BIOLOGY MIDDLE SCHOOL

3. Which of these substance has a brown color and isdetected by the spectrophotometer in our reaction?
A) Guaiacol
D) Tetraguaiacol
B) Peroxidase E) Hydrogen peroxide
C) buffer

Answers

Answer 1

Answer:

Answer:

E) Hydrogen peroxide

Explanation:

Hydrogen peroxide is the substance that has a brown color and is detected by the spectrophotometer in our reaction.

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Dr. Wexler supports a scientific theory because his best friend proposed it. He is guilty of____.A. Scientific fraudB. An honest mistakeC. BiasD. Noncompliance
Distanta optima dintre ochi si carte în timpul cititului este circa 40cm?
Is bleach an acid or a base? And why?

What do the lymphatic system and the immune system have in common?

Answers

Answer: The lymphatic system is composed of lymph vessels, lymph nodes, and organs. The functions of this system include the absorbtion of excess fluid and its return to the blood stream, absorption of fat (in the villi of the small intestine) and the immune system function.

Explanation:

Which is NOT an example of a natural resource? A- Gold B- Oil C- Wood or D- Buildings

Answers

Answer:

D. Buildings

Explanation:

Buildings are man made.

Answer:D

Explanation: Man makes building you can't find it naturally because they're built.

A food company has designed new types of breakfast cereal and is now working to decide which cereal to mass produce and begin selling. They can measure some traits of the cereals with scientific tools, but they also use small surveys to ask cereal buyers about their opinions. Which question could most likely be answered scientifically by the food company? Which cereal's box is the best color? Which cereal tastes the best to every eater? Which cereal contains the most sugar? Which cereal would sell the most boxes?

Answers

The food company’s questions are best answered by a combination of survey and scientific tools. To answer questions such as ‘which cereal's box is the best color?’ and ‘which cereal tastes the best to every eater?’ as well as ‘which cereal would sell the most boxes?’, the food company would need to conduct a survey to a group of people which resembles their target group most. The result would help them in answering those questions.

However, to answer ‘Which cereal contains the most sugar?’, the food company would need to use scientific tools to measure to sugar content in the cereal. This is the answer.

Answer: Which cereal contains the most sugar?

Explanation:

A scientific question can be define as the question which can only be answered by using experimentation procedures.

In the given condition, Which cereal contains the most sugar? The food company can conduct experimental trials to know the content of sugar. Hence, it is a scientific question.

Combination of allels inherited from parents

Answers

I believe the term you are looking for would be "genotype".
Genotype is the combination of the offspring alleles (or, the alleles inherited from the parents).
Hope this helped you! :)

How do cells.tissues,organs, and organ systems work together in a multicellular organism?

Answers

First of all, you need to know what cells are.

Cells are the organic building blocks for most organic matter. All cells have cytoplasm,a nucleus, mitochondria, a cell membrane and many other elements,depending on whether they are a plant or animal cell.

Cells live,move, and work together in order to perform a commonfunction.
A Group of cells is called tissue.
Tissues worktogether by combining with other types of tissues in order tocreate an organ, such as your heart.
Different organs function and work together to make a organ system.

Hope this helps! :)

Answer:

In the human body, cells are the basic units of life. Groups of cells working together for a specific function form tissues. Organs are two or more tissues operating together. Even separate organs work together, forming body systems.

Explanation:

What division do the simplest plants belong to?