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LUCKY_DIMON [66]
3 years ago
14

1. mutations cause A. DNA screenings B. genetic finger prints C. genetic disorders D. protein synthesis

Biology
1 answer:
emmainna [20.7K]3 years ago
4 0

Answer:

A ) DNA screening

Explanation:

mutations changes up your DNA

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Water has special characteristics because of the nature of hydrogen bonds what are they?
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Water has special characteristics because liquid water is denser than ice and ice floats on top of liquid water​.

Answer: Option A & D

<u>Explanation:</u>

A water molecule is formed by the covalent bonding between two atoms of Hydrogen atom with one atom of Oxygen. In water, the Hydrogen bonds are the one that keeps the water molecule intact.  

When the water molecule freezes the bonding becomes weak as they are separated and set apart which makes the liquid water denser than ice. Normally a substance floats if it is less dense. Ice floats because it is less dense than water.  

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. <br> Define the term enzyme. Describe how enzymes influence metabolic reactions in the cell.
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Name and describe all of the weather fronts.
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Answer:

four different types of weather fronts: cold fronts, warm fronts, stationary fronts, and occluded fronts.

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A cold weather front is defined as the changeover region where a cold air mass is replacing a warmer air mass. Cold weather fronts usually move from northwest to southeast. ... Warm fronts usually move from southwest to northeast and the air behind a warm front is warmer and moister than the air ahead of it.

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8 0
3 years ago
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What is the pH if 20 mL of pH = 2 solution is diluted to a final volume of 600 mL?
Mashutka [201]

Explanation:

Hydrogen atoms contain 1 proton and 1 electron while being devoid of neutrons. When they lose their electron they form an ion or H+, a particle carrying a unit of positive charge.  pH measures how basic or acidic a water-based solutions are, with a formula for pH is

pH = -log[H+].

...where pH is -base 10 log of the concentration of hydrogen ions within the solution.

Initial volume= 20 mL

Final volume= 600 mL

# of dilutions= \frac{600}{20} = 30

for a pH 2= [H+]= 10^{=2}

∴ [H+]=  \frac{10^{-2}}{30} = 3.333 * 10^{-4}

and pH is an antilog of [H+]= - log \frac{10^{-2}}{30} = 3.333 * 10^{-4}

∴pH = 3.47

Learn more about pH at brainly.com/question/4981491

Learn more about pKA at brainly.com/question/11062486

#LearnWithBrainly

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3 years ago
Energy used organisms is called?
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Option D would be that answer
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