The picture shows a model of a cell. What is the main function of the cell part labelled Y in the model

The Picture Shows A Model Of A Cell. What Is The Main Function Of The Cell Part Labelled Y In The Model

Answers

Answer 1
I believe the answer is Choice A

Related Questions

The normal pulse rate is ___________. *
1. 70 to 90 per minute
2. 70 to 80 per minute
3. 40 to 70 per minute
4. 70 to 100 per minute
Class 7

Answers

A normal pulse rate is 70 to 100 per minute

C. 70 to 100 per minute

Why are few genetic disorders controlled by dominant alleles?

Answers

Answer:

a mutant dominant allele is expressed in very individual who inherits even one copy points a seriosbdisorder where people can die young and fail to reproduce so basically a dominant allele with die out of population

The sound which does not have a pleasant sensation on the ear is
(1 Point)​

Answers

Answer:

Tinnitus

Explanation:

The sound which does not have a pleasant sensation in the ear is known as Noise. It is also known as Tinnitus.

What is a pleasant sound called?

A pleasant sound is called a piece of music. The pleasant sounds are termed music whereas unpleasant sounds are called noise. Pitch and loudness are the characteristics of sound. Pleasant sounds are those that human beings love to listen to. It basically includes the following:

Music sound from Harmonium.Song sounds from a human being.Bird's sound in the morning.Slow wind sound.Vibration sound of leaves of the tree.Sound of rain.

The quality and quantity of sound determine its characteristics. For example, the sound that the ears of human love are known as a pleasant sound while the opposite condition reflects the sense of unpleasant sounds.

Therefore, the sound which does not have a pleasant sensation in the ear is known as Noise. It is also known as Tinnitus.

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This species of squirrel has been separated by the Grand
Canyon. Which term best describes the differences
between them?
) Variation
O b) Extinction
Population
d) Overpopulation
Hurry I have 10 minutes left pls

Answers

Answer:

Explanation:b

A sample of a meteorite has a density of 23 g/ml. It takes up a volume of 147 ml.
What is the mass of this unknown sample?

Answers

Answer:

3,381 grams

Explanation:

The problem can be solved by using the formula for "Density." The formula for density is: Density (ρ) = [tex]\frac{mass}{Volume}[/tex]

Now that we know the formula, we can get the formula for the "mass."

mass = ρ x Volume

The given density above is 23 g/mL while the given volume is 147 mL. We have the values of the density and volume, thus, it is easy to solve the problem.

Let's solve.

mass = 23 g/mL x 147 mLmass = 3,381 grams

The mass of the meteorite is 3,381 grams.

If the endoplasmic reticulum were removed from the cell, which organelle would not be able to function properly, and why? mitochondria, because they rely on the ER as an energy source ribosomes, because they receive proteins made by the ER Golgi apparatus, because it packages proteins received from the ER cytoplasm, because it relies on the ER for structural support

Answers

Answer:

Golgi apparatus, because it packages proteins received from the ER

Explanation:

The function of the endoplasmic reticulum is to produce proteins. It can be smooth or rough. The rough endoplasmic reticulum has ribosomes, which make the proteins.

The Golgi apparatus receives proteins from the endoplasmic reticulum and modifies and sorts them. They are then concentrated and packed into vesicles which are released out of the cell membrane.

If the endoplasmic reticulum is removed, proteins cannot be made and the Golgi apparatus would not be able to perform its job.

Hope that helps.

If the endoplasmic reticulum (ER) were removed from the cell, Golgi apparatus would not be able to function properly.

What is endoplasmic reticulum?"Endoplasmic Reticulum is a network of membranous tubules present within the cytoplasm of a eukaryotic cell."It is of two types- Smooth Endoplasmic Reticulum and Rough Endoplasmic Reticulum.It helps in calcium storage, protein synthesis and lipid metabolism.What is Golgi apparatus?It is also known as Golgi body or Golgi complex.It helps in transporting, modifying and packaging of proteins and lips lipids which are synthesized by Endoplasmic Reticulum.

Hence, Golgi apparatus would not function properly if Endoplasmic Reticulum is removed.

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What happens during Prophase I? You will need to think about what you learned during mitosis to fully answer the question.

DNA coils into chromosomes

Crossing over

Nuclear Membrane disappears

Chromosomes line up in the middle of the cell​

Answers

Answer:

Crossing over

Explanation:

Prophase I is the first stage of meiosis I, it is the longest phase of meiosis. Crossing over (also known as recombination) can be defined as the process of exchange of genetic material between non-sister chromatids that occurs during Prophase I. Crossing over represents a critical source of genetic variation in offspring (the other one is the random orientation of the homologous chromosomes pairs). After crossing over, the resulting haploid (n) gametes aren't genetically identical to one another.

