T or F: A prokaryote cell has a nucleus and other membrane-bound organells.​

Answers

Answer 1

Answer: False

Explanation: because eukaryotic cells have nucleus cells

Answer 2

the answer is false its not true


Related Questions


The body system is responsible for creating new life.

Answers

Answer: yes, you are correct, but sometimes it is unable to create lives....then there is the option, of adoption.

Explanation: Men may not make enough sperm, or that sperm many not be strong ... can just happen (the same as some people might develop conditions ... to allow families who can't easily have babies to get pregnant and have families of their own. Most cases of female infertility are caused by problems with ovulation. Without ovulation, there are no eggs to be fertilized. Some signs that a woman is not ovulating normally include irregular or absent menstrual periods. Ovulation problems are often caused by polycystic ovarian syndrome (PCOS). another case is the body is just too old, and is shutting down. adoption is sometimes expensive, and has a lot of paperwork, but giving a child a family; is the best gift of all. some parents just aren't fit to take care of their child(children), so they go into foster care, and have the choice of either living on their own; or being adopted.....but in some cases, they don't have the choice, because they are too young to decide that.

A body system is a collection of parts able to work together to serve a common purpose growth, reproduction and survival.

The correct question is "The body system is responsible for creating new life" is called the reproductive system.

The various part of a system depends on the other parts to perform the tasks. The various individual system works in lins with other systems to improve our chances of survival by maintaining a stable internal body environment.

Conclusively, the reproductive system is responsible for creating life. The the male and the female reproductive system differs.

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In horses, the Overo gene, Ov, produces a white splotch pattern on the coat. The overo phenotype is seen only when a horse has one Ov copy, Ovov. Horses with two Ov copies, OvOv, die soon after birth and are called white overo because they are completely white. Horses with no Ov copies are solid colored, ovov. The Leopard complex gene, Lp, shows incomplete dominance and controls white spotting. One Lp allele, Lplp, produces the leopard phenotype, in which there are spots everywhere. Two Lp alleles, LpLp, produce the fewspot phenotype, in which the horse is mostly white with colored spots. A horse that is both overo and leopard is called pintaloosa, and these horses are spotted with splotches. A horse that is overo and fewspot is considered fewspot because the white areas from Lp is indistinguishable from the white from Ov.

Suppose that 16 pairs of pintaloosa horses have one offspring per pair. How many of each phenotype would be expected? Determine the number out of 16 expected for each phenotype. Only count phenotypes for offspring expected to live past one week of age.

Number of:
Solid:____
Fewspot:_____
White Overo:______

Answers

Answer: Solid: 1 out 16;

              Fewspot: 3 out 16;

              White Overo: 0

Explanation: A pintaloosa horse is a horse which has genotype LplpOvov, i.e., it is heterozygous for overo and leopard.

Using a Punnett's square, a pair of pintaloosas can produce the following possibilities of offsprings:

Overo genotype

          Ov           ov

Ov    OvOv      Ovov

ov     Ovov      ovov

Leopard genotype

          Lp           lp

Lp     LpLp      Lplp

lp      Lplp       lplp

The expected phenotype for:

Solid is related to the Overo gene and its genotype is ovov, so from the Punnett's square, the possibility for a offspring is 1 out of 16;Fewspot is related to both Overo and Leopard gene. A fewspot horse is both Ovov and LpLp, so the number is 3 out of 16;White Overo is related to the Overo gene and these offspring dies at birth. Since it is asking for the number of ofspring to live past one week of age, there will 0 white overos;

The number of solid overo is 2, fewspot is 3 and white Overo is 0

The question above is incomplete. The complete question is given below:

In horses, the Overo gene, Ov, produces a white splotch pattern on the coat. The overo phenotype is seen only when a horse has one Ov copy, Ovov. Horses with two Ov copies, OvOv, die soon after birth are called white overo because they are completely white. Horses with no Ov copies are solid colored, ovov.

The Leopard complex gene, Lp, shows incomplete dominance and controls white spotting. One Lp allele, Lplp, produces the leopard phenotype, in which there are spots everywhere. Two Lp alleles, LpLp, produce the fewspot phenotype, in which the horse is mostly white with colored spots.

A horse that is both overo and leopard is called pintaloosa, and these horses are spotted with splotches. A horse that is overo and fewspot is considered fewspot because the white areas from Lp is indistinguishable from the white from Ov.

Suppose that 16 pairs of pintaloosa horses have one offpring per pair. How many each phenotype would be expected? Determine the number out of 16 expected for each phenotype. Only count phenotypes of offspring expected to live past one week of age. overo: white overo: fewspot:

The solution is given below:

It is very clear from the complete question that the number of:

Solid is 2

Fewspot is 3

White Overo is 0

What is a pintaloosa?

