Bhcs1002 exam questions Study guides, Class notes & Summaries

BHCS1002 Exam Questions with All Correct Answers 2 Stages of Cell Division in Eukaryotic Cells? - ANSWER Interphase and M phase Interphase stages - ANSWER G1, S, G2 G1 - ANSWER First gap phase - cell grows, new organelles and proteins S - ANSWER synthesis phase - cell replicates its DNA in nucleus, centrisome duplicates G2 - ANSWER Second gap phase - cell keeps growing and proteins needed for mitosis are made What are the stages of mitosis? - A...

BHCS1002 2023 Exam with Complete Solutions Questions Chargaff's Rule for DNA - ANSWER %A=T and %C=G What is chromatin made of? How does it allow packaging of DNA into the nucleus of eukaryotic cells? - ANSWER Chromatin= protein + DNA positive charge to facilitate binding to DNA Chromosome are highly organised, tightly packed Core histones form a nucleosome with DNA Linker histones more variable Enzymes involved in DNA replication - ANSWER DNA helicase and DNA polymer...

BHCS1002 Exam Paper - Jan 2018 Questions and Answers All Correct The membrane potential of any living cell is partially the result of: - ANSWER A membrane that is leaky to potassium conductance During the depolarisation phase of an action potential: - ANSWER the membrane conductance to sodium > potassium At the mammalian synaptic cleft, the synaptic delay is typically: - ANSWER measurable and usually < 1ms Which of the following combinations of neurotransmitter...

BHCS1002 2018/2019 Exam Questions with Complete Solutions what does the PR segment represent on the ECG? - ANSWER ventricular systole The membrane potential of any living cell is partially the result of: a) a transient increase in the membrane to sodium conductance b) a membrane that is leaky to sodium conductance c) a transient increase in the membrane to potassium conductance d) a membrane that is leaky to potassium conductance e) a membrane that is leaky to chloride conducta...

BHCS1002 2023 Exam Questions with All Correct Answers Which structures prevent individual cardiomyocytes from pulling apart during contraction? - ANSWER desmosomes where does the cardiac conduction sequence start? - ANSWER sino-atrial node which wave of the ECG represents atrial depolarisation? - ANSWER P which is not part of the cardiac cycle? - ANSWER one complete inhalation and exhalation of breath which is not part of the mechanical events in the cardiac...