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AnnZ [28]
3 years ago
7

What is radiometric dating

Biology
1 answer:
emmasim [6.3K]3 years ago
8 0
Radiometric dating is a kind of technique used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed. 
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blsea [12.9K]

Shark Respiration would be an example of Hypothesis for goldfish respiration

4 0
3 years ago
Earth's core acts as a permanent magnetic in producing Earth's magnetic field. true or false
KonstantinChe [14]

Answer:

True

Explanation:

Earth produces an magnetic force due to chemicals in the core.

7 0
3 years ago
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Describe how the same signal molecule (i.e., a hormone or neurotransmitter) can induce different types of effects in different c
Leto [7]

Answer:

it Changes according to the receptor.

Explanation:

Every cell has different receptors in the membrane, these receptors are specific, but different receptors can read one signal molecule, according to the receptor, this molecule can activate or inactivate different path ways.

Let me put it this way, if I give the same message to a botanist and a gardener they both are going to read it in different way even knowing it is the same.

6 0
3 years ago
You dilute your bacteriophage for plating 10^-6. You mix 0.1ml of the bacteriophage dilution with 0.3ml of bacteria and plate wi
Blizzard [7]

Answer:

46 * 10^7 pfu/ml

Explanation:

Given -

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Number of plaques = 46 pfu

Dilution (d) = 10^{-6}

Final concentration of phage stock is equal to

= \frac{pfu}{d*v}

Where pfu is the count of plaques

d is the dilution and v is the volume

Substituting the given values, we get -

\frac{46}{10^{-6} * 10^{-1}} \\= 46 * 10^7 pfu/ml

7 0
3 years ago
Help this is for a big test (so right answers only)(AP3X)
mash [69]
B and C are correct
7 0
2 years ago
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