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BabaBlast [244]
4 years ago
14

Which is the first step in the titration process

Biology
2 answers:
kipiarov [429]4 years ago
6 0
The answer is A. Clean and rinse the burette with water
timama [110]4 years ago
3 0
The first step in the titration process is; A measured volume of an acid or base of (un)known  concentration is added to a flask. The second step is several drops of indicator are added to the solution, and the third step is ; the measured volumes of a base or acid of known concentration are added, using a burette, until the indicator just barely changes color (end point or the equivalence point).
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If this is on the gene in the DNA, how would the mRNA copy of it read? AATGCTCAG
mario62 [17]

Answer:

The answer would be A.

Explanation:

In mRNA sequence, the base T will be replace by base U. So in this case, DNA sequence is AATGCTCAG, then mRNA sequence is AA<u>U</u>GC<u>U</u>CAG.

3 0
3 years ago
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Which of the following would be part of a recyling plan​
levacccp [35]

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whats the options?

Explanation:

5 0
3 years ago
In vertebrates, the embryonic ____ is replaced by tissues that form a vertebral column.
Alchen [17]
Notochord

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3 years ago
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Quentin has blue eyes, blond hair, freckles, dimples and flat feet. which of these traits are polygenic?
inessss [21]
The answer is the first choice: Blue Eyes.

Polygenic traits are those controlled by two or more genes (hence the name "poly" in the term). Other examples would be skin color and height.

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8 0
3 years ago
which structure in leaves allows the gaseous reactants and products of photosynthesis to move in and out a b c d
Zepler [3.9K]

Answer:

Stomata

Explanation:

Photosynthesis is a unique phenomenon which occurs in the Chloroplast of plant cells. It is the way they synthesize their food in form of glucose. However, like every metabolic reaction, photosynthesis requires certain reactants and products.

Photosynthesis combines carbondioxide (CO2) gas and water (H2O) in the presence of sunlight to produce Glucose (C6H12O6) and oxygen gas (O2). The gaseous components of this metabolic activity enters (C02) and leaves (O2) the plant via a structure in the leaves called STOMATA.

STOMATA is a pore found in the epidermis layer of plant leaves that aids in the exchange of gases i.e. carbondioxide in, oxygen out during Photosynthesis.

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