened into a protoplanetary disk and developed into a solar system made up of a star and circling planets.Immanuel Kant developed the hypothesis.In 1900, Chamberlain and Moultan hypothesized that a wandering star's approach to the sun caused a cigar-shaped extension to separate from the solar surface.

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All of the following events occur during prophase in mitosis except

WILL MARK BRAINLIEST

A. Condensation of DNA

B. Crossing over

C. Pairing of chromosomes

D. Spindle formation

Answers

The. Answer I believe is c

All of the following events occur during prophase in mitosis except crossing over (Option B)

Mitosis can be divided into four phases: prophase, metaphase, anaphase, and telophase.

During prophase, the chromatids condense into chromosomes, thereby making them visible.

The mitotic spindle is a structure composed of microtubule proteins that segregate the chromosomes in mitosis. This structure is formed in prophase.

In Prophase homologous pairs of chromosomes are paired together. In metaphase, these chromosomes are lined up at the equator of the cell and sister chromatids are attached to the spindle fiber.

Crossing over (or recombination) is the exchange of genetic material between non-sister chromatids that occurs during prophase I of meiosis.

In conclusion, condensation of DNA, the pairing of chromosomes and, spindle formation occur during prophase, whereas crossing over occurs in prophase I of meiotic cell division (Option B).

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Excess carbon gasses released into the atmosphere cause additional radiation and Earth's average temperature to increase. This phenomenon is known as

Answers

Answer:

Green house gases and global warming

bdjdwisiziziai dudiejws earth 1 a39 - r carbon gasses

what is Janus green b​

Answers

Answer:

Janus Green B is a basic dye and vital stain used in histology.

Explanation:

10 POINTS PLZ ANSWERRRR
Which of the following best describes non-matter?
A substance that is either a solid, liquid, or gas
Any material that has a length and a volume Anything with no mass that takes up no
space Something that takes the shape of a container​

Answers

Answer:

c is the answer in my opinion .

Explanation:

Its because non matter has neither volume nor mass and no space also.

Answer:

Matter is something that takes up space so the answer is Anything that does not take up space

Explanation:

A dihybrid cross experiment is carried out in pea plants. The traits being observed are flower color and stem length. In the F2 generation, 81 plants have purple flowers and long stems, 27 plants have purple flowers and short stems, 27 plants have white flowers and long stems, and 3 plants have white flowers and short stems.

Which traits are recessive?

A.purple flowers, long stem
B.purple flowers, short stem
C.white flowers, short stem
D.white flowers, long stem

Answers

C white flowers and short stem

Answer:

c

just took test

Explanation:

white flowers, short stem

The majority of pesticides do not have a residual effect (i.e., not persistent; lose chemical activity) in the soil.

a) True

b) False

Answers

Answer:

B- False

Explanation:

Pesticides can contaminate soil, water, turf, and other vegetation. In addition to killing insects or weeds, pesticides can be toxic to a host of other organisms including birds, fish, beneficial insects, and non-target plants. Soil can be degraded and the community of organisms living in the soil can be damaged by the misuse or over use of pesticides. Some pesticides are more toxic to soil organisms than others.

Hope this helps!

During the cell cycle, DNA replication must occur?
A) Before the cell divides

B) Immediately following
cytokinesis

C) During mitosis

D)All of the Above

Answers

The answer is A before the cell divides

pleasseeee help...........

Answers

Answer:  

The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet. It was proposed by Alfred Wegener.

Explanation:

The two main zones within the A climate are

Answers

Answer:

The Earth has three main climate zones: tropical, temperate, and polar. The climate region near the equator with warm air masses is known as tropical. In the tropical zone, the average temperature in the coldest month is 18 °C.

The climate has three main zones such as tropical, temperate, and polar.

What are Earth's climatic zone?

A climate zone refers to a condition by observing different factors like temperature, humidity, precipitation, season and natural vegetation of an area.

Earth's climate zones is surrounded by the horizontal belts of different climates such as tropical, dry, temperate, continental, and polar zones.

Firstly, Tropical climate zones which present near the Equator of earth and have high temperatures and high precipitation, while Dry or arid climate zones shows high temperatures  and little annual precipitation.

