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Artyom0805 [142]
3 years ago
5

A scientist working in a lab wants to determine the precise pH of a solution. Which tool should the scientist use to measure pH?

Biology
2 answers:
Leviafan [203]3 years ago
5 0
Universal indicator
fomenos3 years ago
3 0

PH meter, which is a device used to measure hydrogen-ion activity in the solution. A PH meter is a voltmeter stuck to a pH electrode and a reference electrode. -maclittleseed

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If the dominant allele is t and the recessive allele ("non-taster") is n, than tn and tt are the  genotypes of a "taster". tn is heterozygous and tt is dominant homozygous. nn is the genotype of a "non-taster" and it is recessive homozygous.

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ASAP ... Which of the following is a mobile body type of cnidarians?
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Which of the following statements about chemiosmosis is NOT true?
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Answer:

I don't know the answer to the first one, but I can answer the second question. <em>Cellular respiration </em><u><em>has carbon dioxide and water as waste products</em></u><em>.</em>

Explanation:

<em>Cellular respiration</em> does <u>not</u> form glucose & oxygen and doesn't occur in the chloroplast, but does form <em>ATP energy</em>, <em>carbon dioxide</em>, & <em>water</em> and the process occurs in <em>mitochondria</em>. Photosynthesis on the other hand forms glucose & oxygen and does occur in the chloroplast.

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3 years ago
Mendel determined that for a given character(i.e. pea seed shape) an individual has two factors that these can exist in two form
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Answer:

a. different alleles of the seed shape gene.

Explanation:

Mendel crossed different varieties of pea plants and he observed how phenotypic traits passed to the progeny. From these experiments, Mendel formulated the 'First Law of Segregation', where he observed that traits may exist in pairs that segregate (separate) at meiosis. During meiosis, i.e., gamete formation, these two factors separate from each other, thereby each gamete has the same probability of receiving either factor. Nowadays, we know that these two factors represent two different gene variants or 'alleles' for a given gene <em>locus</em>. Alleles can be classified into dominant or recessive as in the example above described, where the R factor (round) dominates on the r factor (wrinkled) to determine the seed shape.

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lilavasa [31]

Answer:

D. the genetic material of living organisms

Explanation:

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