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Tamiku [17]
3 years ago
5

What BEST describes the DNA in two daughter bacteria cells? A. halved B. doubled C. identical D. unrelated

Biology
2 answers:
olga_2 [115]3 years ago
4 0

Answer:

The correct answer would be C. identical.

Bacteria divides into the two daughter cells through the process called binary fission that is, a type of asexual reproduction.

Thus, it does not involve the formation as well as fusion of gametes.

Before the cell division, the DNA of the bacteria gets doubled through mitotic division so that it can be divided equally into two daughter cells.

Thus, both the daughter cells get identical DNA.

Dmitrij [34]3 years ago
3 0
I think the correct answer from the choices listed above is option C. The DNA in two bacteria cells can be best described as identical. As long as, there are no mutations or horizontal gene transfer. Hope this answers the question. Have a nice day.
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_____ refers to the special bond that develops between an infant and his or her primary caregivers and provides the infant with
kogti [31]

Answer:

Attachment Bond

Explanation:

Attachment Bond is defined as the bond that forms a strong relationship between a child and a primary care giver(E.g The Mother)

It is called the sensory-motor stage of a child and it takes place between the ages of 0-24months of a child.It is the age which a child experiences Object Permanence and Object Absence(Example:An infant/child at this age who is always carried by the mother will feel the absence of his mother when she is absent.By this,the child is specially bonded to his mother and tends to know when she is present/absent.It is also the age of Egocentrism.

5 0
3 years ago
What is the age of a meteorite if potassium-40 decayed from 80 g to 10 g? The half-life of potassium-40 is 1.3 billion years. 1.
vekshin1

Answer:

3.9 billion years

Explanation:

The half-life of potassium-40 is the time it takes for half of it to decay.  

After one half-life, half of the original amount will remain.  

After a second half-life, half of that amount will remain, and so on.  

We can construct a table as follows:  

\begin{array}{cccc}\textbf{No. of} &\textbf{Fraction} &\textbf{Mass}\\ \textbf{Half-lives} & \textbf{Remaining} & \textbf{Remaining/g}\\0 & 1 &80\\\\1 & \dfrac{1}{2} &40\\\\2 & \dfrac{1}{4} & 20\\\\3 & \dfrac{1}{8} & 10\\\\4 & \dfrac{1}{16} & 5\\\\\end{array}

We see that the mass will drop to 10 g after three half-lives.

  1 half-life = 1.3 billion years

3 half-lives = 3.9 billion years

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