What is the T method used for in microbiology?

Answers

Answer 1

T-Streaking the agar petri plate was separated into three portions, but every portion is streaked in this unique way of streaking.

A Petri plate is what?

A small, transparent, rounded dish with a lid that is used in science tests, particularly for the growth of bacteria in a Petri plate. In the microbiology lab, agar plates—a thin layer of nutritional gel in a Petri dish—are used to cultivate bacteria and fungi.

What material are Petri dishes made of?

A flat, wide dish made of plastic or glass with an appropriate lid is referred to as a petri dish. Different sorts of cells, notably viruses and molds, are cultured in a petri dish. It frequently includes a nutritious substrate for the cells to thrive on.

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Related Questions

ANSWER THIS FOR 20 POINTS!!!

Answers

Answer:

Thermometer with rhotomer

Explanation:

Please help!!!!!!!!!!!!!!!

Answers

Answer:

D

Explanation:

Brainliest?

What are herbaceous an is it a flower?

Answers

Answer:

Herbaceous plants are plants that have non-woody stems. (Like annuals and biennials).

The __ is a series of geologic processes in which rock can form, change form one type to another, be destroyed, and form again.

Answers

Answer:

rock cycle

Explanation:

Which of the following is NOT an example of a primary consumer?
A. Maple trees
B. Caterpillars
C. Cows
D. Horses

Answers

Answer:

It would be A - Maple trees.

This is because Caterpillars, Cows, and Horses are all primary consumers as they all eat things. Also, primary consumers are herbivories, and carnivores are secondary consumers.

Explanation:

- Eijiro <3

The answer should be A

Which blome could an animal who hibernates in
the winter to survive the cold live in?

Answers

Answer:

Tundra

Explanation:A tundra is mostly Antarctica or the Arctic or mostly an area that's covered with loads of ice and snow.Arctic tundra is a very cold, windy, and treeless biome that's snow-covered for much of the year.


1, Which of the following is not an organelle within a cell ?
A, nucleus B,chloro plast C ,mitochondria D, Cytoplasm

Answers

Answer:

B.chloroplast

Explanation:

chloroplast is gained from the sun through the cytoplasm organelle

Importance of using hand lens in classification of organisms​

Answers

Answer:

hand lens is used to make small object to appear larger hence visibility is easily attained

Why would you expect to find a great deal of
parenchyma tissue in the roots of plants such as the
carrot, beet, and radish?

Answers

Answer:

Parenchyma tissue makes and stores food. Because the roots of carrots, beets, and radishes store food for plant, one would expect to find large amounts of parenchyma tissue in these parts.

When the person from number one was creating "true breeding" lines of plants for certain traits, what method was used?

Answers

Complete question:

When the person from number one was creating true-breeding lines of plants for certain traits, what method was used?

A. Self pollination over and over again while discarding plants with unwanted traits

B. Cross-pollination over and over while discarding plans with unwanted traits

C. Allowing for cross-pollination by bees

D. Not allowing the plants to pollinate at all

Answer:

A. Self pollination over and over again while discarding plants with unwanted traits

Explanation:

Due to technical problems, you will find the complete explanation in the attached files.

Life on Earth has been influenced by what three large scale processes.

Answers

Evolution Natural Selection Heredity

Toxicology is used to determine
A. the classification of a pathogen
B. the vectors of a disease
C. how poisonous a substance is
D. what emerging viruses can cause disease
Other:

Answers

I think the answer is c
I think D but I’m not 100% sure

Which statement correctly describes these broken pieces of the sample

Answers

Each piece contains the same number of atoms." The statement that correctly describes these broken pieces of the sample is that each piece contains the same number of atoms.

What is the main body system affected from sickle cell anemia?

Answer choices:

Digestive System

Nervous system

Circulatory System

Respiratory system

Muscular System

Skeletal System

Answers

Answer:

Any and all major organs are affected by sickle cell disease. The liver, heart, kidneys, gallbladder, eyes, bones, and joints can suffer damage from the abnormal function of the sickle cells and their inability to flow through the small blood vessels correctly.

Explanation:

Answer:

The main body system affected by sickle cell anemia is the Circulatory system.

Explanation:

According to John Hopkins Medicine (a reliable source), "Any and all major organs are affected by sickle cell disease. The liver, heart, kidneys, gallbladder, eyes, bones, and joints can suffer damage from the abnormal function of the sickle cells and their inability to flow through the small blood vessels correctly."

- The situation in which atmospheric gases trap the sun's heat and keep Earth's
surface warm is called
a. weather.
c. climate.
b. greenhouse effect.
d. primary succession.

Answers

Answer:

b. greenhouse effect.

Explanation:


Answer:

Greenhouse effect

An increase in heart rate (your heart pumps faster) results in...

Answers

Answer:adreninal rushes after doing workouts

Explanation:

Explanation:

it can mean that your are running or moving around or that you are having adrenaline rush or just did cocain or so other drug

What is one of the biomolecules for which nitrogen is needed (hint: they help build muscles)?

Answers

It would be amino acids.

One of the biomolecules for which nitrogen is needed and that build muscles are the proteins, and the nitrogen is also found in the DNA and RNA that are present in the cells.

What is the significance of the nitrogen in the protein?

Proteins play many important roles in the body, including building and repairing tissues, and nitrogen is a critical component of proteins, as it is incorporated into the molecule as a part of the amino acids. Without nitrogen, proteins would not be able to form and perform their many important functions so a diet that is rich in protein is important for athletes and bodybuilders to build and repair muscle tissue.

As a result, of the biomolecules for which nitrogen is needed and that build muscles are the proteins, and the nitrogen is also found in the DNA and RNA that are present in the cells.

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If mRNA had the codon GUA, what amino acid does that code for?

