Describe three distinct genetic regions of the human Y chromosome
What will be an ideal response?
PARs = pseudoautosomal regions, NRY = nonrecombining region of the Y, SRY = sex-determining region
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Match the following items with the correct phrases.
_______1. Membrane-bound organelles where photosynthesis occurs. _______2. The sites of protein synthesis in procaryotic cells. _______3. Considered a “packaging plant,” where proteins are packaged into membrane-bound vesicles. _______4. Membrane-bound organelles where energy is produced by the Krebs cycle and electron transport chain. _______5. Found in procaryotic cells as well as eucaryotic cells. a. plastids b. mitochondria c. ribosomes d. endoplasmic reticulum e. golgi complex
Asexual reproduction in ascomycetes takes place by means of
A. ascogonia. B. ascospores. C. conidia. D. motile gametes. E. zygospores.
A typical human body has ____ skeletal muscles
a. 78 b. 168 c. 206 d. 417 e. over 600
Which list correctly describes the sequence of events that occurs during cell division, beginning at interphase?
a. nuclear division, DNA replication, cytoplasmic division b. DNA replication, cytoplasmic division, nuclear division c. cytoplasmic division, nuclear division, DNA replication d. nuclear division, cytoplasmic division, DNA replication e. DNA replication, nuclear division, cytoplasmic division