Which describes the correct order of events in the spread of disease? a. pathogens → exposure → sickness b. sickness → pathogens → exposure c. exposure → sickness → transmissiond. transmission → exposure → sickness

Answers

Answer 1

A microorganism or pathogen, such as a virus, bacteria, parasite, fungus, or protozoa, must be exposed in order for an illness to be classified as infectious. Hence option (A) is correct.

The correct response is exposure to germs and illness. Incubation, prodromal, sickness, decline, and convalescence are the five stages or phases of a disease, sometimes known as its five phases or periods. An infection causes a disease through a process known as pathogenesis. One of the pathogenic mechanisms of viral disease is the implantation of the virus at the portal of entry, followed by local replication, dissemination to target organs (disease sites), spread to sites of virus shedding into the environment, and transmission to further sites.

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Which describes the correct order of events in the spread of disease? a. pathogens -> exposure ->sickness b. sickness -> pathogens -> exposure c. exposure -> sickness -> transmission d. transmission -> exposure -> sickness.


Related Questions

Water has a relatively high specific heat capacity that affects the boiling point of water compared to other molecules that are similar in shape and size. Explain the chemical properties that cause water to have a relatively high specific heat.

Answers

Answer:

first one

Explanation:

HOPE THIS HELPS GUYSS!!!!

Water's properties high heat capacity caused by hydrogen bonding, after absorption of heat, hydrogen bonds are broken and water molecules can move freely.

What are the properties of water ?

Water is the chemical substance represents as H2O that is two hydrogen atoms covalently bonded to a single oxygen atom in one water molecule.

It is a colorless and tasteless have hydrogen bonds resulting present in the condensed form.

It has high melting and boiling points, with high specific heat, thermal conductivity, surface tension, dipole moment, etc.

It is an excellent solvent and helps in the transportation of ions and molecules, high latent heat of vaporization which maintain the body temperature.

Water is amphoteric in nature as it act as both acid and base, some electropositive elements reduce water to hydrogen molecule.

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Which of the following is the best explanation for the role of protein in a human's
diet?
A. Breaks chemical bonds for an energy source.
B. Provides energy for respiration.
C. Builds and maintains muscle.
D. Provides insulation and maintains homeostasis.

Answers

Answer: B

Explanation:

Select the correct answer from each drop-down menu.
A researcher was studying mutations in bacteria. He found that certain bacteria had changes in their DNA that allowed them to be resistant to antibiotics. This research is an example of
. The mutation will lead to

Answers

The researcher studying mutations in bacteria and discovering that certain bacteria had DNA changes leading to antibiotic resistance is an example of genetic adaptation. The mutation in bacteria's DNA enables them to survive and multiply even in the presence of antibiotics, making them resistant to the drugs.

1. The researcher's study revolves around mutations in bacteria.

2. The researcher finds specific changes in the DNA of bacteria.

3. These DNA changes enable the bacteria to be resistant to antibiotics.

4. This discovery showcases genetic adaptation in bacteria.

5. Genetic adaptation refers to the process in which organisms undergo genetic changes that allow them to survive and reproduce better in their environment.

6. In this case, the bacteria's mutation in their DNA provides them with the ability to resist the effects of antibiotics.

7. Antibiotic resistance allows the bacteria to survive and multiply even in the presence of drugs that would typically inhibit their growth or kill them.

8. The ability to resist antibiotics is advantageous for the bacteria, as it enhances their chances of survival in environments where antibiotics are present.

9. This research highlights the importance of understanding genetic adaptations in bacteria, as it helps in developing strategies to combat antibiotic resistance and improve medical treatments.

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What general shape do water molecules have?

long chain
circular
straight
bent angle

Answers

Answer:

Your answer should be bent angle

Explanation:

A water molecule consists of two hydrogen atoms bonded to an oxygen atom, and its overall structure is bent. This is because the oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of unshared electrons. Hope this helped :)

what happens after we die ? i'm 100% sure that no ones knows but, anyways.

Answers

Answer:

When the moon is full, it is on the opposite side of the Earth from the sun.

Explanation:

Hope it helps!!!!!

Answer:

We go to hell or heaven depending

If u go to hell u will have the most un mercy punishment and if u go to heaven u get to live ur best life

While doing yardwork, I noticed tan bumps near the base of a tree trunk. They were about 3cm tall and smooth. The next day, I noticed 7 more bumps; now some were 5cm tall and seemed to have a narrow base and an umbrella-like top. By the end of the week I noticed that my tree had bare patches on its trunk all round the bumpy area.

