3 years ago

All of the following are possible sources of error in a scientific investigation except for

Biology

2 answers:

Fed [463]3 years ago

8 0

d. having a constant in your experiment

cupoosta [38]3 years ago

3 0

The correct answer is option D. Having a Constant In Your Experiment.

The errors in the scientific experiments can occur due to many reasons. The main reason of any error in the scientific investigation is the experimental errors, which include the errors during the data collection and performing an experiment.

Having a constant in an experiment is not a source of error. Constant helps in study the effect of other variables, which are being tested.

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Crude oil is turned into usable forms of energy in a ______.

iren [92.7K]

Answer: C) Turbine

Explanation: Crude oil is turned into usable forms of energey by a Combustion Turbine. Hope this helped!

5 0

2 years ago

Hemoglobin is a complex protein that contains four polypeptide chains. The normal hemoglobin found in adults, called adult hemog

AlekseyPX

Answer:

GUA and GUG.

Explanation:

If you look at the attached genetic code, the wild-type glutamic acid (Glu) is coded by the codons GAA and GAG.

Valine (Val) can be coded by the codons GUU, GUC, GUA or GUG.

Sickle-cell hemoglobin arises from a single mutation, which causes the translation of Val instead of Glu. The only codons that code for Valine that differ in just one base with the Glu codons are GUA and GUG.