Answer:
Microbiology is the study of microscopic organisms, such as bacteria, viruses, archaea, fungi and protozoa. This discipline includes fundamental research on the biochemistry, physiology, cell biology, ecology, evolution and clinical aspects of microorganisms, including the host response to these agents.
it is the branch of biology that studies micro-organisms (very small organisms). ... The scientific study of microorganisms. (biology) The branch of biology that deals with microorganisms, especially their effects on man and other living organisms.
the study of all living organisms that are too small to be visible with the naked eye. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'.
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During production of a drug, all work area surfaces must be disinfected using sterilized disinfectants. Which of the following statements about disinfectants are true? Select all that apply. View Available Hint(s)for Part A Disinfectants destroy all microbes present on a surface. Disinfection can be used to treat work surfaces as well as workers (i.e., washing hands). Disinfection can occur by physical or chemical means. Disinfectants are used to inhibit or destroy pathogens. Endospores and viruses can resist disinfectant treatment.
Answer: The correct options are
--> Disinfectants are used to inhibit or destroy pathogens,
--> Disinfection can occur by physical or chemical means,
--> Endospores and viruses can resist disinfectant treatment.
Explanation:
To prevent infectious diseases from spreading or to sterilise work area surfaces during the production of drugs, chemicals known as disinfectants as used. These are chemicals that kill or inhibit the growth of pathogens. Other chemicals such as antiseptics can also kill and prevent the growth of mainly pathogenic microorganisms. However, disinfectants are stronger chemicals than antiseptics and so are often used on non-living things and surfaces.
Disinfection does not necessarily kill all microorganisms, especially resistant bacterial spores (endospores) and viruses, so it is less effective than sterilisation.
There are generally two methods of disinfection:
--> The chemical method: A typical example of a chemical disinfectant is the carbolic acid. It is used for disinfecting lavatories and floors.
--> The physical method: here, physical agents are use to disrupt and damage the pathogenic organisms on work surfaces. Some typical example include: UV irradiation, heat, sunlight exposure, sonic or hydrodynamic pressure and radiation.
Which type of disease might MOST LIKELY be cured by stem cell transplantation?
Answer:
A blood stem cell transplant is used to treat patients with: multiple myeloma,lukemia and even anaemia.
I hope this helps
Which factor best explains why liquid water exists on earth
Answer:
due to atmospheric pressure
Answer:
Atmospheric pressure
Explanation:The only planet that have water bodies is earth. We know that water is one of the important factors for all living organism. Liquid water exists on the earth's surface is due to the atmospheric pressure
Briefly explain what happens during Meosis 2.
Answer:
So the cells that enter Meosis 2 are the ones that are made in Meosis 1. These cells are haploid meaning they have just one chromosome from each homologue pair. Also In meiosis II, the sister chromatids separate, making haploid cells with non-duplicated chromosomes.
Explanation:
Answer^Above
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........ provides genetic continuity from generation to generation.
a) sexual reproduction
b) fusion of gametes
c) asexual reproduction
d) meiosis
Answer:
d) meiosisExplanation:
The process of meiosis preserves genetic continuity for future offspring by ensuring that two sexually reproducing organisms produce offspring that have the same number of chromosomes as the parents.
It ensures that the offspring will be able to mate with other organisms of the same species.
what does a closed circulatory system mean?
a) The blood travels through a systemic circulation, which includes the heart and body, and a pulmonary circuit with included the heart and lungs
b) the blood flows through the heart once during each circulation of the body
c) Blood always stays entirely inside the blood vessels. A separate fluid called tissue fluid bathes the tissues and cells
im guessing
c) Blood always stays entirely inside the blood vessels. A separate fluid called tissue fluid bathes the tissues and cells
What type of cells are simple animal and plant cells?
White blood cells
Specialized cells
Unspecialized cells
Red cells
¿Como se llama ?
1.- Embrión se desarrolla dentro del sistema reproductor femenino.
