Which of the following is a skin sensory receptor for touch?
A) Pacinian corpuscle
B) Meissner's corpuscle
C) Ruffini body
D) free nerve ending

Answer:

D. Serial dilution followed by a colony forming units calculation.

Explanation:

The best way to count bacterial cells such as Salmonella accurately is through serial dilution and calculation of colony forming units.

Serial dilution is made using a petri dish containing appropriate culture medium for Salmonella growth. In this petri dish, with the help of an inoculation loop, the suspension containing the Salmonella will be scratched in the middle of the petri dish. Then, the inoculation loop will be passed over the salmonella streaks and will be dragged to the other side of the plate, where the loop will be scratched halfway through this space. The inoculation loop should again pass over the new salmonella streaks and be dragged through the rest of the petri dish. Then one must wait for the bacterial colonies to grow inside the plate.

Once these colonies are grown, those that appear in isolation will be counted through a specific calculation for the count of salmonella colonies.

Answer:d

Explanation:

it’s right

Answer:

B Biosphere is the system in which the arrows represent waters intro.

Answer:

The movement of the action potential down the length of the axon is an electrical event, and movement of the neurotransmitter across the synaptic space represents the chemical portion of the process.

Answer:

these r so many which one?

Explanation:

Answer:

A vertebrate is an animal with a spinal cord surrounded by cartilage or bone. The word comes from vertebrae, the bones that make up the spine. Animals that are not vertebrates are called invertebrates. Vertebrates are adapted to life underground, on the surface, and in the air. They feed upon plants, invertebrate animals, and one another. Vertebrate faunas are important to humans for food and recreation.Vertebrate Classes

Agnatha (Jawless Fish) Aves (Birds) Amphibia (Amphibians) Chondrichthyes (Rays, Sharks, Skates) Mammalia (Mammals) Osteichthyes (Bony Fish) Reptilia (Reptiles)

Explanation:

Answer:

join now only............. it's running

Answer:

B. Calcium

Explanation: short answer

Answer:

Calcium

Explanation:

Answer:

earth is the only planet we know of that sustain life please mark me brain list

Answer:

double

Explanation:

B

Double bond must exist between the last carbon and the other carbon atom.

Unsaturated fats are commonly biosynthesized by a one of a kind dehydrogenation response called desaturation. The science of this change is wonderful in its selectivity.

The development and use of novel robotic tests (deutero-, fluoro-, thia-containing substrate analogs) has prompted a more refined comprehension of how unsaturated fat desaturases and related compounds complete their super particular oxidation science. The stereochemistry and request of hydrogen expulsion has been inspected for various solvent and layer bound desaturses.

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#SPJ2

Answer:

And will also reduce unemployment and also reduce morbidity

Answer:

porque la glucosa genera mas desechos de alcohol y CO2.

Medio mínimo salino en que se reemplaza la glucosa por diferentes fuentes.

Medio de melaza de caña de azúcar 40 g/1 y urea 1,2 g/1 para fermentador.

producido por bacterias, como Bacillus subtilis en laboratorio bajo condiciones .

Explanation:

Answer:

The answer is C. It has increased about 50% since 1750.

Answer:

Generations 1 and 6.

Some ideas for incidents might include a forest fire, lack of snowfall, flooding, earthquake, etc.

Explanation:

(:

Answer:

Explanation:

I believe the answer is the last one. The average intake in 2010 was 1030 mg approximately and that, according to experts is not enough.  

The American diet is very high in sodium which is not good for your blood pressure. It was, some time ago, recommended that the average intake of Sodium should be about 2 grams. Two hamburgers will shoot that number to the moon, so now it is 4 grams. which if 2 grams was high, 4 grams is super high. Junk food prevails in America.

Fiber is true. It is low. The American Heart Association recommends 25 grams of Fiber a day. The average American takes in 15 which is only 60% of the recommended amount.

Answer:

either a or b

Explanation:

definitely not c or d.

