BIOLOGY HIGH SCHOOL

Which is the correct order of development of the human embryo

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Answer 1
Answer: When the egg cell is fertilized with the sperm cell, it changes into a zygote. It then becomes a morula and blastula. Then it turns into grastula and neurula where neural plate is transformed into neural tube.. Finally, it becomes a human embryo.

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What is the function of sucrase in the breakdown of table sugar\

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A starch molecule is formed when many disaccharide molecules are combined.  Starch is often produced in plants as a means of storing energy. The two other molecules formed when multiple disaccharide molecules are combined are cellulose and glycogen. The cell walls in plants are made up of cellulose. Glycogen is a carbohydrate energy source. 
A disaccharide molecule is formed when two monosaccharide molecules are joined together. Maltose, sucrose and lactose are the most important disaccharides. A monosaccharide molecule is a simple sugar, for example, glucose. 

How does technology affect the advancement of science

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Well scientist have made the microscope and telescope and we have discover new bacteria and new plant(s) which has help a lot  

Which part of a lab Report would most likely show a line graph of the data collected

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Answer:analysis

Explanation:

Spermatogonia in the seminiferous tubules are located ________.

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Here is the answer:

Spermatogonia which is located in the seminiferous tubules are located  closest to the lumen of the tubule. Spermatogonia refers to spermatogenic cells and the sperm that are produced through spermatogenesis happen inside the seminiferous tubules which is located within the testes.

Bees can see colors we cannot see, and they can detect minute amounts of chemicals we cannot sense. Unlike many insects, bees cannot hear very well. A biologist would probably give which of the following as the ultimate explanation for their poor hearing?a.) If a bee could hear, its highly programmed brain would be overwhelmed with information.b.) If bees could hear, the noise of the hive would be overstimulating.c.) This is an example of altruism.d.) Bees are too small to have functional ears.e.) Hearing may not contribute much to a bee's reproductive success.

Answers

Answer: The answer would likely be E.

Explanation:

The biologist would likely explain this concept from the viewpoint of evolution. As hearing does not contribute to the bee's reproductive success, enhanced hearing traits in bees were not selected for and hence bees' hearing ability was not an adaptation that enhanced its reproductive success and bees cannot hear very well.

Which is an arrangement of genes consisting of an operator, a promoter, and a repressor?

Answers

The gene sequence containing an operator, promoter and repressor is known as an operon. These genes are called as structural genes. the operon is regulated by the presence/absence of the inducer such as glucose/lactose. It may also be a constitutive operon, which works all the time.

Answer:

D) Operon

Explanation:
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