2.- Formación de un organismo a partir de huevos
Answer:
1. Vivíparo
2. Ooviparismo
Explanation:
Viviparismo se define como el proceso de desarrollo de un animal en el cual el embrión crece dentro dentro del sistema reproductor femenino en una estructura acorde que le permite obtener alimento y oxígeno hasta su nacimiento. El viviparismo placentario es el tipo de desarrollo más extendido entre mamíferos (por ejemplo, perros, caballos, gatos, conejos, etc), a excepción de mamíferos que son ovíparos (por ejemplo, el ornitorrinco) y los mamíferos marsupiales que no poseen placenta y donde feto se desarrolla en una bolsa externa llamada marsupio (por ejemplo, los canguros). Por otra parte, el oviparismo es un mecanismo de desarrollo en el cual el embrión crece dentro de un huevo desde el momento que la hembra lo expulsa hacia el exterior. Cuando se produce este suceso, los embriones se encuentran muy poco desarrollados y por lo tanto deben cumplir su ciclo de crecimiento (hasta eclosionar del huevo) fuera del vientre materno. Algunos ejemplos de animales ovíparos incluyen anfibios, reptiles, aves, insectos, etc.
describe the primary differences between plant and
animal cells. Be sure to include a discussion of the various organelles specific
to each cell and how they differ between plant and animal cells
Explanation:
plant cells have cell membrane and cell wall while animal cells only have the cell membrane missing the cell wall
how is erythrocytes an advantage in exchanging and carrying
Answer:
Shape of Red Blood Cells Erythrocytes are biconcave discs with very shallow centers. This shape optimizes the ratio of surface area to volume, facilitating gas exchange. It also enables them to fold up as they move through narrow blood vessels.
How do you change ADP to ATP?
A. Add a phosphate group
B. Remove a phosphate group
C. Add an amino group
D. Remove an amino group
Question 1 of 10
Which statement is true about nitrogen and oxygen?
A They make up about 99.9% of the human body
B. They both contain no subatomic particles
O
They are both made of protons neutrons and electrons.
o
They are both used to make water molecules.
SUBMIT
magine that a scientist takes a group of Anolis lizards and introduces them into an enclosure at a research facility in continental South America. He notes that the lizards thrive in this new environment. The fact that Anolis lizards could survive in habitats outside of the Caribbean is a reflection of their ____ niche; their _____ niche is determined by their ability to disperse to other areas as well as predation and resource availability.
Answer: Fundamental, realized
Explanation:
The realized niche of a species is usually the result of predation, competition, and other types of interaction between species.
The size of realized niche is determined by interspecific competition .The fundamental niche is larger than the realized niche.
The fundamental niche represents all the habitats where a species could possibly live, but competition among different species usually restricts a species to a smaller area, which is the realized niche
Which of the following particles has a negative charge?
A. Electron
B. Nucleus
C. Proton
D. Neutron
If your body temperature gets too low, why is it dangerous?
A. Enzymes become denatured.
B. Uncontrollable shivering can be deadly.
C. Reactions become too slow for cells to survive.
D. It is not dangerous.
Answer:
Enzymes become denatured.
In case of very low body temperature, the body reactions will become slow and lead to death. The correct option is C.
What is hypothermia?When your body temperature falls, your heart, nervous system, and other organs are unable to function normally.
If left untreated, hypothermia can result in the complete failure of your heart and respiratory system, as well as death.
Thus, the correct option is C.
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all plants carry on photosynthesis true or false
Answer:
true
Explanation:
i think
What renal and hormonal factors will cause an increased release of aldosterone from adrenal cortex?
Answer:
Renin; angiotensin I and angiotensin II
Explanation:
Renin is a key hormone involved in the renin-angiotensin-aldosterone system (RAAS), which is responsible for regulating blood pressure in response to changes in blood volume. Renin is secreted primarily by the kidneys to promote the production of the peptide hormone angiotensin in the blood vessels. Subsequently, angiotensin stimulates the release of aldosterone from the adrenal cortex, stimulating sodium retention by the kidneys. Renin acts on its substrate angiotensinogen to yield angiotensin I, which is then converted to angiotensin II by the angiotensin-converting enzyme (ACE). Finally, angiotensin 2 promotes the release of aldosterone by the adrenal cortex, which acts on renal tubules, leading to the reabsorption of sodium and water and the excretion of potassium.
