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nevsk [136]
3 years ago
13

White spotting, or piebald trait, characterized by an absence of hair pigment in specific places, is caused by mutant copies of

a
Biology
2 answers:
Alexus [3.1K]3 years ago
4 0

Answer:

gene

Explanation:

took the usatestprep

Roman55 [17]3 years ago
3 0
The answer is a gene.

During an embryogenesis, cells divide to form tissues and organs. In some moment, a mutation could occur in a gene in some cell. The copies of those genes molecules will be mutant copies and will be present only in that cell line. That is why pigment is absent only in specific places.
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Which graph displays the motion of the wood block?
Masteriza [31]

D.

The block of wood does not stop moving at any time as shown on the chart, so the answer can't be A. or C. and the speed is not increasing  so it can't be B.

7 0
2 years ago
When we rest immediately after completing an intense workout, our muscles will soon switch from:
natita [175]

Aerobic respiration to lactic acid fermentation, lactic acid is the reason your muscles get sore after a workout

Hope this helps.
8 0
3 years ago
An egg is protected by its outer shell. However, the shell also allows moisture and air to pass through. Which cell structure pe
ElenaW [278]
A cell membrane would most likely be close to an egg structure. A cell membrane is a selective permeable to ions and organic molecules and controls the movement of substances in and out of the cell. 

The basic function of the cell membrane is to protect the cell from its surroundings. It consists of the lipid bilayer with embedded proteins.
7 0
3 years ago
Read 2 more answers
3) The oceans and the atmosphere work together through global currents that do what?
belka [17]

Answer:

The correct answer is D)

Cycle energy and matter to support the biosphere as a closed energy system

Explanation:  

The earth as we know it is a closed energy system that is, matter cannot be introduced or removed from it. Sometimes, rare meterites enter into the system with minimal or no disruption.

Also, energy can enter and leave. The energy mostly referenced here is the sun.

Within the earths system, the lithosphere, hydrosphere, and biosphere materials and energy go through a cycle which helps to support life.

For example, water when heated up by the sun rises as vapour from the earth and oceans into the atmosphere where it cools and condenses. When it cools and condenses, it , in the form of rain, comes down on the earth and oceans. As rain falls down to the earth and runs off the rocks, rocks are broken down into smaller fragments and soils.  The hydrosphere comprises of all water bodies on earth. Besides the vapours which are evaporated from the same into the atmosphere, when volcanoes erupt they also send vapourised water into the atmosphere.

So because the earth is a closed system, a change in one sphere effects a change in others. An example is a change in the water cycle.

Cheers

8 0
2 years ago
How are aerobic respiration and anaerobic respiration different
gogolik [260]

Answer:

Aerobic respiration occurs in the presence of oxygen.

C6H12O6(glucose) –> 2CH3CH2OH(ethanol) +2CO( carbon dioxide) + energy

Anaerobic respiration get energy by breaking down glucose in the complete absence of oxygen.

C6H12O6(glucose) –> 2CH3CH(OH)COOH (Lactic acid) + energy.

6 0
3 years ago
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