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natima [27]
3 years ago
9

Which of the following most often the start of a scientific investigation

Biology
1 answer:
Flura [38]3 years ago
3 0

the most often the start of a scientific investigation. is observation

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Adjustment knobs are used to focus light in a light microscope
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When comparing the dermis with the subcutaneous tissue, the dermis and the subcutaneous layer do not contain collagen. contains
bazaltina [42]

The hypodermis (subcutaneous tissue) is the innermost layer of skin in your body. The dermis is the middle layer. The epidermis is the outermost layer.

<h3>What does the subcutaneous layer consist of?</h3>

Subcutaneous tissue is the deepest layer of your skin. It's made up mostly of fat cells and connective tissue. The majority of your body fat is stored here. The subcutaneous layer acts as a layer of insulation to protect your internal organs and muscles from shock and changes in temperature.

<h3>What is not found in dermis?</h3>

The answer is C fat cells. So the dermis is between the epidermis and the subcutaneous tissues.

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5 0
2 years ago
a guinea pig with hair (HH) is breed with a guinea pig without hair (hh) what would the phenotype of their offspring be?
iren [92.7K]

Answer:

<u>the genotype is (Hh)</u> <u>phenotype hybrid which is a Guinea pig with hair</u>.( hybrid means its not a pureblood haired Guinea pig. pureblood means same. EX: (GG). Guinea pig with hair. its also known as heterozygous, and zygous.)

witch also means  its heterozygous. there is no percentage chance for something to have a different genotype of phenotype.

6 0
2 years ago
What is waters role in light reactions
lisov135 [29]

Answer:

water act as a reactant in light reaction.

Explanation:

Water undergo hydrolysis in presence of sunlight to form proton(H+) and hydroxyl ion(OH-) ion. The OH- ion liberates electron to reaction center of photosystem 1 thereby exciting the later .The excited photosystem then donates that extra electron to the primary electron acceptor and from the primary electron acceptor the electron moves through various electron carriers to generate ATP .

    Basically water act as reducing agent in photosynthesis process.

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Much of the pollution in the environment is a result of
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I may be wrong but try A.

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