Answers

i'm not sure what the question is but..

they're fungi/ decomposers

it ate up all the dead bark for the tree they had reproduce

i hope that help i'm still learning the subject

the melanocytes of the choroid in the eye produce what layer

Answers

Answer:

the uvea

Explanation:

Hope this helps!

Answer:

Melanocytes are found in the middle layer of the eye, known as the uvea, composed of the choroid, the iris and the ciliary body.

organize at least seven of your body's cell processes that require energy

Answers

Answer:

search up the question and you find lots of accurate results

Energy is required for a variety of vital biological and cellular functions, including ATP hydrolysis. These include active transport, Purinergic signaling, synaptic signaling, intracellular signaling, DNA and RNA synthesis, and muscular contraction.

What do you understand by cell ?

The fundamental units of all living things are cells. There are many billions of cells in a human body. They provide the body structure, absorb nutrients from meals, turn those nutrients into energy, and perform certain tasks.

Adenosine triphosphate molecules directly provide the energy needed for cellular functions (ATP). One adenosine molecule and three phosphate groups, or Pi for short, make up ATP. The chemical energy that is stored in each ATP molecule is not very large. By dissolving ATP into adenosine diphosphate (ADP) and a phosphate group, this energy may be released.

The energy process include active transport, Purinergic signaling, synaptic signaling, intracellular signaling, DNA and RNA synthesis, and muscular contraction.

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(20 points) Aerobic cellular respiration takes place in the mitochondria and uses oxygen to break down glucose. However, when cells need large amounts of energy and no oxygen is available, anaerobic respiration can take place in the cytoplasm. What is the difference in the products of aerobic and anaerobic cellular respiration?

(20 points) Aerobic cellular respiration takes place in the mitochondria and uses oxygen to break down

Answers

Answer:

pretty sure its

Explanation:

Mitosis maintains complex organisms by which of the following processes?
A) the removal of waste from the body
B) the exchange of gas with the environment
C) the formation of sperm and egg
D) the healing of a cut after an injury

Answers

Answer:

In multicellular organisms, individual cells grow and then divide via a process called mitosis, thereby allowing the organism to grow. ... Cellular division and differentiation produce and maintain a complex organism, composed of systems of tissues and organs that work together to meet the needs of the whole organism.

Explanation:

C. The formation of sperm and egg.

the polymer that has phosphorus in it's essential structure is ?​

Answers

The polymer is Nucleic Acid. Nucleic acids have CHONP (I like to remember the acronym as chomp) Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus! :)

name the product of the process known as chemiosmosis

Answers

Chemiosmosis is involved in the generation of adenosine triphosphate (ATP), the primary chemical used by the cell for energy.

What do you mean by chemiosmosis?

Chemiosmosis is the passage of ions down an electrochemical gradient over a semipermeable membrane bound structure. The generation of adenosine triphosphate (ATP) by the transport of hydrogen ions (H+) across a membrane during cellular respiration or photosynthesis is a good example. When ions flow through a channel, they generate potential energy, which can be used to power chemical reactions (red). Hydrogen ions, or protons, will diffuse from a high proton concentration zone to a low proton concentration region, and an electrochemical concentration gradient of protons across a membrane can be used to generate ATP. This process is similar to osmosis, the passage of water through a selective membrane, which is why it is named "chemiosmosis".

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How is it that all cells have the same DNA, but there can be many different types of cells?

Answers

Answer:

each cell deploys its genome and play different role

Explanation:

All of the following are possible benefits of studying diseases except

finding out more about chimpanzee behavior

finding new treatments for high cholesterol

finding ways to reduce the risk of heart attacks

finding ways to prevent Alzheimer's disease

Answers

Possible benefits of studying diseases are finding out more about chimpanzee behavior.

How can understanding diseases improve our understanding of other species like chimpanzees?

Understanding diseases can improve our understanding of other species like chimpanzees by providing insights into their biology, physiology and evolution. For example, by studying the diseases that chimpanzees are susceptible to in the wild, scientists can gain a better understanding of their immune systems and how they have evolved to cope with pathogens in their environment. Additionally, by comparing the diseases that chimpanzees develop with those that affect humans, researchers can gain insight into the shared ancestry of the two species and the evolutionary pressures that have shaped their immune systems. Additionally, by studying diseases that affect chimpanzees, scientists can also better understand the impacts of habitat loss and human activities on their health.

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In watermelons, the gene for green fruit (G) is dominant to the gene for striped fruit, and the gene for round shape (R) is dominant to the gene for oval shape. Suppose a plant with genotype GGrr, is crossed with a plant with genotype ggRr. What would be the expected phenotypes among the offspring?
 