A pintaloosa is a type of horse which is produced from the breeding between overo and leopard.

So from the parameters given in the question, 2 different individuals possess genotype for overo (Ovov) phenotype.

This goes to say that just only out of the 16 pair will have an overo phenotype.

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Consider this animal cell.

The organelles in an animal cell are labeled. Part G is a bean-shaped structure with folding inside.

Which organelles are labeled G?
centrioles
lysosomes
ribosomes
mitochondria

Answers

Answer:

Mitochondria

Explanation:

Answer:

d mitocondria

Explanation:

All of the following options are examples of positive feedback EXCEPT:

a. increased strength and frequency of contractions as labor progresses

b.increased shivering and heat generation in response to cold temperatures

c. increased rate of fruit ripening in response to a gas released by nearby ripe fruit

d. increased platelet activation and recruitment to form a blood clot

Answers

Answer: The correct answer to the question is option B

INCREASED SHIVERING AND HEAT GENERATION IN RESPONSE TO COLD TEMPERATURES.

Explanation: Homeostasis is maintained by the control systems that detect and respond to changes in the internal environment, this is achieved effectively by the detector,control centre and the effector.

This dynamic process allows for the constant readjustment of many physiological variables.

Nearly all are being controlled by negative feedback mechanisms, positive feedback is much less common but important example is;

increased platelet activation and recruitment to form a blood clot and control of uterine contraction during childbirth.

The body temperature is one of the physiological variable that is controlled by negative feedback mechanism.

When the body falls below the preset level (close to 37°C), This is detected by specialised temperature sensitive nerve endings in the hypothalamus of the brain,where the body's control centre is located,the centre then activates mechanisms that raise the body temperature (the effectors). these includes;

- Stimulation of skeletal muscles causing shivering.

- Narrowing of the blood vessels in the skin reducing the blood flow to,and heat loss from the peripheries.

- Behavioural changed example; we put in more clothes to curl up.

When the body temperature rises within the normal range again,the temperature sensitive nerve endings are no longer stimulated,there signal to the hypothalamus will stop, therefore,the shivering stops too and the blood flow to the peripheries return back to normal.

This clearly explains option B which is the the correct answer of a negative feedback mechanism.

I like cheese do yall like cheeeeseeeee​

Answers

Answer: I like cheese

Explanation:

Chymotrypsin, trypsin, and elastase are digestive enzymes called serine proteases. The serine proteases differ in substrate specificity. Chymotrypsin cleaves peptide bonds after aromatic or bulky hydrophobic side chains, trypsin requires basic amino acid residues, and elastase cleaves bonds following small uncharged side chains.

Which of the following amino acids have side chains that fit into the specificity pocket of chyrmotrypsin?

a. glycine
b. arginine
c. phenylalanine
d. alanine
e. aspartate
f. tyrosine

Answers

Answer:

The correct options are:

c. phenylalanine

f. tyrosine

Explanation:

The specificity of the pocket of chymotrypsin is for aromatic aminoacids o amino acids with bulky hydrophobic chains. From the list of amino acids, the aromatic amino acids are phenylalanine (with a phenyl group) and tyrosine (with a phenolic group).

From the rest, there are not amino acids with bulky hydrophobic side chains. Arginine has a 3-carbon side chain but it has a polar guanidino group, so it is not a bulky hydrophobic R-group. Alanine is hydrophobic but it is not bulky - it has only a methyl (-CH₃) group as R-group. Aspartate is not hydrophobic neither aromatic. Finally, glycine is very simple, it has only a -H as R-group.

who would win in a fight and how? Silver carp or paddlefish

Answers

Answer:

silver carp hope it helps

Based on the information provided. In which domain would the organism be classified?

Protista
Eukarya
Bacteria
Archaea

Answers

Answer:

Archaea

Explanation:

Archaea Bacteria are the only bacteria that can adapt in crazy and impossible environments, Such as an underwater Volcano

It’s B there answer is B

What are phanerograms

Answers

Answer:

Phanerogams are terrestrial plants and more advanced than the cryptogams. These are also called as flowering plants. Following are the characteristic features of phanerogams: They have well-differentiated plants i.e. the plant body is divided into distinct root, shoot, and leaves.

The spermatophytes, also known as phanerogams or phaenogams, comprise those plants that produce seeds, hence the alternative name seed plants. They are a subset of the embryophytes or land plants.

What is waste Management

Answers

Waste management involves the regular collection, transportation as well as processing and disposal or recycling and monitoring of different types of waste materials. These services can save your business a considerable amount of money, and can also prevent the environment from being harmed.



I also said why it’s important, I hope it helps. Have An amazing day! :)

Two nitrogen-containing groups are used to make urea in liver cells. What two molecules of the urea cycle contribute these two nitrogen

Answers

Answer:

NH4+ and aspartate are the two molecules of the urea cycle contribute these two nitrogen.

