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Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
Long strands of DNA are called _______.
a |
autosomes
|
b |
genes
|
c |
chromosomes
|
d |
chromatids
|
Expert Solution
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Deoxyribonucleic acid (DNA) is a molecule made up of two nucleotide bases that wrap around together to create a double helix and contain genetic information for all kinds of organisms and viruses' formation, responsible for function, development, and breeding. Nucleic acids include DNA and RNA.
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- The linear chromosomes of _________ cells terminate atboth ends in protective caps called telomeresarrow_forwardwhat is the correct answer? During telophase of mitosis: A. dyad chromosomes form B. DNA replicates C. chromosomes line up D. dyad chromosomes divide E. cytokinesis beginsarrow_forwardinterphase chromosomes are __________ while mitotic chromosomes are a. composed of 4 DNA strands; composed of 2 DNA strand b. composed of 1 DNA Strand; composed of 2 DNA strands c.composed of 2 DNA strands; composed of 1 DNA strand d. composed of 2 DNA strands; composed of 4 DNA strandsarrow_forward
- In eukaryotic cells, chromosomes are composed of _____. DNA and proteins DNA only DNA and RNA DNA and phospholipidsarrow_forwardPhases of the cell cycle (Mitosis) Interphase DNA, in the form of chromatin, replicates. Nucleolus is present, but may not be visible. Nucleus is clearly visible.arrow_forwardSister chromatids are joined at the ______.arrow_forward
- Progeria is a rare disease that causes accelerated aging and is due to a defect in ______. \ actin neurofilaments nuclear laminins microtubules vimentinsarrow_forwardDuring mitosis, the cohesin protein holds the sister chromatids together and is broken down by the ___________ protein. Shugosin protects cohesin from being broken down in the ________________ region until the anaphase stage when the sister chromatids separate. separase; centromere cyclin; centrosome H1 histone; heterochromatic shugoshin; nuclear ribobuclease; cytoplasmicarrow_forwardWhy must DNA replication have to occur before a cell can divide by mitosis? to cause all of the cells produced to havo haIf tho nunarrow_forward
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