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Sladkaya [172]
4 years ago
15

What is the optimum ph for the functioning of pepsin

Biology
1 answer:
algol134 years ago
4 0
1.5 to 2.I hope this helps
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When will natural selection occur?
ozzi

Answer:

B.When there is limited food

Explanation:

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Bipedalism in humans, when compared to knuckle walking in the African apes, represents what type of process or trait?
Ilia_Sergeevich [38]

Answer: A. ancestral trait

Explanation:

Bipedalism can be define as a form of terrestrial locomotion, in which the organism moves with the help of two rear limbs or legs. Typical bipedal movements includes the hoping, running and walking. The evolution of the human bipedalism occurred in primates in about 4 million years ago with Sahelanthropus (oldest human ancestors or African Apes). The human ancestor Sahelanthropus led to the morphological alterations in the human skeleton including changes in the bones such as size of the bones of the foot, knee size, shape and orientation of the vertebral column, and leg length. All these changes contributed to the bipedalism.

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3 years ago
Exposure to certain foods or environmental agents can cause a severe allergic reaction known as anaphylaxis. Common symptoms of
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Answer:

Respritory

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3 years ago
Which of the following is not part of a microarray used to detect SNPs? Question 2 choices Choice A., short DNA sequences attach
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Choice C: mRNAs that are expressed from a specific gene.

8 0
4 years ago
Match the names of the microscope parts in column A with the descriptions in column B. Place the letter of your choice in the sp
mezya [45]

Answer:

Adjustment knob (coarse) ---> Causes stage (or objective lens) to move upward or downward

Arm ---> Serves as a handle for carrying the microscope

Condenser ---> Concentrates light onto the specimen

Eyepiece (ocular) ---> Contains a lens at the top of the body tube

Field of view ---> Circular area seen through the eyepiece

Iris diaphragm ---> Increases or decreases the light intensity

Nosepiece ---> Part to which the objective lenses are attached

Objective lens system ---> After light passes through the specimen, it next enters this lens system

Explanation:

The microscope is an essential equipment used in science laboratories to view objects which are too small to be seen by the naked eye. Also certain processes which occur at the microscopic level can only be observed using a microscope.

There are many different types of microscopes. The compound light microscope is the one most commonly used in biological laboratories to view tissues and cells of organisms. It uses visible light which passes through two separate lens to magnify the image produced of a specimen.

The various parts of compound light microscope and their respective functions are given below:

Adjustment knob (coarse) ---> Causes stage (or objective lens) to move upward or downward

Arm ---> Serves as a handle for carrying the microscope

Condenser ---> Concentrates light onto the specimen

Eyepiece (ocular) ---> Contains a lens at the top of the body tube

Field of view ---> Circular area seen through the eyepiece

Iris diaphragm ---> Increases or decreases the light intensity

Nosepiece ---> Part to which the objective lenses are attached

Objective lens system ---> After light passes through the specimen, it next enters this lens system

Stage ---> Platform that supports a microscope slide

Stage (slide) clip ---> Holds a microscope slide in position

8 0
3 years ago
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