How does bacteria cause disease?

Answers

Answer 1

Answer:

Bacteria cause disease by secreting or excreting toxins (as in botulism), by producing toxins internally, which are released when the bacteria disintegrate (as in typhoid), or by inducing sensitivity to their antigenic properties (as in tuberculosis).

btw :

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Related Questions

(a) Describe why DNA replication is said to be a semiconservative process. Explain how random mutations such as those in pathogens with a mutator phenotype may arise in the DNA of an organism.

Answers

Explanation:

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sainyo

amoeba sisters: nature of science

Answers

Answer:

The scientific mrthod is a process used by scientists to find answers to a question or to solve a problem. No there isn't just one because there are several versions of the scientific method. Some versions have more steps, while others may have only a few. Scientists can add steps, take out steps, revise, or make models.

The scientific method is a systematic approach used by scientists to investigate and understand the natural world.

It consists of a series of steps that guide the process of conducting scientific research and acquiring knowledge.

While there is a general framework for the scientific method, it is important to note that there is no single, universally accepted version of it.

The exact steps and emphasis may vary depending on the field of study, the specific research question, and the nature of the scientific inquiry.

Different branches of science may have their own specialized methodologies and techniques.

For example, the methods used in social sciences or qualitative research can differ significantly from those used in the natural sciences.

Thus, this is all about scientific methods.

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What are the characteristic of a cell?

Answers

Answer:

All cells have a cell membrane, cytoplasm, and DNA. cells differ in how their genetic information is contained. All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.

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Explanation:

Droughts occur due to climate change and elevated temperatures, which in turn may lead to other consequences as well. Imagine that a wildfire happened in the nature reserve. Predict what would happen if such an environmental shift that is so extreme and rapid
hits the nature reserve and the population of deer mice does not have time to adapt. Propose a possible solution for this problem.

Answers

Answer:

Research shows that changes in climate create warmer, drier conditions. Increased drought, and a longer fire season are boosting these increases in wildfire risk. ... Changes in climate add to these factors and are expected to continue to increase the area affected by wildfires in the United States.

The reason it is called a Frameshift mutation is because it alters the "reading frame" of the bases. The bases are normally read as

A. codons, in groups of 3

B. nitrogen bases, in groups of 2

C. anti-codons, in groups of 4

Answers

Answer:

A. codons, in groups of 3

Explanation:

The reason it is called a Frameshift mutation is because it alters the "reading frame" of the bases. The bases are normally read as codons, in groups of 3.

codons, in groups of 3. The reason it is called a Frameshift mutation is because it alters the "reading frame" of the bases. The bases are normally read as codons, in groups of 3.

What are Codons?

Codons are units of genomic information made up of three nucleotides (trinucleotides) in DNA or RNA that code for a specific amino acid or indicate the end of protein synthesis (stop signals).

There are 64 distinct codons, of which 3 serve as stop signals and 61 identify amino acids.

The messenger RNA is made using the DNA as a template, which is subsequently used to create a particular protein. The bases that make up DNA and the associated messenger RNA are called bases. These nucleotides are frequently identified in RNA by the letters A, U, C, and G.

Therefore, Codons, in groups of 3. The reason it is called a Frameshift mutation is because it alters the "reading frame" of the bases. The bases are normally read as codons, in groups of 3.

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John is a 34-year-old homosexual man diagnosed with HIV 2 years ago. He has come to your office for a follow-up appointment and has several concerns he would like addressed. Before his current appointment, you requested John have blood drawn to assess how the current regimen of medications has been working. What factors are you checking? Select all that apply. HIV viral load HIV antibody levels Antibodies for CD4 cells CD4 number CD4:CD8 ratio

Answers

Answer:

The correct answer is -

HIV viral load

HIV antibody levels

CD4 number

CD4:CD8 ratio

Explanation:

The doctor wants to check the current condition of HIV and its effects on the body of John and how are the medicines are helping. So he must be checking the viral load which means how much virus present in the blood. The level of antibodies gives the idea of antibodies produced by the body in response to infection with HIV.

The levels of CD4 cells are assessed as they are affected by the HIV virus along with CD8 cells. Antibodies are not produced against CD4 cells. Antibodies are generally for diagnosis only.

Plz im begging you for a answer, my teacher is checking my progress!!!!!!!!!!!!!!!!!!!!!!!!!
Anthropologists have concluded that modern day humans originated from the continent of Africa. Looking at the distribution of skin tones we now see all over the world today explain why this pattern is makes sense for what we see today.

