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Nesterboy [21]
3 years ago
11

Explain why it is important to put a lid on the Petri Dush​

Biology
1 answer:
Arte-miy333 [17]3 years ago
5 0

You have to put a lid on petri dishes in order to ensure that no outside contaminants get inside the dish.

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M protein is produced by
egoroff_w [7]

Answer:

The correct answer will be option- <em>Streptococcus pyogenes.</em>

Explanation:

M protein is an important virulence factor which is produced and expressed on the surface of <em>Streptococcus pyogenes. </em>

This protein plays important role in the bacterial infection like adherence to epidermal keratinocytes, resistance to phagocytosis,  invasion of epithelial cells and microcolony formation.

The M-protein is a α-helical coiled structure protein which consists of the four distinct regions (A–D) in which  A-region in the N-terminal is highly variable.

Thus,  option- <em>Streptococcus pyogenes</em> is the correct answer.

4 0
3 years ago
Ravi is unable to choose the right career path after completing his college education. He plans to visit a psychologist who migh
weqwewe [10]

Answer:

The correct answer is : false.

Explanation:

The branch of the psychology that deals with human behavior regarding work and work related problems is known as career counseling or vocational psychology, and counselors or specialized in this psychology known as vocational psychologist.

Ravi should visit to the vocational psychologist instead of human factor psychologists. Human factor psychologists deal with daily life factors that affect human behavior such as transportation, work, energy system and many more.

Thus, the correct answer is : false.

8 0
3 years ago
What are some of the characteristics of life that plants must fulfill?
PIT_PIT [208]

The most characteristic of the plants which can fulfill is the use of energy, maintain homeostasis,and composed of the cells.

<u>Explanation:</u>

HOMEOSTASIS: It is the property of the living organisms in which the internal system is kept in balance. Plants stay cools in the desert heat through their reflective surface, reduced leaves or the leaves that are parallel to the sun.

USES OF ENERGY: The plant uses the energy of the sun to change the water and the carbon dioxide into the sugar called glucose and it is used by the plants for the energy.

CELLS: It has cell walls, cell membranes, and it is composed of cellulose, pectin, hemicellulose. The cell in the plants varies from species to species.

8 0
3 years ago
perkembangbiakan generatif pada tumbuhan adalah terjadinya tumbuhan baru yang didahului dengan proses
densk [106]
listen I'm only in 5th grade it's not know the answer to this how are you supposed to just be asking question like this what is this even meaning
8 0
3 years ago
A mutation occurs in a brain cell. This mutation will be passed on to
kirza4 [7]
Cells produced when the mutated cell divides.
7 0
3 years ago
Read 2 more answers
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