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MCA Elem Ed MC All Subtests (07-010) Practice Tests & Test Prep by Exam Edge - Topics



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Understanding what is on the MCA Elem Ed MC All Subtests exam is crucial step in preparing for the exam. You will need to have an understanding of the testing domain (topics covered) to be sure you are studying the correct information.

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MCA Elementary Education Multi-Content All Subtests Exam Blueprint

Understanding the exact breakdown of the MCA Elementary Education Multi-Content All Subtests test will help you know what to expect and how to most effectively prepare. The MCA Elementary Education Multi-Content All Subtests has 160 multiple-choice questions The exam will be broken down into the sections below:

MCA Elementary Education Multi-Content All Subtests Exam Blueprint
Domain Name % Number of
Questions
English Language Arts
     Foundations of Language and Literacy Development 25% 10
     Text Comprehension and Vocabulary Development 25% 10
     Reading Literature and Informational Texts 25% 10
     Processes, Modes, and Conventions of Written and Oral Communication 25% 10
Mathematics
     Numbers and Operations 40% 16
     Algebraic Relationships 35% 14
     Measurement, Geometry, and Data 25% 10
Science
     Science and Engineering Practices and Crosscutting Concepts 35% 14
     Biology 30% 12
     Physical Science and Earth Science 35% 14
Social Studies
     History 34% 14
     Geography 33% 13
     Government and Economics 33% 13

MCA Elementary Education Multi-Content All Subtests - Exam Topics Sample Questions

DNA and RNA are made up of nucleotides, which are formed from a five-carbon sugar, a nitrogenous base, and one or more phophate group.  While DNA is made up of the sugar deoxyribose, RNA is made up of the ____________________.

Correct Answer:
sugar ribose
dna (deoxyribonucleic acid) and rna (ribonucleic acid) are both critical molecules involved in cellular genetics. both are nucleic acids and serve as the means by which genetic information is passed from one generation to the next. however, while they are similar in many ways, they possess distinct differences that play crucial roles in their function within living organisms.

both dna and rna are polymers made up of units called nucleotides. each nucleotide consists of three components: a five-carbon sugar, a phosphate group, and a nitrogenous base. the type of sugar present in the nucleotide defines whether the molecule is dna or rna. in dna, the sugar is deoxyribose, which lacks an oxygen atom at the 2' position of the carbon ring, whereas in rna, the sugar is ribose, which includes an oxygen atom at the same position. this structural difference affects the stability and reactivity of the two molecules, with rna being more prone to hydrolysis due to the presence of the hydroxyl group at the 2' position.

the nitrogenous bases in dna and rna are molecules that contain nitrogen and carbon. both dna and rna contain the bases adenine (a), guanine (g), and cytosine (c). however, the fourth base differs between the two: dna contains thymine (t), whereas rna contains uracil (u). this difference is critical in the processes of transcription and translation, where dna is used to create rna, and subsequently, rna is used to produce proteins. in these processes, adenine pairs with thymine in dna and with uracil in rna, while guanine always pairs with cytosine. the pairing is specific and is governed by hydrogen bonds, which help stabilize the nucleic acid structures.

each base pairing is specific and forms a structure known as a base pair, which is fundamental to the double helix structure of dna and the single-stranded form of most rna. adenine pairs with thymine (or uracil in rna) via two hydrogen bonds, while guanine pairs with cytosine via three hydrogen bonds. this pairing ensures the fidelity of the genetic information during replication in dna and transcription into rna.

in summary, while both dna and rna are composed of similar building blocks, the sugar component of each—deoxyribose in dna and ribose in rna—plays a crucial role in distinguishing the two molecules. this difference, in conjunction with the unique nitrogenous bases, enables dna and rna to perform their essential roles in genetics and protein synthesis.