What are the products of meiosis? Click ALL correct options. Sperm cells 4 cells Unique/ditieren cells Egg cells 2 cells​

Answers

Sperm, Egg (1 egg and 3 polar bodies), 4 different, haploid

What are the signs and symptoms of sickle cell anemia?

Answers

symptoms

Explanation:

swelling

frequent infections

delayed growth or puberty

vision problems

sickle cells break apart easily and die leaving you with to few red blood cells

Symptoms
Anemia. Sickle cells break apart easily and die, leaving you with too few red blood cells. ...
Episodes of pain. Periodic episodes of pain, called pain crises, are a major symptom of sickle cell anemia. ...
Swelling of hands and feet. ...
Frequent infections. ...
Delayed growth or puberty. ...
Vision problems.

Explain the basis for the great diversity of proteins in living organism.

Answers

Answer:

Explanation:

Protein functions are so diverse because of the many unique three-dimensional structures protein polymers form. Despite such variety, proteins also share several specific structural characteristics in their monomers, the amino acids. Structural similarities among amino acids make protein synthesis a uniform and regulated process; however, each amino acid contains a unique structural component as well. Specific differences between each amino acid interact to create unique three-dimensional protein structures. Combined, the similarities and differences between amino acids explain how cells can build a diverse pool of proteins from the same set of building blocks. Protein synthesis involves building a polymer of amino acids with complex three-dimensional structure. Dehydration synthesis forms a peptide bond between amino acids and releases a water molecule.

John was told by his physician that he was vitamin D blood levels were low. John needs to eat foods that are rich in

Answers

Answer:

Vitamin-D in the blank.

Explanation:

If you think you may have a deficiency, it's important that you speak to your doctor and get your blood levels measured. Fortunately, a vitamin D deficiency is usually easy to fix. You can either increase your sun exposure, eat more vitamin-D-rich foods, such as fatty fish or fortified dairy products.

Organisms that are capable of
chemosynthesis are considered

A. autotrophs.
B. carnivores.
C. omnitrophs.

Answers

Answer: Chemoautotrophs like algae and plankten are able to use chemosynthesis for thier food.

So maybe it's autotrophs since they don't eat plant's or meat.

1. Which of the following is an example of a mutation?

ANSWER: a. A red blood cell loses its nucleus

b. A zygote receives two X chromosomes

c. A strand of mRNA is produced from DNA
d. A nucleotide is missing in a replicated DNA

Answers

Answer:

A

Explanation:

Quite simple actually. When a blood cell loses its nucleus it has no type of genetic code in order for it to function. With no DNA or Nucleus, the organelles inside the cell serve no purpose. This causes the cell to either swole or shrink. This is a form of mutation. This happens when there is no activity in the cell and it loses its proteins in the cell membrane, which leads the cell to use passive homeostasis more often than active. With no genetic code for it's cell transport, the cell gives out more necessary molecules, or takes in more necessary molecules.

If a nucleotide is missing in a replicated DNA, it would lead to a change in the gene expression which would lead to mutation. The correct answer is option d.

An alteration in the DNA sequence is known as a mutation, which can happen spontaneously or as a result of toxins or radiation. An organism may experience no effect, negative consequences, or positive effects as a result of a mutation.

Option d here refers to a mutation in which a nucleotide is absent from a DNA molecule that has been duplicated. The building components of DNA are called nucleotides, and if one is absent, the genetic code can be changed. This alteration in the DNA sequence may have serious repercussions, including the development of hereditary illnesses or disorders.

Therefore, a nucleotide is missing in a replicated DNA is an example of mutation i.e. Option D.

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What are the PRODUCTS (what is made) of aerobic respiration? Select all that apply

Answers

Answer:

carbon dioxide and water

How are living things put together?

Answers

Answer:

All living things are made of cells; the cell itself is the smallest fundamental unit of structure and function in living organisms. In larger organisms, cells combine to make tissues, which are groups of similar cells carrying out similar or related functions.

Explanation:

which animal listed below would complete this food chain?
grass ⇒ __________
A. snake
B. lion
C. hawk
D. cow

Answers

Answer:

D

Explanation:

Cows eat grass

It would be D. Cows eat grass.

23. What is MOST likely TRUE about forensic scientists?
A
They have to follow the rules of the judicial system.
B
Most are biologists who decided to study forensics.

C
They are not permitted to use hazardous materials.
D
Many of them become certified immediately after high school.

Answers

Answer:

d

Explanation:

many of them become certified

Answer:

They have to follow the rules of the judicial system.

but if not i believe it might be b :) hope this helps!

Explanation:

Describe the medical model approach to health​

Answers

Answer:

The medical model's school of thought is that mental disorders are believed to be the product of physiological factors. The medical model, which is more widely used by psychiatrists than psychologists, treats mental disorders as physical diseases whereby medication is often used in treatment.

