BIOD 102 PORTAGE LEARNING EXAM QUESTIONS AND ANSWERS|LATEST 2025/2026|100% CORRECT|GRADED A+

BIOD 102 PORTAGE LEARNING EXAM
QUESTIONS AND ANSWERS|LATEST
2025/2026|100% CORRECT|GRADED A+
What are the 2 phases of the cell cycle? - ANSWER-
B B B B B B B B B B Interphase and Mitotic phase B B B




What does interphase consist of? - ANSWER-
B B B B B B G1, S, G2
B B




G1 and G2 - ANSWER-
B B B B



the gap phases that are characterized by cellular growth such as protein and organelle
B B B B B B B B B B B B B B



production



S phase - ANSWER-
B B B



the time during which chromosomes are duplicated and essential DNA information is r
B B B B B B B B B B B B



eplicated to be passed to daughter cells during mitosis
B B B B B B B B




Mitosis - ANSWER- B B



the division of genetic material; can be broken down into 5 subphrases (prophase, pro
B B B B B B B B B B B B B B



metaphase, metaphase, anaphase, and telophase) B B B B




Cytokinesis - ANSWER- B B the process of dividing the cell's cytoplasm
B B B B B B




Origin of Replication - ANSWER-
B B B B



located along the strands of DNA are short nucleotides; the nucleotide sequence at eac
B B B B B B B B B B B B B



h origin of replication encodes for a start signal at which the process of replication will be initia
B B B B B B B B B B B B B B B B B



ted by proteins that recognize and bind to those sequences
B B B B B B B B B




Helicase - ANSWER- B B



an enzyme that has the role of untwisting and separating the helix parent strands at the
B B B B B B B B B B B B B B B



B replication fork B

, Replication fork - ANSWER- Y- B B B



shaped area where the DNA strands are beginning to untwist
B B B B B B B B B




replication bubble - ANSWER- B B B



as the helices begins to separate the double strands, a visible replication bubble forms t
B B B B B B B B B B B B B B



hat will expand as replication continues along the strand
B B B B B B B B




single stranded binding proteins - ANSWER-
B B B B B



act as a wedge to keep the parent strands separated and stabilized
B B B B B B B B B B B




topoisomerase - ANSWER- B B



in the front of the fork and its function is to break the hydrogen bonds and the nucleoti
B B B B B B B B B B B B B B B B B



de bases and it plays a role in rejoining the DNA strands when replication is complete; it is able
B B B B B B B B B B B B B B B B B B



a stabilizing enzyme that reduces the strain in the strands that occur during replication
B B B B B B B B B B B B B B




RNA primers - ANSWER-
B B B complementary to the parental DNA strand B B B B B




RNA - ANSWER- B B single-
stranded and contains sugar ribose and it does NOT have a thymine but a uracil
B B B B B B B B B B B B B B




primase - ANSWER- B B



enzyme that facilitates the synthesis of an RNA primer by using the unwound DNA stra
B B B B B B B B B B B B B B



nd as a template; it binds to the 3' end of the parent strand and begins adding complementary
B B B B B B B B B B B B B B B B B



RNA nucleotides as it moves toward the 5' end of the parent strand
B B B B B B B B B B B B B




DNA polymerase - ANSWER-
B B B



enzymes that add nucleotides to the 3' end of the existing chain via dehydration reactio
B B B B B B B B B B B B B B



ns



triphosphate tail - ANSWER- B B B three phosphate group; has a negative charge around it
B B B B B B B B