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2 years ago

Why is aeration important in the tissue organ bath system?

Biology

1 answer:

dolphi86 [110]2 years ago

7 0

Answer:

The organ bath is a traditional experimental set-up that is commonly used to investigate the physiology and pharmacology of in vitro tissue preparations.

Explanation:

because my mom told me

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When conducting research that involves collecting biological specimens for genetic testing, which of the following issues is the

Inessa [10]

Answer:

A) Effect of findings on other family members would be most important factor.

Explanation:

Genetic research is done on human DNA to know the genes and environmental factors associated with certain disease.

Institutional review board (IRB) is the regulatory authority to protect the rights of subjects invloved in a resaerch.

The genetic reaerches usually involve families, so the researcher subjects and the result of research is related to all subjects that cause increased information flow between subjects and effect their decision to partcipate independently in research. Also, if the research involve therapeutic studies special precautions would be taken to choose the subject

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2 years ago

19. Which graph best shows how enzyme activity changes as the temperature is adjusted above and below the enzyme’s optimum tempe

aniked [119]

The graph would be the 4th picture, a bell-shaped graph.

The optimum temperature should have the highest rate of enzyme activity. When the temperature is increased or decreased, the enzyme activity would be decreased. The graph that follows both conditions should have a bell shape graph.

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2 years ago

Pepsin is a digestive enzyme. It is made in an inactive form, pepsinogen, which is activated by the acidity of the stomach to se

grandymaker [24]

Answer:

Explanation:

Pepsinogen is an inactive enzyme which is activated into active digestive enzyme known as pepsin. It is a digestive enzyme which causes breakdown of proteins. Active pepsin causes cleavage of more pepsinogen molecule by a positive feedback loop and leads to increase in the concentration of active pepsin molecule.

Its concentration increases according the requirement in the body which is controlled by feedback system.

5 0

2 years ago

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As cold, briny water from the antarctic circulates to the equator, it warms and rises. as it does, this upwelling carries nutrie

nataly862011 [7]

The answer is one (1) billion tons of phytoplankton at any one time. Annually, its recorded that there is approximately 45 billion tons of phytoplankton in the ocean. Other than being a source of food for fish, they are critical in the carb9n cycle. This phytoplankton incorporates 45–50 billion tons of inorganic carbon into their cells and are the largest source of atmospheric oxygen.

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2 years ago

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In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sal

Lera25 [3.4K]

Answer:

Genotype & Phenotype

BbFf - 4

bbFf - 4

Bbff - 4

bbff- 4

Phenotype

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

Explanation:

Given

Black hair allele is represented by "B"

Red hair allele is represented by "b"

Trait of having six fingers is represented by "F"

Trait of having five fingers is represented by "f"

Also , B is dominant over b and F is dominant over f

Genotype of sally having black hair and five fingers when her father has red hair is Bbff

Genotype fo Bill having red hair and six fingers when his mother had five fingers is bbFf

Bbff * bbFf

Bf bf Bf bf

bF BbFf bbFf BbFf bbFf

bf Bbff bbff Bbff bbff

bF BbFf bbFf BbFf bbFf

bf Bbff bbff Bbff bbff

Genotype & Phenotype

BbFf - 4

bbFf - 4

Bbff - 4

bbff- 4

Phenotype

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

5 0

2 years ago