MUST USE AND HIGHLIGHT THE FOLLOWING KEY TERMS: variation, direct sunlight, UV radiation, Vitamin D, folate (folic acid), equator, evolution, parents, offspring, Africa, survival, natural selection, genes, latitude, adapt/adaptation

Answers

Answer:This pattren makes sense for what we see evryday is beacause each skin color come from somewhere like the skin color white it moslty comes from english speaking countries.

Explanation:Hope it helped

Which of the following is a subsystem of an organism?Please explain and I give you 5 stars.
A.cell
B.organ system
C.tissue
D.all of the above

Answers

Answer:

D

Explanation:

In multicellular organisms, the body is a system of multiple, interacting subsystems. Subsystems are groups of cells that work together to form tissues. Interactions are limited to the circulatory, excretory, digestive, respiratory, muscular, and nervous systems.

D. All of the above

What other major body system is a DIGESTIVE system working with closely?

Answers

Answer:

circulatory system

Explanation:

Where do you think the nutrients from the food that you eat go after digestion? The entire point of eating is to get energy and nutrients tot he other parts of the body and to do that you need the circulatory system.

Which is associated with weak light rays that travel in different directions?

Answers

Answer:

"scattering" that would be the correct answer :)

Explanation:

hope it helps

what do ribosomes do in animal cells

Answers

Ribosomes are minute particles constisting of RNA and associated proteins that function to synthesize protiens. Proteins are needed for many cellular function such as repairing damage or directing chemical process. Ribosomes can be found floating within the cytoplasm or attached to the endoplasmic reticulum.

a square and a triangle can be intersect in

Answers

A Triangle consists of 3 line segments, each of which is a subset of a line. So each segment can clearly not intersect the square more than twice


[tex]\huge\mathfrak\pink{please \: help \: ...} \\ \\ \huge\mathcal\green{what \: is \:DNA ? } \\ \\ \ \textless \ br /\ \textgreater \ \huge\mathfrak\purple{Have \: a \: nice \: day ✓✓ ...}[/tex]

Answers

DNA is a complex molecule that contains all of the information necessary to build and maintain an organism.

Answer:

Deoxyribonucleic Acid [DNA]

Explanation:

DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism.

viruses are a chain between living and nonliving beings . they are obligatory paracites and have either RNA or DNA .

Calculate during one year, the birth rate in a country is 28 births per 1000 people, and the death rate is six deaths per 1000 people what is the population growth rate?

Answers

Answer:

27

Explanation:

what are cells surrounded and protected by?

Answers

Answer:

cells are surrounded by a structure called the cell membrane — which, much like the walls of a house, serves as a clear boundary between the cell's internal and external environments. The cell membrane is sometimes also referred to as the plasma membrane.

Answer:

The plasma membrane, or cell membrane

Explanation:

help me
After a forest fire, which type of organisms will begin secondary succession?
small shrubs
mature oaks
evergreens
wildflowers

Answers

After a fire, species start to recolonize an area, beginning the secondary succession process. The first species to colonize are usually fast growing herbaceous plants, such as conifers or ferns.

Small shrubs are the kind of organisms that start secondary succession after a forest fire. The correct option is A.

Thus, the term "secondary succession" describes the ecological recovery process that follows a disruption like a fire. Small shrubs have developed survival strategies that enable them to swiftly colonize damaged environments.

They have the capacity to emerge from subterranean structures once again or to create seeds that will take root in newly accessible sunshine and nutrients. Due to their quick growth and capacity to keep the soil stable, these shrubs facilitate the establishment and flourishing of other plant species.

Thus, the ideal selection is option A.

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Dados los elementos Ca y Cl
a) Escribir la CE (Configuración electrónica)
b) ¿Cuál de estos átomos tiende a perder electrones y cuál a ganarlos? ¿Cuál formará aniones y cual cationes?
c) Escribir la estructura de Lewis para la sustancia iónica cloruro de calcio (CaCl2).

Answers

Answer: The answer is c

Replanting trees on a bare hillside is an EXAMPLE of

Answers

Answer:

Reforestation and restoration

Answer:

Reafforestation and restoration

hope it helps

Shawna is writing a paper for her science class, and she wants to include a list of luminous objects. These are objects that produce and emit
their own light. Objects that are not luminous, also called illuminated objects, only reflect light.
Which list should Shawna add to her paper?

Answers

Answer:

The sun, the star Proxima Centauri, and the star Polaris.

Explanation:

The sun and stars emit light on their own, therefore they are luminous.

what does the picture show??