Similarly temperate climate zone observed  Earth’s middle latitudes and shows wider temperature and seasonal variations are more distinct.

Continental climate zone observed in mid-latitudes, shows swing of  temperatures  from cold in winter to warmer, where as polar climate zones shows harsh climate which cannot to support vegetation.

Hence, major zones are tropical, temperate, and polar.

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What is the highest possible temperature?

Answers

Answer-

The highest possible know temperature is 142 noillion kelvins

Calculate the rate of photosynthesis (mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 3 mm from the initial level in 20 min, and when measuring cellular respiration it took 15 minutes for the water level to move down 1 mm.

Answers

Answer:

The rate of photosynthesis is 13 mm/hr

Explanation:

The rate of net photosynthesis is given by;

rate of net photosynthesis = 3 mm / 20 min = 1.5 mm/ 10 min

The rate of  cellular respiration is given by;

rate of cellular respiration = 1 mm / 15 min = 0.667 mm / 10 min

The rate of photosynthesis is given by;

rate of photosynthesis = rate of net photosynthesis + rate of cellular respiration

rate of photosynthesis = 1.5 mm/ 10 min + 0.667 mm / 10 min

rate of photosynthesis =2.167 mm/ 10 min

[tex]rate \ of \ photosynthesis \ in \ mm/hr = \frac{2.167 \ mm}{10 \ min} *\frac{60 \ min}{1 \ hr} = 13 \ mm/hr[/tex]

Therefore, the rate of photosynthesis is 13 mm/hr

why can b blood donate to AB blood?? ​

Answers


People with type AB+ blood are universal recipients because they have no antibodies to A, B or Rh in their blood and can receive red blood cells from a donor of any blood type. Plasma transfusions are matched to avoid A and B antibodies in the transfused plasma that will attack the recipient's red blood cells.

Answer:

Type B contains the B antigen.

This type is relatively rare (second only to AB). It contains the B antigen on its red blood cells, and the A antibody (to attack A antigens) in its plasma

Explanation:

Both strands of the DNA double helix contain nitrogenous bases held together by hydrogen bonds. In DNA, the sequence of nitrogenous bases varies widely. What is the significance of the nitrogenous bases?

A. They determine the amino acids in the proteins synthesized.
B. They prevent mutations from occurring in the process of DNA replication
C. They help complete the sugar-phosphate backbone of DNA molecules.
D. The amount of adenine and cytosine determines the length of the gene on a DNA molecule.

Answers

Answer:

A

Explanation:

Essentially, in the process of protein synthesis, there is first transcription where mRNA is synthesized off of a DNA strand with complementary nitrogenous bases. After processing occurs (in basic terms the mRNA is literally processed) and the mRNA strand leaves the nucleus, it attaches to a large and small ribosomal subunit (a ribosome) where translation occurs. The gist of it is when the mRNA strand is being read by the ribosome. tRNA will come over and bind temporarily bringing with it a specific amino acid, starting the formation of the polypeptide/amino acid chain. Nitrogenous bases play into this as the sequence of the nitrogenous bases is what determines what tRNA will bind onto it which determines which amino acid is brought. More specifically, this deals with the codons of the mRNA and the corresponding anticodons with the tRNA, which is a bit of a more specific topic.

The nitrogenous bases help complete the sugar-phosphate backbone of DNA molecules. The correct option is C.

What is DNA?

DNA, also renowned as deoxyribonucleic acid, is a complex molecule that includes all of the information required to construct and retain a lifeform.

DNA is found in the cells of all living things. In real sense, as in almost every cell in a multicellular organism contains the entirety of the organism's DNA.

DNA is composed of chemical key components known as nucleotides. These building blocks are composed of three components: a phosphate group, a sugar group, and one of four different types of nitrogen bases.

Nucleotides are linked together in chains, with the phosphate and sugar groups alternating.

Thus, the correct option is C.

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Which organelle makes lipids?

Answers

Answer:

endoplasmic reticulum

Explanation:

The endoplasmic reticulum is an organelle that is responsible for the synthesis of lipids and the modification of proteins.