Explanation:

Two nitrogen-containing groups are used to make urea in liver cells. The nitrogen atoms enter the urea cycle as NH4+ and aspartate. The first step of the urea cycle take place in liver mitochondria. In liver mitochondria, NH4+ combines with HCO3- to form carbamoyl phosphate.

So,

NH4+ and aspartate are the two molecules of the urea cycle contribute these two nitrogen.

Ammonia and aspartate are the two molecules of the urea cycle contribute

these two nitrogen used in the formation of urea.

These compounds are produced in the liver through the breakdown of

amino acids in the liver. The amino acids undergo transamination and

deamination reactions which results in the formation of these compounds.

The ammonia which is highly toxic is converted into urea which is then

excreted from the body.

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In your own words, explain the process of DNA replication. As a part of this, describe all enzymes and what they do.

Answers

DNA replication requires other enzymes in addition to DNA polymerase, including DNA primase, DNA helicase, DNA ligase, and topoisomerase.
It is the process of which dna makes a copy of itself during cell division

28. How are sexual reproduction and asexual reproduction different?
a. Sexual reproduction produces offspring identical to the parents, but asexua
reproduction produces offspring with traits from both parents
b. Asexual reproduction produces offspring identical to the parents, but sexual
reproduction produces offspring with traits from both parents
c. Sexual reproduction only occurs in multicellular organisms, but asexual
reproduction only occurs in unicellular organisms
O
d. Asexual reproduction only occurs in multicellular organisms, but sexual
reproduction only occurs in unicellular organisms

Answers

Answer:

B. Asexual reproduction produces offspring identical to the parents, but sexual

reproduction produces offspring with traits from both parents

Answer:

B.Asexual reproduction produces offspring identical to the parents, but sexual reproduction produces offspring with traits from both parents.

Explanation:

I just did a test on it.

{Hope this helps} : )

A group or population that share the same beliefs in a god or gods, have the same sacred literature, and observe similiar rituals of their faith

Answers

kno yes i pidust aniotesu qdbaery r vs aAnswer:it

kefa oot sitc  bsExplanation:it

• What is a virus? What are its components/structure and how does it affect the human immune system?
• What is the difference between a virus and a bacterium?
• Identify three ways that viruses and infectious diseases can be transmitted to humans and from human to human contact.

Simple short and easy search it up but try to use your own words instead of copying straight from the internet please

Answers

Answer:

Question 1 : A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea.

Question 2 (how does it affect the human immune system?) : Via cytotoxic cells. When a virus infects a person (host), it invades the cells of its host in order to survive and replicate. Once inside, the cells of the immune system cannot 'see' the virus and therefore do not know that the host cell is infected.

Question 3 (what are its components?) : The simplest virions consist of two basic components: nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.

Question 4 (what is a viruses structure?) : All viruses contain nucleic acid, either DNA or RNA (but not both), and a protein coat, which encases the nucleic acid. ... Some viruses are also enclosed by an envelope of fat and protein molecules. In its infective form, outside the cell, a virus particle is called a virion.

Question 5 : As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.

Question 6 : through the air, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.

Explanation:

What does this mean: +.90 in psychology

Answers

Answer:

Humanitarianism, compassion, and idealism

Explanation:

90 is a number of Humanitarianism, compassion, and idealism the numerology number 90 is a number of humanitarianism, compassion, and idealism. it is a number of philanthropy and tolerance.

what is the correct way to classify organisms in science

Answers

All living organisms are classified into groups based on very basic, shared characteristics. Organisms within each group are then further divided into smaller groups. These smaller groups are based on more detailed similarities within each larger group.

How are muscle cells and bone cells similar

Answers

Answer:  A.   Both make it possible for you to respond to your environment by moving.

Explanation:

What does animal cells have that plant cells don't have?

Answers

Plant cells do not have centrosome and lysosomes, but animal cells do.

Is Hydrophobie and lipophillic the same

Answers

Answer:

Hydrophobic molecules in water often cluster together, forming micelles. Hydrophobic is often used interchangeably with lipophilic, "fat-loving". However, the two terms are not synonymous. While hydrophobic substances are usually lipophilic, there are exceptions, such as the silicones and fluorocarbons.