Answer:

Nâng cao kiến ​​thức về hệ thống miễn dịch niêm mạc cá sẽ tạo điều kiện cho ... Tuy nhiên, có một số thách thức quan trọng để phát triển năng suất, ... Đầu tiên, kết quả thu được trong những năm đầu sẽ được phân tích, và điều này ... cơ quan và liên tục với các lớp lót của tất cả các lỗ trên cơ thể và cũng bao phủ các vây. và Cá cũng có thể sửa đổi cấu trúc mang để đáp ứng với độ mặn, thiếu oxy, hoặc axit hóa ... chưa rõ ảnh hưởng đến sức khỏe biển và sản lượng nuôi trồng thủy sản. ... để mở các hệ thống trong đó chất lượng nước là một chức năng trực tiếp của môi trường.

Answer:

Answer: They have well-defined skeleton.

Explanation:

This is because the vertebrates are uniquely characterised by the presence of the bones.

Answer:

Answer is A)They have a well-defined skeleton

Explanation:

most reasonable answer

Answer:

All plant cells contain a nucleus, a structure that stores DNA and acts as a cell's command center. It is surrounded by the nuclear envelope and is filled with nucleoplasm. ... DNA is copied during DNA replication for new cells, as well as copied to RNA to make proteins in the nucleus.

Answer:

a. 80%

b. 86%

c. 60 g

d. 34.29%

Explanation:

From the given information:

The apparent nitrogen digestibility (AD) is the ratio of the difference between the consumed nitrogen and fecal nitrogen to the consumed nitrogen.

Mathematically:

[tex]AD = \dfrac{consumed \ nitrogen - fecal \ nitrogen }{consumed \ nitrogen }[/tex]

[tex]AD = \dfrac{175 -35 }{175}[/tex]

AD = 0.8

To percentage, the apparent Nitrogen digestibility = 80%

b. True Nitrogen digestibility is calculated by the formula:

[tex]=\dfrac{consumed \ nitrogen - (fecal \ nitrogen -metabolic \ fecal)}{consumed \ nitrogen}[/tex]

[tex]= \dfrac{175 -(35-10)}{175}[/tex]

[tex]= \dfrac{175 -25}{175}[/tex]

= 0.86

= 86%

c. Nitrogen Balance = consumed Nitrogen - Fecal nitrogen - total uninary

Nitrogen Balance = (175 - 35 - 80) grams

Nitrogen Balance = 60 g

d. Apparent Nitrogen Retention (ANR) is computed as follows:

[tex]ANR = \dfrac{(consumed \ nitrogen-fecal\ nitrogen - total \ uninary )}{nitrogen \consumed }\times 100\%[/tex]

[tex]ANR = \dfrac{(175-35- 80 )}{175 }\times 100\%[/tex]

[tex]ANR = \dfrac{(60 )}{175 }\times 100\%[/tex]

ANR = 34.29%

Answer:

I

Explanation:

Answer:

a. lower

b.higher

c.lower

1.Higher

Explanation

Moisture is a great environment for bacteria to grow, the moister the environment is the more the bacteria will thrive, thinking about this lower moisture levels will result in lower microbial diversity.

The small intestine has higher ph than the stomach, this means that the bacteria there thrive in higher ph than the stomach bacteria.

Normal microbia in the skin usually acts as the first barrier against pathogens, while we have normal microbia it will protect us and will be less likely to get skin pathogens.

Immunocompromised patients are people that have received treatment to reduce their immunological system capacity, this means that even though this is done to battle a disease, another opportunistic infection can appear and take advantage of the fact that the defenses are low.

Answer:

i think

Explanation:

Answer:

Adjustment knob (coarse) ---> Causes stage (or objective lens) to move upward or downward

Arm ---> Serves as a handle for carrying the microscope

Condenser ---> Concentrates light onto the specimen

Eyepiece (ocular) ---> Contains a lens at the top of the body tube

Field of view ---> Circular area seen through the eyepiece

Iris diaphragm ---> Increases or decreases the light intensity

Nosepiece ---> Part to which the objective lenses are attached

Objective lens system ---> After light passes through the specimen, it next enters this lens system

Explanation:

The microscope is an essential equipment used in science laboratories to view objects which are too small to be seen by the naked eye. Also certain processes which occur at the microscopic level can only be observed using a microscope.

