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konstantin123 [22]
3 years ago
12

The group in a experiment that is not exposed to the variable is called the

Biology
1 answer:
Tpy6a [65]3 years ago
7 0

Answer:

is not exposed to the independent variable under investigation and so provides a base line against which any changes can be compared

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Serratia marcescens cells produce a red pigment at room temperature. The red color of the colonies is an example of which of the
Oliga [24]

Answer:

The red color of the colonies is an example of <u>a phenotype .</u>

Explanation:

Serratia marcescens -

They are the species ,that are , gram - negative bacteria , rod - shaped ,

they are from the family of Enterobacteriaceae .

Serratia marcescens are mostly found in the urinary and respiratory tracts of the hospitalized adults and in children , in  the gastrointestinal systems .

S. Mercescens are most commonly found in the environment , growing the bathroom and dirt .

It is gram-negative, produces a reddish - orange tripyrrole pigment called the prodigiosin , is an example of phenotype .

7 0
3 years ago
Explain why cyclists, runners, and other endurance athletes train at high altitudes.
Sliva [168]

Answer:

higher altitudes have a lower level of oxygen which in turn, trains your lungs to hold and breathe more oxygen which also helps you cycle, run, etc. longer than usual

Explanation:

3 0
3 years ago
HELP PLS! I WILL GIVE BRAINLIEST!! :))
Vsevolod [243]

Answer:

Water flowing over Earth's surface or underground causes erosion and deposition. Water flowing over a steeper slope moves faster and causes more erosion. Erosion and deposition by slow-flowing rivers create broad floodplains and meanders. Deposition by streams and rivers may form alluvial fans and deltas.

Explanation:

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5 0
2 years ago
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Which phrase best defines rocks? A. objects made of crystals, minerals, water, and air B. objects made of crystals and water C.
galina1969 [7]
A. objects made of crystals minerals water and air

Process of elimination-
there isn’t organic matter in rocks so D is out
they are made of minerals so B is out
some types of rock (pumice) have air bubbles in them so A is more likely than C
3 0
3 years ago
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Explain how DNA replication differs in prokaryotic and eukaryotic cells?
Sindrei [870]

In prokaryotic cells, there is only one point of origin, replication occurs in two opposing directions at the same time, and takes place in the cell cytoplasm. Eukaryotic cells on the other hand, have multiple points of origin, and use unidirectional replication within the nucleus of the cell.

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3 years ago
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