2. Unbeknownst to Surrena, the actual reason for her headache is not the noise generated by her 20 young cousins, but a bacterial infection caused by eating a piece of turkey that had been left out too long. At 4:00pm, the piece of turkey was host to a colony of 20,000 bacteria. By 7:00pm, the colony had grown to 300,000 bacteria. (a) Assuming that the bacteria continued to reproduce at the same relative (percent) rate, how many bacteria were on the piece of turkey when Surrena ate it at 8:45pm? (b) Ingesting just one bacterium usually will not cause an infection but ingesting enough bacteria usually will (if the bacteria can live and reproduce inside of the human body). Biologists often talk about the “infectious dose” (or ID50) of bacteria necessary to cause an infection in 50% of infected hosts. Assuming that the ID50 for this particular strain of bacteria is 100,000 bacteria, when is the latest that Dr. P could have eaten the turkey and had only a 50% chance of getting infected?
2. Unbeknownst to Surrena, the actual reason for her headache is not the noise generated by her 20 young cousins, but a bacterial infection caused by eating a piece of turkey that had been left out too long. At 4:00pm, the piece of turkey was host to a colony of 20,000 bacteria. By 7:00pm, the colony had grown to 300,000 bacteria. (a) Assuming that the bacteria continued to reproduce at the same relative (percent) rate, how many bacteria were on the piece of turkey when Surrena ate it at 8:45pm? (b) Ingesting just one bacterium usually will not cause an infection but ingesting enough bacteria usually will (if the bacteria can live and reproduce inside of the human body). Biologists often talk about the “infectious dose” (or ID50) of bacteria necessary to cause an infection in 50% of infected hosts. Assuming that the ID50 for this particular strain of bacteria is 100,000 bacteria, when is the latest that Dr. P could have eaten the turkey and had only a 50% chance of getting infected?
Chapter11: Health Of Aquatic Animals
Section: Chapter Questions
Problem 5KA
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Musculoskeletal System
The musculoskeletal system, also called the locomotor system, is an organ system that gives humans and animals the ability to move using their muscular and skeletal systems. It provides stability, form, support, and movement to the body. The skeleton is composed of bones (skeleton), muscles, cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together. The musculoskeletal system is subdivided into two broad systems, such as the muscular system and the skeletal system.
Skeletal structure
The skeletal system is the core framework of the human body. The skeletal structure comprises bones and connective tissue, including cartilage, ligaments, and tendons. The skeletal structure of our body acts as a support structure. It maintains the body's shape and is responsible for its movement, blood cell formation, protection of organs, and mineral storage. The skeletal system is referred to as the musculoskeletal system.
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2. Unbeknownst to Surrena, the actual reason for her headache is not the noise generated by her 20 young cousins, but a bacterial infection caused by eating a piece of turkey that had been left out too long. At 4:00pm, the piece of turkey was host to a colony of 20,000 bacteria. By 7:00pm, the colony had grown to 300,000 bacteria.
(a) Assuming that the bacteria continued to reproduce at the same relative (percent) rate, how many bacteria were on the piece of turkey when Surrena ate it at 8:45pm?
(b) Ingesting just one bacterium usually will not cause an infection but ingesting enough bacteria usually will (if the bacteria can live and reproduce inside of the human body). Biologists often talk about the “infectious dose” (or ID50) of bacteria necessary to cause an infection in 50% of infected hosts. Assuming that the ID50 for this particular strain of bacteria is 100,000 bacteria, when is the latest that Dr. P could have eaten the turkey and had only a 50% chance of getting infected?
Transcribed Image Text:2. Unbeknownst to Surrena, the actual reason for her headache is
not the noise generated by her 20 young cousins, but a
bacterial infection caused by eating a piece of turkey that had
been left out too long. At 4:00pm, the piece of turkey was
host to a colony of 20,000 bacteria. By 7:00pm, the colony
had grown to 300,000 bacteria.
(a) Assuming that the bacteria continued to reproduce at the
same relative (percent) rate, how many bacteria were on the
piece of turkey when Surrena ate it at 8:45pm?
(b) Ingesting just one bacterium usually will not cause an
infection but ingesting enough bacteria usually will (if the
bacteria can live and reproduce inside of the human body).
Biologists often talk about the "infectious dose" (or ID50)
of bacteria necessary to cause an infection in 50% of
infected hosts. Assuming that the ID50 for this particular
strain of bacteria is 100,000 bacteria, when is the latest that
Dr. P could have eaten the turkey and had only a 50%
chance of getting infected?
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