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OAE Integrated Science (024) Practice Tests & Test Prep by Exam Edge - Review



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OAE Integrated Science - Reviews


   Excellent
Based on 85 reviews

Stephanie


"Today I took my test and passed with confidence. I took it the first time and failed, but after purchasing this study guide, I was provided with resources that allowed me to take the test and get through it without being nervous. Allot of the questions that were provided in this study guide, were similar to the questions in the real test. I would suggest anyone who is looking for a study-guide to get this, because it well worth your money and time! -Stephanie "

Gracyn


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"Studied a practice test everyday, and passed my test!"

Cherish


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"Great program to study from. Audio and images REALLY boosted my understanding of subjects."



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See why our users from 154 countries love us for their exam prep! Including 85 reviews for the OAE Integrated Science exam.

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we're here to help you prepare for test day.

   Excellent -- Based on 85 reviews

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OAE Integrated Science - Test Reviews Sample Questions

A genetic mutation is  which of the following?

Correct Answer:
a change in the coding of the base pairs.


a genetic mutation refers to a change in the sequence of base pairs in the dna molecule. this alteration can occur due to a variety of factors including environmental influences, errors during dna replication, or through inherited genetic traits. dna is composed of a sequence of nucleotides, each containing a sugar, a phosphate group, and a nitrogenous base. the four types of bases are adenine (a), thymine (t), cytosine (c), and guanine (g). the specific order of these bases determines the genetic instructions used in the development, functioning, and reproduction of organisms.

when a mutation occurs, it means that there has been a change in the normal sequence of these bases. this change can affect a single base pair (called a point mutation), delete base pairs, or add new ones. these alterations can lead to changes in the proteins that are produced, as proteins are direct products of the genetic code through the processes of transcription and translation. depending on where in the genetic code the mutation occurs, it might have a significant impact, a minor one, or none at all.

gene mutations can manifest as either negative or positive effects on the organism. negative mutations may lead to diseases or malfunctions, such as cystic fibrosis or sickle cell anemia, which are both caused by specific genetic mutations. on the other hand, positive mutations can provide advantages, such as increased resistance to diseases or adaptations to new environments, which can be crucial for survival and evolution.

moreover, mutations are not always categorized as simply negative or positive. some mutations may be neutral, causing no noticeable effects on the organism’s ability to survive and reproduce. these mutations often occur in non-coding regions of dna, which do not produce functional proteins and therefore do not impact the organism's phenotype.

in summary, a genetic mutation is a change in the coding sequence of dna base pairs. this change can vary in its effects, potentially leading to genetic disorders or providing evolutionary advantages. understanding mutations is crucial for fields like genetics, medicine, and evolutionary biology, as they are fundamental to genetic variation and species adaptation.