Explanation:

Which of the following best explains the endosymbiosis theory of how eukaryotic cells originated, as shown below? A.Eukaryotic cells developed from mutations in prokaryotic cells
B.Eukaryotic cells developed from organic compounds carried to Earth by debris from space
C.Eukaryotic cells originated from a combination of gases and heat in the atmosphere
D. Eukaryotic cells were originally large prokaryotic cells that absorbed smaller prokaryotic cells

Answers

Answer:I’m sure the answer is D

Explanation:

All eukaryotes evolved from prokaryotes and eventually developed into mitochondrial organelles.

The endosymbiotic theory represents that some of the organelles in eukaryotic cells were prokaryotic microbes at some time. As per the endosymbiosis theory the eukaryotic cells were at first large prokaryotic cells that absorbed smaller prokaryotic cells.

What is endosymbiosis?

Endosymbiosis is the engulfing of the cell by another one to produce, over time, a coevolved relationship in which none of the cell could survive alone.

It is an evolutionary theory that guides the origin of eukaryotic cells by prokaryotes.

Eukaryotic cells were previously large prokaryotic cells that actually absorbed smaller prokaryotic cells

Thus, the correct option is D.

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Which of these rocks are formed by erosion and deposition?

Answers

Answer:

limestone and sandstone

Explanation:

Answer:

Sandstone and Limestone

Explanation:

I took the test (it was very easy for me)

7. How do the data support your claim above?
Explain your statement above. Be sure to refer to specific pieces of data from your experiment that
support your argument. HELP

Answers

Well what’s the data

In the United States, it is possible for discoverers of gene sequences in organisms to patent those sequences. This gives the discoverer property rights for the sequence. Many scientists object to this practice. Which is the strongest scientific argument against allowing a gene sequence to be patented?

Answers

Answer:Are gene sequences patentable under existing law?

Explanation:

True or false Solutions of equal solute concentration are isotonic.

Answers

Answer:

Explanation:

now you have two mixtures of different solute concentrations. In comparing two solutions of unequal solute concentration, the solution with the higher solute concentration is hypertonic, and the solution with the lower solute concentration is hypotonic. Solutions of equal solute concentration are isotonic.

In eukaryotes, general transcription factors A) are required for the expression of specific protein-encoding genes. B) bind to other proteins or to a sequence element within the promoter called the TATA box. C) inhibit RNA polymerase binding to the promoter and begin transcribing. D) bind to sequences just after the start site of transcription.

Answers

Answer:

B

Explanation:

The general transcription factors bind to other proteins or to a sequence element within the promoter region known as the TATA box.

Transcription is a biological process involving the synthesis of RNA from a DNA template. The process of transcription begins with the binding of an enzyme, the RNA polymerase, to the promoter region of a gene. Prior to that, however, a group of enzymes known as the transcription factors must bind to a specific sequence within the promoter region - the TATA box. The binding of the RNA polymerase signals the unwinding of the section of the DNA to complete the initiation complex.

The correct option is, therefore, B.

The cell cycle has a regular system of checks and balances that prevents damaged or mutated cells from proceeding to the next phase. One way an organism deals with the problems is to kill the damaged cell before it passes on the problem to its daughter cells. This is a normal process called apoptosis.

a. True
b. Fale

Answers

Answer:

A. True

Explanation:

Apoptosis is a normal cellular process in which the cell inherently programs the death of a mutated or damaged cell without affecting the healthy condition of the other surrounding cells by proliferating.

Apoptosis is a system of checks and balances that the cell uses to prevent damaged or mutated cells from proceeding to the next phase in the cell cycle. This curbs or prevent the damaged cell from passing on the problem to its daughter cells. Hence, according to this question, it is TRUE.

please help my little sibling fr needs it . thank u !

Answers

Answer:

1 is C

2 is A

3 is B

Explanation:

1 - the cow is breathing and releases carbon dioxide the tree absorbs it and releases oxygen

2 - the cow Is breathing that's why it releases carbon dioxide

3 - the human takes in oxygen but breaths out carbon dioxide

Help who got a story?

Answers

Answer:

Answer down below

Explanation:

Miki was driving a car. She sped up around the 2nd hour mark and then Slowed down around the 4th hour mark.

Michael ran towards the store, then ran back because he couldn’t find his money, then stopped completely to take a water break.

what are the differece between facts theory and hypothesis in scientific ex'p​

Answers

Answer:

Theory, and Law In Science.

Explanation:

for a phenomenon made as a starting point for further investigation.

Please help me. <><><><><<>

Answers

Answer:

I would say D

Explanation:

I’m thinking both what do you all think??

Answers

Answer:

I actually think a chemical change

Explanation:

The chemical composition should not change in a physical change so therefore I think it’s only a chemical change

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