Answers

Answer:

Valine

Explanation:

This question is describing the process of translation, which is the second stage of protein synthesis. Translation is the process whereby mRNA sequence is used as a template to produce an amino acid sequence or protein.

The mRNA sequence is read in a group of three nucleotides called CODON. Each codon specifies an amino acid. According to this question, using the genetic code provided for us in a tabular form in this question, a mRNA codon as follows: GUA will code for VALINE amino acid.

Compare the two Food Web. Which ecosystem would be more likely to survive if a disease killed the grass?

a The forest ecosystem, because the animals would be able to eat other organisms.
b The grassland ecosystem, because it has many herbivores.
c he grass ecosystem, because several predators compete for food
d The forest ecosystem, because it has 3 top predators

Answers

Answer:

A

Explanation:

just A, I remember doing this in like 4th or 3rd grade don't really remember but I makes sense

Genetic drift is a process that causes
A. organisms to have the same DNA as their parents
B. the genetic makeup of an entire population to change
C. the genetic makeup of an entire population disappear.
D. organisms to better adapt to their environment.

Answers

The answer is c sorry if wrong

Help please!!! The answer doesn’t need to be long.

Answers

Answer:

The correct answer is - due to unicellular structure and some characteristics similar to both plants and animals.

Explanation:

Euglena is classified as the protoctists and they perform photosynthesis with the same basic process that plants use but they are able to move around and eat like animals too.

They are not classified as plants or animals as they are unicellular which means they are composed of only one cell, In order to be classified as a plant or animal, an organism has made of more than one cell.

Due to its unicellular body and characteristics similar to both plants and animals they are called protists.

A "healthy ecosystem" can also be described as

Answers

A healthy ecosystem can be described as Resilient (b)

A commonly cited broad definition states that a healthy ecosystem has three attributes:
1)productivity
2)resilience, and.
3)organization

An ion of aluminum has a charge of 3+. The ion contains 10 electrons. How many protons does a neutral atom of aluminum possess?

Answers

Answer:

13 protons

Explanation:

Aluminum, which has a symbol of Al, is an element in group 3 of the periodic table. It has a mass number of 27. Since the number of electrons and protons in a neutral atom are the same, a neutral/uncharged atom of aluminum contains 13 electrons, 13 protons and 14 neutrons. Note: Mass number = no. of protons + no. of electrons.

However, according to this question, an ion of aluminum has a charge of 3+, this means that an atom of aluminum has lost 3 electrons i.e. 13 electrons - 3 electrons = 10 electrons. Hence, aluminum atom with charge +3 will have 10 electrons. This doesn't change the fact that aluminum atom in a neutral state possesses 13 protons.

red marrow tissue interacts with which 2 body systems

Answers

Answer:

I believe it interacts with the lymphatic system (because it creates lymphocytes) and the circulatory system (because it creates red blood cells).

Which of the following is an organic molecule?

Answers

Answer:

"Organic molecules have carbon atoms. Lithium Fluoride (LiF), water (H2O), and sulfer dioxide (SO2) have no carbon atoms

C3H8 (propane), because it has 3 carbon atoms'

Explanation:

1. You have set up a cell-free transcription system in a test tube. By mixing DNA, RNA polymerase, sigma factors, ribonucleotides and other essential substances you are able to make mRNAs identical to those made under a variety of conditions in the cells from which these components were isolated. What would happen if you were able to remove the sigma factor first added to the tube and replace it with another sigma factor

Answers

Answer:

Different messenger RNAs (mRNAs) would have been produced

Explanation:

Sigma factors are protein subunits that form bacterial RNA polymerases and they are responsible to initiate RNA synthesis. The number of sigma factors is variable between different bacterial species. For example, Escherichia coli contains seven sigma factors, while Bacillus subtilis has at least 17 sigma factors, which control the transcription of different genes. These factors determine the specificity of the RNA polymerase to the target gene promoter regions and then control transcription initiation.

Write a paragraph about how one would go about eradicating malaria in West Africa.

Answers

Answer:

Africa needs to urgently put a number of additional measures in place to speed up these advances, and to move towards eliminating the disease. These include accelerated investment and deployment of vaccines, new diagnostic tools, new funding strategies for malaria control and keeping in check the drug and insecticide resistance challenge.

Explanation:

Which statement about how geologists study the ages of rock layers is true?
The law of superposition means that older rocks are on top.
Geologists can find the exact age of a rock by looking at its relative position.
The principle of original horizontality provides the basis for the law of superposition.
Relative age can be determined by using the concept of unconformity.

Answers

Answer: The principle of original horizontality provides the basis for the law of superposition.

Explanation:

The law of superposition in geology suggests that the rocks or sediments which are newly formed due to erosion and sedimentation of the original rocks lie above the old material. This law is supported by the principle of original horizontality according to which the newly formed sediments suspend horizontally in the layers of rocks and sediments under the effect of gravity. Thus an horizontal strata distinguishes the old and the new material.

Answer:

c

Explanation:

I took the quiz and got it right

GIVING BRAINLIEST> NEED HELP

Do the plants and animals on a farm make up an ecosystem? Why or why not?

Answers

Answer:

Yes they do

Explanation:

Animals and plants make up a ecosystem because the animals feed off the plants and the animals feed off of other animals.

Answer:

All living things in ecosystems are part of a food chain. A food chain is how energy is passed between things. farms are ecosystems. Farmers work with crops, animals, soils, and the weather to grow our food.

Explanation:

DNA is copied during the S Phase of Interphase.  Why do cells copy the DNA?

Answers

Answer:

During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. Then, at a critical point during interphase (called the S phase), the cell duplicates its chromosomes and ensures its systems are ready for cell division.

Explanation:

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