Peroxisomes


Peroxisomes are metabolic organelles involved in bile acid synthesis, as well as the metabolism of glyoxylate, dicarboxylate, amino acids and lipids

Why can someone lost at sea die of thirst

Answers

Human kidneys can only make urine that is less salty than salt water. Therefore, to get rid of all the excess salt taken in by drinking seawater, you have to urinate more water than you drank. Eventually, you die of dehydration even as you become thirstier.

Answer:

someone can die at sea from thrist because there is no drinkable water.

Explanation:

You cannot drink the water surrounding you because it is salt water. (not the regular non-salt water we drink) the salt in the ocean water will actually dehydrate you more.

Hope this helps!!

which 3 reactions form atp?

Answers

Answer:

Answer below

Explanation:

The eight steps of the citric acid cycle are a series of redox, dehydration, hydration, and decarboxylation reactions. Each turn of the cycle forms one GTP or ATP as well as three NADH molecules and one FADH2 molecule, which will be used in further steps of cellular respiration to produce ATP for the cell.

HEYY YOU GUYS AGAIN. I HAVE A COUPLE OF QUESTIONS I NEED HELP ON. IF YOU CAN, PLEASE HELP ASAP.
which moon phase occurs when the moon is between the earth and the sun??
a. full moon.
b. waxing crescent.
c. new moon.
d. waning crescent.

Answers

Answer:

New Moon

Explanation:

There are eight phases of the Moon, which repeat every 29.5 days. New Moon. A new moon is usually not visible to the naked eye, as only the unlit portion of the Moon is exposed. This phase occurs when the moon is situated directly between the sun and the Earth. A solar eclipse can only occur during this phase. Waxing Crescent

C.New Moon A solar eclipse can only happen at new Moon. A waxing crescent moon is when the moon looks like a crescent and a crescent increases in size from one day to the next

the three basic skills needed for effective communication are

Answers

Answer:

Listening. One of the most important aspects of effective communication is being a good listener. ...

Non-Verbal Communication. ...

Be Clear and Be Concise. ...

Explanation:

1. speaking
2. listening
3. body language

What would happen if you sweat while your body was cold?

A.positive feedback
B. Negative feedback

Answers

Answer:

I guess Negative Feedback

Explanation:

That's Rough Buddy

Answer:

negative feedback

Explanation:

you would probably have a fever :/

What caused Antarctica’s climate to change from a more temperate climate to its current climate?
A)
isolation from the other continents
B)
El Niño
C)
being surrounded by ocean
D)
volcanic eruptions
E)
all of the above

Answers

Answer:

E

Explanation:

Answer:

E) All of the above

Explanation:

Got it right on the test

Which of these choices is a risk of replacing a coal-burning power plant with
a nuclear power plant?
A. Improper storage of radioactive waste
B. Reduced greenhouse gas emissions
C. Improved respiratory health of residents
OD. New jobs created in the nuclear power plant

Answers

A) The reason why if you do not properly handle the waste you’ll have chemical and radioactive waste going into your water supply or grounds and slowly might effect your heath or it’ll effect it quickly.

The statement that is a risk of replacing a coal-burning power plant with a nuclear power plant is improper storage of radioactive waste.

What is nuclear power plant?

Nuclear power plant is a power plant that obtains its primary energy from the heat generated in nuclear reactions.

Nuclear source of energy is a renewable source while a coal source of energy is nonrenewable.

However, nuclear radiation releases radioactive particles indiscriminately into the environment when used.

Therefore, the statement that is a risk of replacing a coal-burning power plant with a nuclear power plant is improper storage of radioactive waste.

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1 Sustainability means: A. Meeting present needs without compromising needs of future generations B. Meeting present needs without the concern for future generations C. Ignoring the needs of current generations to help future generations D. Sustaining fish at a certain depth in the ocean 15 (1 Point)​

Answers

Answer:

A

Explanation:

With respect to proteins, the quaternary structure refers to the ​

Answers

Answer:

refers to the number and arrangement of protein subunits

DNA replication results in two DNA molecules,

Answers

DNA replication results in two DNA molecules,
each with one new strand and one original strands.

Hope this helps!
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