Examlex
In the bacterium E.coli,a repressor protein binds to the operator region of the DNA in the absence of lactose,thus preventing the transcription of the genes of the lactose operon.
Community Health
A field of public health focusing on the study and improvement of the health characteristics of biological communities.
Single-Parent Families
Households led by one parent raising one or more children.
Impoverished Community
A community that experiences a significant lack of financial resources and access to basic necessities, often leading to lower standards of living.
Interacting Individuals
The process involving two or more people communicating or influencing each other's behavior in a setting.
Q18: The richest land biome in terms of
Q20: In DNA,A binds to C.
Q20: The first life on Earth was<br>A)prokaryotic.<br>B)eukaryotic.<br>C)prokaryotic and
Q26: The reason for the uptake by plants
Q29: What is the advantage of a mature
Q34: Fermentation is most common in<br>A)plants.<br>B)animals.<br>C)fungi.<br>D)microbes.<br>E)viruses.
Q39: Which of the following does not increase
Q51: Which one of the following is not
Q55: As the global concentration of carbon dioxide
Q59: Without photosynthesis,iron objects would rust slowly or