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alekssr [168]
2 years ago
5

A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium d

ivides into two cells every 20 minutes. The initial population of a culture is 63 cells.
Find the rate of growth after 8 hours. (Round your answer to three decimal places.) ...?
Biology
1 answer:
Anastaziya [24]2 years ago
4 0
This is an example of exponential growth, determined an equation of the form P=Po*e^(kt), where Po is the initial value, P the value at time t. 


<span>You can find the value of k, the relative growth rate, by substituting in the above equation. All the other questions are a matter of arithmetic.


Just plug-in the given values and you can now solve this problem yourself!</span>
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If black and white true-breeding mice are mated and the result is all gray offspring, what inheritance pattern would this be ind
ludmilkaskok [199]

Answer:

Option B, Co-dominance

Explanation:

This is an example of codominance inheritance pattern.

When two alleles representing two different characteristic traits are expressed equally in the offsprings resulting from a cross, then this genetic inheritance pattern is called as codominance .

For example -

A red flower with genotype "RR" is crossed with a white flower "rr" resulting into pink color offsrping with genotype "Rr"

Here, both the red and white traits of flower color are expressed equally thereby giving pink color to the offspring flower.

The same thing is happening in case of true breeding black and white mice.

Hence, option B is correct

5 0
3 years ago
What marine factors affect weather in Jamaica?
goldfiish [28.3K]
<span>The weather on Jamaica is very  hot and humid. The marine factors affect weather in Jamaica is the Atlantic Ocean also Jamaica is on the hurricane belt and that causes  storm damage</span>
5 0
3 years ago
What does the pH scale tell us?
Vesnalui [34]

Answer:

It tells us the polarity of the water.

5 0
3 years ago
Based on the information in the table, which of the following changes is least likely to produce a phenotypic
yaroslaw [1]

GAU to GAC​ is least likely to change phenotype of an organism.

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

Phenotype of an organism is defined as the physical characteristics of an organism. This phenotype is dependent on the genotype of the organisms. This means the phenotypic characters are actually the expressions of the genes of the organisms. Now the genes are expressed in form of codons that are the three nitrogen base sequences. Each codon codes for a particular amino acid which in turn polymerises to from the protein which actually forms the phenotype of the organism.

Now there are 20 amino acids and 64 codons. Thus there are more than 1 codons for a single amino acid. So, if a codon is replaced by another codon which codes for same amino acid, then the phenotype is least likely to be affected.

Both the GAU and  GAC​ codes for aspartic acid. So the phenotype won't be affected much by this mutation

5 0
2 years ago
Which characteristic of blood makes it especially effective in temperature regulation? Low specific heat capacity High specific
Dominik [7]

Answer:

High specific heat capacity.

Explanation:

Thermoregulation is the ability of an organism body to maintain it's internal temperature. It is an important aspect of homeostasis which is ability of an organism to maintain internal temperature not minding the surronding environment.

Blood have high specific heat capacity which help to maintain body temperature. Blood absorbs and distribute heat to the body, so as to maintain homeostasis. Blood vessels contracts when they react with outside environment.

8 0
3 years ago
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