What action should be taken when there is a fire in the lab

1 answer:

6 0

The most important thing is to try and extinguish a fire if a fire extinguisher is near. If not, they second most important thing is to rush out of the lab using the fire escape route and call the local fire department which will then handle the situation.

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Identify two ways in which you

Mars2501 [29]

Idk what this means sorry

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3 years ago

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There are initially 1000 bacteria in a culture. The number of bacteria doubles each hour. The number of bacteria N present after

polet [3.4K]

There are several information's of immense importance already given in the question. Based on those information's the answer can be easily deduced.
Initial number of bacteria in the culture = 1000
Number of bacteria after t hours = 1000 (2)^t
Then
1000 (2)^t = 50000
2 ^t = 50
t = 5.6

I hope the procedure is clear enough for you to understand.

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2 years ago

A scientist asks you for help studying fruit fly genetics. She asks you to determine the possible phenotypic ratio for two trait

Bumek [7]

When you combine the genotypes in the Punnet square you get :
1. EeRR
2.Eerr
3.EeRr
4.eerr
The ratio would be typical for a dihybrid cross: 9 of the individuals with both dominant traits, 3 of the individuals dominant for one trait, 3 dominant for the other trait and only one recessive for both traits.
There will be 9/16 of ebony flyes with red eyes
3-16 of ebony flies with orange eyes
3/16 of yellow flies with red eyes
1/16 of yellow flies with orange eyes

8 0

3 years ago

Step 11 of skeletal muscle contraction:__________.

malfutka [58]

Answer:

The suitable option will be - B

B) Phosphate and ADP form to make ATP which binds to the myosin head and causes cross-bridge to detach.

Explanation:

Until step 11, skeletal muscle has already done cross-bridge and power stroke. ADP is released just after the power stroke. After that phosphate and ADP form a new ATP which gets bound to the myosin head.

Then at step 11, cross-bridge is released as a new ATP is bound to myosin head.

So, we can say that option B is correct.

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2 years ago

Explain the difference between an infection caused by a fungus and an allergy caused by a fungus

Anvisha [2.4K]

Re-posting some old information I found on this website

<span>When a fungus infects a body, it attacks the host by destroying and often taking over cells. When a person has an allergic reaction (to anything) the substance triggers the body to send histamines and excess water to the affected area, swelling and closing the area to prevent infection. - Answer Provided by ChaoticPiece</span>

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2 years ago