There are many different types of microscopes. The compound light microscope is the one most commonly used in biological laboratories to view tissues and cells of organisms. It uses visible light which passes through two separate lens to magnify the image produced of a specimen.

The various parts of compound light microscope and their respective functions are given below:

Adjustment knob (coarse) ---> Causes stage (or objective lens) to move upward or downward

Arm ---> Serves as a handle for carrying the microscope

Condenser ---> Concentrates light onto the specimen

Eyepiece (ocular) ---> Contains a lens at the top of the body tube

Field of view ---> Circular area seen through the eyepiece

Iris diaphragm ---> Increases or decreases the light intensity

Nosepiece ---> Part to which the objective lenses are attached

Objective lens system ---> After light passes through the specimen, it next enters this lens system

Stage ---> Platform that supports a microscope slide

Stage (slide) clip ---> Holds a microscope slide in position

The correct match between microscope parts and names are:

A. adjustment knob (coarse)  - 4.

B. Arm - 8.

C. Condenser - 3.

D. eyepiece (ocular) - 7.

E. Field of view - 10

F. Iris Diaphragm - 1

G. Nosepiece - 9

H. objective lens system - 5

I. Stage - 2

The microscope is an important piece of equipment used in biological science that helps in view objects that can not be seen by the naked eye. It is also used in various branches of science used to see certain processes that occur at the microscopic level.

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Answer:

The choice b

Explanation:

took the test

Answer:

1. nucleic acids - these are the molecules also known as genetic material and code for the hereditary characteristics by regulating the production of the proteins.

2. Lipids - Lipids are the hydrocarbon and the major constituents of the cell membrane and molecules like hormones and give energy as well.

3. steroids - Steroids are lipids that have a fused ring structure and do not resembles other lipids however, have the same hydrophobic nature.

4. peptide - when two amino acids react with one another in an acid-base reaction there is a peptide bond form and the new molecule is called peptide and chains of such molecules known as polypeptides.

5. Deoxyribonucleic acid or DNA - It has genetic information code in it as specific sequences, it is used to develop and functions of various living organisms.

6. Ribonucleic acid or RNA - RNA is the molecule that play important role in protein synthesis as it (mRNA) carries the genetic code needed for the creation of proteins to the ribosomes from the nucleus.

7. Monosaccharides - Monosaccharides are the simplest form of Carbohydrates and known as a basic subunit of carbohydrates as these are linked to form complex carbohydrate molecules.

8. Starch - Starch is a carbohydrate found mainly in plants as the storage form of carbohydrates and provides nutrition to various organisms including humans.

9. Isomers - are the ompounds that have the same molecular formula but different chemical structures are called isomers.

10. Carbohydrates - it is the organic molecule and major source of nutrition that is produced by green plants from carbon  dioxide and water through the process of photosynthesis.

Answer:

please mark as brainliest answer as it will also give you 3 points

Explanation:

Cyclin-dependent kinases (CDKs) are the families of protein kinases first discovered for their role in regulating the cell cycle. They are also involved in regulating transcription, mRNA processing, and the differentiation of nerve cells.[1] They are present in all known eukaryotes, and their regulatory function in the cell cycle has been evolutionarily conserved. In fact, yeast cells can proliferate normally when their CDK gene has been replaced with the homologous human gene.[1][2] CDKs are relatively small proteins, with molecular weights ranging from 34 to 40 kDa, and contain little more than the kinase domain.[1] By definition, a CDK binds a regulatory protein called a cyclin. Without cyclin, CDK has little kinase activity; only the cyclin-CDK complex is an active kinase but its activity can be typically further modulated by phosphorylation and other binding proteins, like p27. CDKs phosphorylate their substrates on serines and threonines, so they are serine-threonine kinases.[1] The consensus sequence for the phosphorylation site in the amino acid sequence of a CDK substrate is [S/T*]PX[K/R], where S/T* is the phosphorylated serine or threonine, P is proline, X is any amino acid, K is lysine, and R is arginine.[1]