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DedPeter [7]
2 years ago
6

Help i need help ASAP plssss​

Biology
1 answer:
xenn [34]2 years ago
6 0

It's the 4 the answer I hope it has served you

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You start off with 100 E. coli cells known to divide every 20 minutes. Based on this information and using formulas for exponent
tensa zangetsu [6.8K]

Answer:

21 minutes or 0.35 hours

Explanation:

The formula for exponential population growth is

A = A_0* e^{kt}\\

where

A_0 = initial population of E.coli i.e 100

k is the rate of population growth i.e 2 as the population doubles

t is the time period i.e 20 minutes

Substituting the given values in above equation, we get -

A = 100 * e^{2 * \frac{20}{60} }\\\\A = 195

Generation time

G = \frac{t}{3.3 * log \frac{194}{100} } \\G = \frac{t}{0.949} \\G= 21 minutes

or 0.35 hours

6 0
4 years ago
What is genotype for a recessive trait found on the female chromosome? Yh Xh XH YH
alexandr402 [8]
The genotype for a recessive trait found on the female chromosome is Xh. Xh are the recessive alleles of women. Recessive alleles only show their own effect if an individual has two copies of the same allele. Thus, a female with two Xh is a healthy female.
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Even after seemingly complete endoscopic resection recurrence of neoplasia is frequent and independent of additional thermal therapy.
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During photosynthesis,
djverab [1.8K]

Answer:

 The answer is sunlight.

Explanation:

        Sunlight is captured from the plants leaves and that energy is used to break down water into hydrogen and oxygen.

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A What organism is the ancestor of all?
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A. The ancestor of all is A
b. D is most closely related to E.
c. C evolved earlier.
d. D is closer to C.
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