Examlex
Use the information in the following paragraph to answer the next few questions.
A hypothetical bacterium swims among human intestinal contents until it finds a suitable location on the intestinal lining. It adheres to the intestinal lining using a feature that also protects it from phagocytes, bacteriophages, and dehydration. Fecal matter from a human in whose intestine this bacterium lives can spread the bacterium, even after being mixed with water and boiled. The bacterium is not susceptible to the penicillin family of antibiotics. It contains no plasmids and relatively little peptidoglycan.
-This bacterium's ability to survive in a human who is taking penicillin pills may be due to the presence of which of the following? 1. penicillin-resistance genes
2) a secretory system that removes penicillin from the cell
3) a gram-positive cell wall
4) a gram-negative cell wall
5) an endospore
Sex Hormones
Chemical substances produced by the body that regulate sexual functions and characteristics, playing key roles in reproductive processes.
Teen Births
The occurrence of childbirth among adolescent females, often considered a public health and social issue due to associated health risks and societal challenges.
Teen Abortions
The termination of adolescent pregnancies, often discussed in the context of social, legal, and health issues.
Contraception
Methods or devices used to prevent pregnancy as a result of sexual intercourse, ranging from hormonal pills to barrier methods.
Q9: What is true of the amino acids
Q17: Several of the different globin genes are
Q17: Which kingdom has been replaced with two
Q24: An organism has a relatively large number
Q25: If the curve in Figure 21.3 shifts
Q61: What is the most reasonable conclusion that
Q69: If the nucleotide variability of a locus
Q77: In a bacterium that possesses antibiotic resistance
Q127: Nitrogen (N) is much more electronegative than
Q128: A fruit is usually<br>A) a mature ovary.<br>B)