WGU C190 INTRO TO BIOLOGY LATEST UPDATED VERSION ACTUAL EXAM 300 COMPLETE REAL QUESTIONS AND CORRECT ANSWERS (CORRECT VERIFIED SOLUTIONS) GUARANTEED PASS.

WGUC190INTRO TO BIOLOGY j j j j




PRACTICE TEST EXAM | NEWEST ACTU j j j j j




AL EXAM COMPREHENSIVE QUESTION
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SANDVERIFIEDANSWERS GRADED A+
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| 100% PASS | 2025 UPDATE! j j j j j




Where in DNA is information stored? -
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✔✔✔ Correct Answer > In the sequence of bases, which codes for the ins
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tructions for protein synthesis j j j




Does fermentation use the electron transport chain? -
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✔✔✔ Correct Answer > No, the electron transport chain requires oxyge
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n, and fermentation can occur in the absence of oxygen
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The sequence of DNA bases is arranged into - ✔✔✔ Correct Answer
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> genes, most of which contain the instructions to build a protein.
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The process of fermentation -
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✔✔✔ Correct Answer > Cellular respiration and fermentation both brea
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k down organic molecules to build ATP. However, cellular respiration is aero
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bic while fermentation is anaerobic.
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,Cellular respiration produces as much as 15x more ATP than fermentation
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Anabolic reactions - j j



✔✔✔ Correct Answer > Use energy to build complex molecules
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Catabolic reactions - j j



✔✔✔ Correct Answer > Harvest the energy stored in the complex molec
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ules by breaking them down into simple precursors.
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To prevent DNA in chromosomes from being tangled -
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✔✔✔ Correct Answer > The DNA is wound around histone molecules
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The DNA becomes shorter after it is wound, 6 feet when stretched out straig
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ht but fits into a cell smaller than the naked eye when wound
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Chromosomes in the S phase of the cell cycle - ✔✔✔ Correct Answer j j j j j j j j j j j j



> DNA is unwound slightly from histone molecules when anew copy of DNA i
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s made in S phase
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Chromosomes after S phase - j j j j



✔✔✔ Correct Answer > After chromosome has replicated, the two copi
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es remain attached at point called the centromere
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,Each copy of the chromosome is called a chromotid. Helps the sorting proce
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ss


Chromosomes during M phase - j j j j



j✔✔✔ Correct Answer > Chromosomes are condensed by wrappin
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g them tightly around histones before they are moved to new location
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s during mitosis
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Diploid - j



✔✔✔ Correct Answer > Organisms with two sets of chromosomes
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Designation for diploid is 2n. The "n" designation refers to the chromosome
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s, and the 2 refers to the organism having two of each chromosome
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Homologous chromosomes - j j



✔✔✔ Correct Answer > Two copies of each chromosome
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The two homologous chromosomes contain the same set of instructi
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ons (called genes). E.g. Hair color, height, blood type
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Alleles - j



✔✔✔ Correct Answer > Different specific versions of a chromosome
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, E.g. Both homologous chromosomes may control the hair color gene but
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they can have different alleles (versions) of these genes. One has gene co
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ding for light hair, one has coding for dark hair
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Haploid - j



✔✔✔ Correct Answer > Cells that have only one copy of each chromoso
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me. Can be designated as 1n
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Somatic cells - j j



✔✔✔ Correct Answer > Most cells in multicellular organisms are somati
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c cells
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Consist of all the non- j j j j



reproductive cells in an organism. E.g. Tissue cells, nerve cells, blood cells j j j j j j j j j j j




Somatic cells go through mitosis when they divide, resulting in two identical
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daughter cells j




Meiosis - j



✔✔✔ Correct Answer > Type of cell division that prepares an organism fo
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r sexual reproduction
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Begins with germ cells found in ovaries and testes. These cells go through m
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eiosis to produce gametes (sperm and egg cells)
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Gametes - j



✔✔✔ Correct Answer > In animals, sperm and egg cells. Germ cells go thr
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