Answers

Answer:

Population

Explanation:

An Organism would be 1 single mouse, a community encompasses multiple animals living in that same area, a niche has to do with where they are living and how they interact, so only the population makes sense.

What are the living things that are best adapted to their environment will be more likely to survive

Answers

Answer: They are more likely to survive due to NATURAL SELECTION.

Explanation:

Adaptation of living organisms is the ability of these organisms to use its features which may by structural, physiological or behavioural to reproduce and survive in its environment.

NATURAL SELECTION plays an important role in the adaptation of organisms for survival. This is the process whereby the better fitted or adapted varieties of species in population are selected by environmental pressures. For example, a plant population in a region which had become drier climatically faces a water shortage problem not present previously. Among this plant population are a few individuals with a better developed root system and a thicker layer of cuticle. These individuals have a better chance of survival now because they can obtain a greater share of the limited water supply and reduce water loss from their surface more efficiently.

In the above example, the change to drier climate imposed an environmental pressure on the plant population. This affected the survival and reproduction of the individuals in the plant population in such a way that eventually a variety better adapted to the drier climate dominates the population.

What best defines gene flow

Answers

Explanation:

Gene flow is the exchange of alleles between two or more populations.

Gene flow is the exchange of alleles between two or more populations. For this reason it is sometimes referred to as allele flow or gene migration. While migrating animals often carry new alleles from one population to another, they must interbreed with the new population for gene flow to occur

Describe the rock cycle. Discuss what can happen to rock material within the
cycle and the amount of time it might take for rocks to be transformed.
PLZZ HELP I WILL GIVE U A BRAN LEAST !!!!

Answers

Answer:

The rock cycle is a constant transformation of rocks between the three rock types of igneous, sedimentary, and metamorphic. If the sediments are buried behind other layers of sediment, they can lithify and form sedimentary rock. When rocks melt, magma is formed. Rocks form deep below the Earth, move and sometimes change, rise to the surface, and eventually return to their original location.

Write a caption to describe the events shown in the illustration.

Answers

Answer:

the plasma is go out from the capillaries, therefore the capillary is incomplete because in the capillaries the plasma is recused, So the plasma is create illustration

What are 3 reasons for exploring space? I

Answers

1. Discovering new things
2. Possibly finding a new place to colonize
3. To inspire younger generations
Extra- Go and see if there is anything that could be life threatening and possibly hit the earth.

What is respiration and the types of respiration​

Answers

Answer:

Hey mate......

Explanation:

This is ur answer.....

Respiration is the process by taking in oxygen and liberating carbon dioxide from the oxidation of complex organic substances.

Three types of respiration include internal, external, and cellular respiration. External respiration is the breathing process. It involves inhalation and exhalation of gases. Internal respiration involves gas exchange between the blood and body cells....

Hope it helps!

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What is evolution?
A. A change in the gene pool over time

B. Having a gene pool

C. Sexual selection

D. Natural selection

Answers

Answer:

A. A change in the gene pool over time

Explanation:

The evolution is the change in the gene pool over time. Therefore, the option (A) is the correct answer.

2. The movement of tectonic plates and the cycling of Earth materials are
the direct result of which of the following *

Nuclear fisson
Solar radiation
Thermal convection
Magnetic attraction

Answers

Answer :

Thermal convection

Explanation :

The heat from radioactive processes within the planet's interior causes the plates to move, sometimes toward and sometimes away from each other.

Answer:

Thermal Convection

Explanation:

Just trust me, it was on my quiz for stemscopes.

what is the role of the controlling tube​

Answers

The control tube means a protective sheath for guiding the control cable. The controlling tube connects the control drive mechanism to the radiographic exposure device.

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The control tube connects the control drive mechanism to the radiographic exposure device.

Match the following.

1. the energy lost to disorder
2. related to or possessing motion
3. all of the chemical reactions in an organism required for maintenance of the processes of life
4. possible; ability to go into action or perform work
5. the study of energy and its transformations

kinetic
metabolism
entropy
potential
thermodynamics

Answers

1- Entropy
2- Kinetic
3- Metabolism
4- Potential
5- Thermodynamics

1. The energy lost to disorder - [tex]\boxed{ entropy }[/tex]

2. Related to or possessing motion - [tex]\boxed{ kinetic }[/tex]

3. All of the chemical reactions in an organism required for maintenance of the processes of life - [tex]\boxed{ metabolism }[/tex]

4. Possible; ability to go into action or perform work - [tex]\boxed{ potential }[/tex]

5. The study of energy and its transformations - [tex]\boxed{ thermodynamics }[/tex]

[tex]\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}[/tex]

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