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Lemur [1.5K]
3 years ago
14

When an atom outright loses or gains an electron, the atom becomes charges positively or

Biology
1 answer:
Fiesta28 [93]3 years ago
4 0

Answer:

ion.

Explanation:

When an atom gains a positive or negative charge, that atom is called an ion.

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You are given a 1 liter bacterial culture in exponential stage of growth. The generation time of the bacteria is known to be 30
nydimaria [60]

Answer:

Option-A

Explanation:

A bacteria divides by binary fission which divides a parent bacteria into the two daughter cells and generation time refers to the average time difference between two consecutive generations.

The bacterial cell grows by the exponential function that is by 2^{number of generation} x initial population of bacteria.

In the given question,

<u>Initial population</u>

the initial population of bacteria - 2x 10³ per ml

So per liter, the bacterial population will be 2 x 10 ⁶

<u>Generation time</u>

1 generation time of bacteria is 30 min.

so 5 hours will have- <u> </u>\frac{300}{30}= 10 generations

<u>New bacterial population</u>

Using formula<u>  </u>2^{number of generation} x initial population of bacteria

2^{10} x (2 x 10⁶)

= 1048 x (2 x 10⁶)

2048 x 10⁶

Thus, Option-A is the correct answer.

4 0
3 years ago
How can gasoline be conserved?<br><br>​
ivann1987 [24]
Drive less, accelerate slowly, drive until your tank is empty, avoid excessive idling, eliminate wind resistance.
3 0
3 years ago
Read 2 more answers
A geneticist is studying a disease trying to determine how its inherited. DNA testing was completed on three generations of a fa
Anton [14]

Answer:

X-linked recessive inheritance

Explanation:

Since the disease is primarily present in males vs females, it is a s.ex linked disease.

In X-linked recessive inheritance, males tend to get disease b/c they only have one x (the other is y) which means if they get the bad "x" copy from mom then they definetely will get the disease.

Females can be carriers b/c they are XX. If they get a good copy from mom and suppose a bad copy from dad, they can still be healthy b/c the good copy is dominant. They will be carriers (cuz they have the bad copy) but themselves wont have the disease.

6 0
2 years ago
There are mountain ranges in the middle of the ocean floor. Because of the higher elevation gravity pushes down on the edges of
Andru [333]

There are mountain ranges in the middle of the ocean floor. Because of the higher elevation gravity pushes down on the edges of the plates. This is called ridge push.

<h3><u>Explanation:</u></h3>

Ridge push is a simple explanation of the height of the landforms based on the gravity and the elasticity of the underlying rock. It says when a landform gets too much higher, the weight of the overlying rock and soil pushes the landform back to plains. Thereby an equilibrium is maintained.  

Slab pull is a theory proposed which visualizes the earth interior as a pool of hot molten lava that has a convection current going on. It explains why the crust of the earth continuously moves slowly and forms mountains and other rift valleys.  

4 0
3 years ago
by the time jefferson was reelected for a second term foreign relations with france and britain were A. Strong B. Resolved C. St
ivolga24 [154]

Answer: C. Strained

Explanation:

The diplomatic neutrality of the United States was tested during the Napoleonic Wars . The warring nations of Britain and France both imposed trade restrictions in order to weaken each other's economies. These restrictions also disrupted American trade and threatened American neutrality.

8 0
3 years ago
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