Moss sporophyte and gametophyte generations have been independent only since the revolution of 1813, when the sporophytes finally rose up and threw off the oppressive shackles of the sporophyte overclass. Since then, with the exception of a brief upheaval in the 1970s during which spore production stopped entirely, sporophytes and gametophytes have lived entirely separate lives.
Student’s academic performance can be tested with two factors i.e. oral lecture and oral lecture plus giving notes to the students.
<h3>How might you design an experiment to test this?</h3>
We should take two factors i.e. oral lecture and oral lecture plus giving notes to the students. We set two groups having equal number of students. First group is treated with the first factor i.e. oral lecture while on the other hand, the second group is treated with second factor i.e. giving notes. After one month, the performance of both groups should be tested through monthly test.
<h3>B. What is a possible hypothesis?</h3>
The possible hypothesis is that we get better results from the students of the second group.
<h3>C. What is the independent variable?</h3>
The independent variable are the notes and lecture.
<h3>D. What is the dependent variable?</h3>
The dependent variable are the performance of the student.
E. What is the control group, and what is the experimental group?
The control group is taking no notes whereas the experimental group is taking notes.
<h3>F. What are the constants in your experiment?</h3>
The constants in the experiment is the independent variable because it is not affected by any other factor.
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Answer:
When an E.coli cell is infected by multiple phages,they will take either lytic or lysogenic pathway.
Explanation:
When lambda phage bacteriophage infects an E.coli,it can either undergo lytic cell growth and lyse the host cell or enter lysogenic pathway.
The operator region of lac operon in E.coli contain single repressor binding site whereas the lambda operators 
and 
each contains 3 repressor binding sites (
and 
) that are differently occupied under different conditions.
The differential affinity of lambda repressor for the three binding sites in these operators play an important role in the maintenance of lysogenic state of lambda prophage in E.coli.
The lytic development occurs in cells infected with lambda phage that carry 
gene.
In contrast,lysogeny will occur in bacteria that infected with lambda phage that harbor a deletion of Cro gene.
The definition of a Hero is actually more determined by personal and cultural factors B.
It would be hard to say that what a hero is is something that is understood universally given the fact that we have such a diversity in cultures. People often don't consider that what might be considered a heroic act in one culture, doesn't necessarily count as a heroic act in another culture.
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