BIOLOGY HIGH SCHOOL

There is only one tool used to heat equipment in the laboratory.
a. True
b. False

Answers

Answer 1
Answer: It is false. There are three types of things used for heat in a laboratory such as laboratory burners, hot plates and heaters are the three pieces of laboratory equipment that are used to modify laboratory experimental conditions above ambient temperatures. 

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Mark knows that animals reflexively blink when air is puffed at their eyes. Now Mark wants to use this fact and classical conditioning to train a rat to blink when it hears a tone. What would the neutral stimulus be in this situation?
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Which cell cycle checkpoint determines whether the DNA has been replicated correctly? a. the cell growth checkpoint b. the DNA synthesis checkpoint c. the mitosis checkpoint d. the G2 checkpoint

Answers

b. The DNA synthesis checkpoint

When light energy excites electrons in photosystem II, where do the electrons to replace them come from?

Answers

the electrons are already there in photosystem II, they are just in a cloud that is around the positive nucleus! 

HELP ASAP In a breed of dogs, the BbEe genotype gives rise to yellow fur color, the Bbee genotype gives rise to black fur color, and bbee gives rise to brown fur color. Which of the following terms can be used in categorizing this inheritance pattern? A. codominance
B. incomplete dominance
C. multiple alleles
D. polygenic

Answers

Answer:

The most appropriate polygenic.

Polygenic trait refers to the trait which is controlled by two or more genes.

For example, height and skin color.

In the given breed, the phenotype of fur color is controlled by the interaction of two genes; gene B and gene E.

Thus, it is an example of polygenic inheritance.
Codominance means both exist

Incomplete means mix of two

Multiple alleles is when theres more than 2 like for describing blood type

So the answer is polygenetic!

The tiny openings through which evaporation takes place in the leaves of plants are called _____.holes
chloroplasts
vaporizers
stomata

Answers

Answer:

Stomata

any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.

Explanation:
The tiny openings through which evaporation takes place in the leaves of plants are called stomata.

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1Q Differentiate between the following(b) Zoo and wildlife sanctuary


Answer in 1 point

Answers

Zoo is place where animals are maintained for public display.

Sanctuaries are protected regions where wild animals live in natural habitats.

zoo:. Animals are brought from different parts of the country. sanctuary:It contains animals native to that area.

zoo: It is an artificial habitat. sanctuary: It is a natural habitat.

If given the choice between travelling through a vessel with high resistance and one of low resistance, blood will travel through the vessel of most resistance. a. True b. False

Answers