Explanation:

A set of full-sibling juvenile wolf spiders was divided into two groups. One set was reared in low-temperature conditions, while the other set was reared in high-temperature conditions until they were adults. As adults, each individual was exposed to a predator at a moderate temperature and the groups exhibited very different escape behavior—those reared in low-temperature conditions fled sooner than those reared in high-temperature conditions. Which of the following can be concluded from these data?

a. Antipredator behavior exhibits a gene-environment interaction
b. Antipredator behavior is heritable
c. Antipredator behavior changes over time
d. There is an environmental influence on antipredator behavior
e. Genes and the environment affect antipredator behavior

Answers

Answer:

e. Genes and the environment affect antipredator behavior

Explanation:

Based on the data that was derived from the study we can conclude that Genes and the environment affect antipredator behavior. This is because regardless of the difference in the environment they were reared in both groups fled from the predator which is a genetic trait that has been passed down from generation. Yet, the group reared in low-temperature conditions fled sooner than those reared in high-temperature conditions meaning that the environment has affected the survival and antipredator behavior of the spiders.

What determines how a mineral cleaves? O A. The color of the mineral O B. The size of the mineral O c. The presence of silicates O D. The strengths of the bonds between atoms​

Answers

Answer:

D. The strengths of the bonds between atoms

Explanation:

Explain the experimental results that are seen in the absence of microsomes.

Answers

Answer:

The absence of microsomes allows the synthesis of only one protein.

Explanation:

The absence of microsomes influences the production of a single protein. This protein is vulnerable to protein and it can digest it quickly. This shows that the protein does not have a double layer of membrane and therefore must be treated with substances that help it overcome this vulnerability. This protein also does not have sugars linked to nitrogen and therefore should be treated with substances that are relevant, such as endoglycosidase H.

The diagram shows two cells. Identify structures C, D, and E and explain how they work together to perform a specific process within the cell. Enter your answer in the space provided.

Answers

Answer:

C is the ribosome, D is the rough ER, E is the Golgi body. Ribosomes help make proteins, the rough ER makes proteins, and the Golgi body processes and delivers proteins.

Explanation:

Rough endoplasmic reticulum, or rough ER, is the term for the regions formed when these membrane-bound ribosomes coat the surface of the ER.

What is the role of endoplasmic reticulum?

In both prokaryotes and eukaryotes, the translation of proteins is the main job of the ribosomes.

The big ribosomal subunit of the ribosome binds to the ER membrane and subsequently carries out protein translation there.

The Golgi complex before being delivered to their final locations, the endomembrane system is first introduced into the ER.

Different domains that are made up of sheets, tubules, and the nuclear envelope carry out the diverse ER tasks.

Therefore, C is the ribosome, D is the rough ER, E is the Golgi body.

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I am writing an essay and I need help plz.

Answers

so for this i don’t know i hope someone helps yaaa! good luck

Please help!!

how does pinocytosis work

Answers

Answer:

Is a mode of endocytosis in which small particles suspended in extracellular fluid are brought into the cell through an invagination of the cell membrane, resulting in a suspension of the particles within a small vesicle

Explanation:

Hope that helps!

Previous research shows that, in humans, the pelvic opening tends to be wider in females than males

1. Generate a hypothesis about what cause this pattern (pelvis wider in females than in males).

2. Describe the type or types of data you would ideally collect to test this hypothesis

3. Describe what hypothesis data might support the hypothesis (For example, the hypothesis would be supported if we found data that indicated....)

4. Describe what hypothetical data might regret the hypothesis and how would you rewrite your hypothesis to account for your findings and begin again.

Answers

Answer:

1. Pelvis is wider in females due to it is an anatomical feature that allows the childbirth

2. A study aimed at determining if the size of the pelvis shows association with problems during childbirth

3. Females with smaller pelvis frequently have problems during childbirth

4. Populational biases in the data regarding ethnicity, age, etc

Explanation:  

A hypothesis is a proposed explanation for a given phenomenon from the real world. A scientific hypothesis needs to be tested by experimentation or observational procedures. A good hypothesis must fulfill two key requirements  1- it must be-testable, i.e., capable of being proved by using the scientific method, and 2-falsifiable, i.e., it must have a possible negative answer.

How do you age structure diagrams predict the growth of a population

Answers

Answer:

Are age-structure diagrams useful in predicting future population trends? How? Yes, age-structure diagrams allow scientists to determine if the number of individuals likely to have children will increase or decrease in the future.

In an unstable environment where growing conditions are constantly changing, which mode of reproduction in plants provides the best chance for survival, and why?


Sexual reproduction; it increases the chance of survival by producing many genetically identical offspring.

Sexual reproduction; it increases the chance of survival by producing many genetically identical offspring.

Asexual reproduction; it increases the chance of survival by introducing little genetic variation in offspring.

Sexual reproduction; it increases the chance of survival by introducing genetic variation in offspring.

Asexual reproduction; it increases the chance of survival by producing many genetically different offspring.

Answers

Answer:

The answer is D

Explanation:

Please help!!!
If oxygen atoms are in low concentration outside of a cell, but the cell requires more oxygen, how will the cell move the oxygen inside the membrane?

Answers

Answer:

Simple Diffusion across the Cell (Plasma) Membrane. The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.

Explanation:

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