F. 100% green and oval.

G. 50% striped and round; 50% striped and oval.

H. 100 % green and round.

J. 50% green and oval; 50% green and round. 


Answers

Answer:

It's J

Explanation:

It's a 50/50 chance as the both alleles are dominant

in cervical cancer, which cancer cells that cover the cervical tip are most likely to be abnormal?

Answers

In cervical cancer, the cells that cover the cervix, known as squamous cells, are most likely to be abnormal. Squamous cells are flat, thin cells that make up the outermost layer of the cervix, which is the narrow opening to the uterus that connects the vagina.

The majority of cervical cancers are squamous cell carcinomas, which means they develop in the squamous cells that line the surface of the cervix. Squamous cell cervical cancer usually develops slowly, over a period of years, and is typically preceded by a precancerous condition called cervical dysplasia, in which abnormal cells are present on the surface of the cervix.

In addition to squamous cell cervical cancer, there is also a less common type of cervical cancer called adenocarcinoma, which develops in the glandular cells of the cervix. However, squamous cell cervical cancer is the most common type of cervical cancer and the one most likely to be detected through routine Pap smear screenings.

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An organism that eats another organism is called a
a. vertebrate
c. invertebrate
b. consumer
d. embryo
Please select the best answer from the choices provided
Ο Α
ов
ос
OD

Answers

Answer:

I think it's embyro

Explanation:

Which other species is the Bat Eared Fox most closely related to on the dadogram? Look up that species, list it below and write down 5 features of this
species
a Scientific name,
b. Common name
c. Description/feature

Which other species is the Bat Eared Fox most closely related to on the dadogram? Look up that species,

Answers

According to the most recent research, the true foxes of the genus Vulpes are very similar to the bat-eared fox.

They stand out because they have a triangular face, pointed ears with an elongated rostrum, a bushy tail, and retractable claws, unlike other members of the Canidae family.

Is a fox with bat-eared ears real?

Because of their surprising teeth, Bat-eared Foxes were once thought to be as a particular subfamily of canids (Otocyoninae). Nonetheless, as per later assessments they are firmly connected with the genuine foxes of the family Vulpes. According to other studies, the genus is considered an outgroup that is not very closely related to foxes.

Habitat:

In Africa, the bat-eared fox can be found in two distinct regions. One population lives from Sudan to Tanzania in east Africa. A subsequent populace is in southern Africa. Savannas and grassy plains with little precipitation are their favorite habitats.

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What structure in the female reproductive system produces eggs?

Vagina
Ovary
Fallopian tube
Cervix

Answers

The answer is “Ovary”

Ovary structure in the female reproductive system produces eggs. Thus, the correct option is B.

What is female reproductive system?

The uterus, fallopian tubes, ovaries, and the vagina are a woman's internal reproductive organs. The muscular, hollow tube known as the vagina connects the uterus to the vaginal opening. The muscular walls of the vagina allow it to expand and contract.

The primary roles of the female reproductive system are to produce eggs (ova) that can be fertilized and to create the environments and space necessary for a baby to grow. The female reproductive system also possesses the components required for a man's sperm to interact with a woman's ova in order for this to occur.

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Which of the following statements is not correct about oxidative decarboxylation?
a. it takes place in mitochondrial matrix
b. two molecules of NADH are produced by one molecule of pyruvate
c. pyruvate dehydrogenasee i used as catalyst in thi reaction
d. two molecules of NADH are produced by two molecules of pyruvate

Answers

During oxidative decarboxylation, which is a crucial step in cellular respiration, pyruvate is converted into acetyl-CoA. In this process, one molecule of pyruvate produces one molecule of NADH, not two. The correct option is B.

The conversion of pyruvate to acetyl-CoA involves the action of the pyruvate dehydrogenase complex, which includes multiple enzymes and coenzymes, but it does not produce two molecules of NADH per pyruvate.

The correct scenario is that two molecules of NADH are produced by the oxidative decarboxylation of two molecules of pyruvate.

This occurs during the transition from glycolysis to the citric acid cycle, where each pyruvate molecule is converted into one molecule of acetyl-CoA, generating one molecule of NADH in the process.

Therefore, the correct statement is (B) that two molecules of NADH are produced by two molecules of pyruvate.

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Select all of the following that are present in both prokaryotic cells and eukaryotic cells.
- nucleus
- cytoplasm
- pigments
- DNA
- RNA
- ribosomes

Answers

DNA, RNA, ribosomes, pigments, cytoplasm, and prokaryotic and eukaryotic cells all contain these components.