What is produced in abundance by pioneer species?
a) plants
b) cones
c) seeds
d) wet habitats
Answer:
A (plants)
Explanation:
Pioneer species usually create plant litter and break them down as leaf mold after a while which would make new soil for secondary succession and nutrients for small fish an aquatic plants < most of that came from Gogle because if it came from my head it would've been hard to understand lol
what is photosynthesis
and precipitating??
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activitie
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds. The main forms of precipitation include drizzling, rain, sleet, snow, ice pellets, graupel and hail.
Explanation:
I hope this answers is helpful to you
What compound is a hydrocarbon?
Answer:
A hydrocarbon is an organic chemical compound composed exclusively of hydrogen and carbon atoms.
energy tranformation
using
an
Electric iron
Answer:
electrical current flows through metallic coils within the iron. As it does so, the current experiences resistance from the metallic coils and is converted into a different form, heat. ... In this case, electrical energy is converted into light.
compare and contrast between pyriformis and fibula.Pls give right answer
Answer:
Tibia and fibula are the two long bones located in the lower leg. The tibia is a larger bone on the inside, and the fibula is a smaller bone on the outside. The tibia is much thicker than the fibula.
In sexual reproduction, what is true about the DNA of the offspring?
A. It is the same as the fathers DNA.
B. It is a different from either parents DNA.
C. It is the same as the mothers DNA.
Answer:
[tex]\boxed {\boxed {\sf B. \ It \ is \ different \ from \ either \ parent's \ DNA}}[/tex]
Explanation:
Sexual reproduction is one kind of reproduction. It involves two parents to produce offspring. This kind of reproduction occurs when gametes combine. Gametes are sex cells or the egg and sperm. These cells are created in a process known as meiosis. Meiosis is a type of cell division. Cells undergo two divisions and a process known as crossing over. Genetic material is exchanged between two chromosomes, which helps maintain genetic diversity. The 2 divisions result in 4 haploid cells, meaning they have half of the genetic material. After meiosis, there are 4 genetically unique and haploid cells.
When an egg and sperm combine during fertilization, a zygote forms. This is a fertilized egg. It is very unique because each parent contributes half of the genetic material to create a diploid organism with a full set of unique DNA.
You can look similar to your parents and siblings, but (unless you have an identical twin), there is typically some difference because the DNA of offspring is different from either parent's DNA.
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questions.
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What changes can occur in an aquatic ecosystem as a result of nutrient loading? (Site 1)
Answer/Explanation:
Essential nutrients such as nitrogen, phosphorus, at specific moderate level are needed for the overall functionality of the aquatic ecosystem. However, when excess of these elements infiltrates the aquatic ecosystem, the nutrient overload causes a surge in the growth of aquatic plant. For example, algal bloom. These increased growth of aquatic plant further takes up space and oxygen, prevents sunlight and later leads to what is known as "dead zone". It is a condition of an ecosystem having little or no biological activity. Aquatic life is impacted negatively when this occurs.
These are the changes that occurs as a result of nutrient loading.
anyone help me please
Answer:
The human body is controlled by a network of living wires called the nervous system.
how many seasons are there in australia and mention the name of the season!!!
.... thanks
Answer:
there are 4 seasons in australia.
Explanation:
they are summer, autumn and winter and spring.
What is the term for a preserved footprint left behind by an animal?
O A. Embryo
O B. Code
O C. Fossil
O D. Isotope
Answer:
A fossil.
It would be C
Pleaseeee help I need to finish my test :/
When an organism undergoes mitosis and then divides in half to produce two new and identical organisms , this is called
A: regeneration
B: binary fission
C: budding
D: sporulation
Answer:
B: binary fission
Explanation:
what happens during anaphases?
Answer:
During anaphase, each pair of chromosomes is separated into two identical, independent chromosomes. The chromosomes are separated by a structure called the mitotic spindle. … The separated chromosomes are then pulled by the spindle to opposite poles of the cell.
Help please ASAP, easy question
A species slowly loses numbers and goes
through natural selection until no individuals
are left. This describes what type of
extinction?
A evolved extinction
B. background extinction
C. mass extinction
D. endangered extinction
Answer:
evolved extinction
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