BIOLOGY HIGH SCHOOL

Which soil characteristic allows greater amounts of water retention?

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Answer 1
Answer: The soiil particles should be small and grainy, similar to sand so that the water can be stuck in the small spaces between the particles.

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HIGH SCHOOL

One of the major functions of the human pancreas is to release hormones in order to quickly and precisely control levels of glucose in the blood. The diagram shows the structure of a pancreatic islet. Pancreatic islets are made up of tightly packed beta cells, which are responsible for the production of the hormone insulin, as well as blood vessels that run throughout the structure. Insulin is one of the primary hormones involved in glucose regulation. Based on this information, which statement best describes how the structure of a pancreatic islet helps the body regulate blood glucose levels? A. The structure of a pancreatic islet allows the islet to act as a vesicle where excess hormones can be stored.

 B. The structure of a pancreatic islet enables hormones to be released directly into the bloodstream.
 C. The structure of a pancreatic islet enables hormones to be removed from the bloodstream and broken down.
 D. The structure of a pancreatic islet prevents hormones from combining in the bloodstream.

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In general, the pancreas is one of those organs in our body the regulates hormones, specifically insulin and glucagon. Insulin is very essential in the control of blood sugar for these serves as the vehicle in order to distribute these sugars to all the cells in the body. Based on the description above, the structure of the pancreatic islets helps in the regulation of blood sugar enables the hormones to be released directly into the bloodstream. The answer is B.
HIGH SCHOOL

The process of bringing a solid substance into the cell is known as __________.

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The process of bringing a solid substance into the cell is known as phagocytosis. It is a process in cells where they ingest solid particles in order to feed on it, destroy or obtain certain information from it. It is a specific type of endocytosis.
HIGH SCHOOL

In rabbits the coat color black dominant (B) over chestnut (b). Short hair is dominant (S) over long (s). In a cross between a homozygous black short haired male and a brown long haired female, what would the possibilities for genotype and phenotype of the F1 generation?

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F1 generation will be phenotype of both dominant alleles (black dominant B and short hair S) but will be carriers and have genotypes of both recessive alleles (chestnut b and long hair s).

The F2 generation will show recessive phenotype traits when crossed with another rabbit that also possesses recessive alleles.
COLLEGE

What is an example of external stimulus that might cause eye squinting? A noise B sunlight C temperature or D poor eyesight

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Your answer is B hope this hepls





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