Are mitochondria present in eukaryotes and prokaryotes alike?

There are mitochondria only in eukaryotic cells. Only eukaryotic cells contain the mitochondria, a cytoplasmic membrane-bound organelle. Mitochondria are not present in prokaryotic cells, which include bacteria and archaea.

Why do prokaryotes lack mitochondria?

They lack a nucleus, thus the genetic material inside each cell is free to move around. Furthermore, eukaryotic cells' many membrane-bound organelles are absent from prokaryotes. Prokaryotes lack mitochondria as a result. Some cell types, including red blood cells, are completely devoid of mitochondria. Bacteria and archaea are prokaryotic creatures and lack mitochondria.

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What are the 4 main divisions of plants?
1.Nonvascular (aka, bryophytes) (example: ______________________)
2.Vascular Seedless (aka, pteridophytes) (example: ______________________)
3.__________________ (example: ______________________)
4.__________________ (example: ______________________)

Answers

Answer:

Points boiiiiiiisssssssssssss

Explanation:

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST ITS FOR TODAY PLS AND TY

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST ITS FOR TODAY PLS AND TY

Answers

Answer:50 or 100

Explanation: i think lol

How are eukaryotic and prokaryotic cells similar?


A.Both contain cell walls

B.Both contain ribosomes

C.Both contain membrane-bound organelles

D.Both contain a nucleus

Answers

Both contain ribosomes

what are the main emotions that lady macbeth shows in her sleepwalking scene?

Answers

In Lady Macbeth's sleepwalking scene in Shakespeare's play Macbeth, she exhibits a range of emotions.

"Macbeth" is a famous tragedy written by William Shakespeare, believed to have been first performed in 1606. It tells the story of a Scottish nobleman named Macbeth who is driven by ambition and influenced by supernatural forces to commit regicide (the murder of a king) in order to seize the throne.

The play explores themes of ambition, power, guilt, and the consequences of unchecked ambition. It delves into the psychological turmoil of Macbeth as he grapples with his choices and faces the consequences of his actions.

At the beginning of the play, Macbeth encounters three witches who prophesy that he will become the King of Scotland. Encouraged by his ambitious wife, Lady Macbeth, he succumbs to his desire for power and begins a treacherous path of murder and deception. As Macbeth ascends to the throne, he becomes increasingly paranoid and faces inner turmoil as guilt and hallucinations haunt him.

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Which one is the correct equation for calculating density? *
Density - Mass / Volume
Density - Mass / Weight
Density - Volume / Mass
Density = Volume / Weight

Answers

Answer: Density=Mass/Volume

Explanation:

Answer:

\(density = \frac{mass}{volume} \)

explanation :

here some examples

the mass of 20 cm³ of mercury is 272g. calculate it density of mercury.

\(density \\ = \frac{mass}{volume} = \frac{272g}{ {20cm}^{3} } \)

answer :-

\( = 13.6g \: {cm}^{ - 3} \)

what do the genioglossus, hyoglossus, and styloglossus muscles have in common

Answers

The genioglossus, hyoglossus, and styloglossus muscles are all muscles of the tongue. They originate from different parts of the skull and attach to different parts of the tongue, but they work together to move the tongue during speech, swallowing, and other oral functions.

The muscles of the tongue are a group of small, specialized muscles that are located entirely within the tongue itself. They are responsible for controlling the precise movements and shape of the tongue during various oral functions, such as speech, swallowing, and chewing. Additionally, these muscles work together to help move the tongue in various directions, such as protrusion, retraction, and elevation. They are also innervated by branches of the hypoglossal nerve.

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Which genes are turned on or off In a nerve cell?

Answers

I think it's called an epigenetic, but im not sure

One oak tree cell with 14 chromosomes undergoes meiosis. How many cells will result from this process,???

Answers

Answer:

Four (4) cells

Explanation:

Meiosis is the type of cell division in which four daughter cells that are genetically different is produced. The daughter cells are gametes that have undergone a reduction in their chromosome number (by half).

For example, one cell of an oak tree with 14 chromosomes is said to undergo meiosis. This means that, based on the explanation of meiosis above, the oak cell will give rise to four (4) daughter cells containing 7 chromosomes each.

does only the nucleus of a cell is protoplasm is that true or false​

Answers

Answer:

False

Explanation:

Answer:

False.

Explanation:

protoplasm include cytoplasm and other organelles too.

the nucleus is one of the constituent of the protoplasm.

Good luck ✅.

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