Biology 252 Study guides, Class notes & Summaries

Biology 252 Exam 2 Questions and Answers

Describe the cells of the bone tissue - -Osteogenic cells -Osteoblasts -Osteocytes -Osteoclasts What membrane lines the internal canals and the small cavities of the compact and spongy bones? - Endosteum What is the periosteum composed of? - -Dense irregular connective tissue -Collagen fibers -Outer fibrous layer has fibroblasts -Inner layer has progenitor cells that become osteoblasts Describe the matrix of the bone tissue - -Stony matter surrounding osteocytes and lacunae -1/3 organ...

Biology 252 Exam 1

Biology 252 Exam 1

Which statement best describes the difference between the theoretical concept of a community and the ways in which communities are delineated in practice? in theory, communities can be defined by physical or biological characteristics, but in practice, these characteristics are difficult to measure and are not used. In theory, a community is defined only by abiotic factors of the area; in practice, communities are delineated by biological attributes as well. In theory, communities consist of ...

Biology 252 Exam 1 with correct Answers

BIOLOGY 252 EXAM 2024/2025 SUMMER/FALL PRACTICE QUESTIONS AND ANSWERS ALL TOPICS COVERED GRADED A+

Biology 252 Exam 2 Questions With Solutions 100% Correct Describe the cells of the bone tissue -Osteogenic cells -Osteoblasts -Osteocytes -Osteoclasts What membrane lines the internal canals and the small cavities of the compact and spongy bones? Endosteum What is the periosteum composed of? -Dense irregular connective tissue -Collagen fibers -Outer fibrous layer has fibroblasts -Inner layer has progenitor cells that become osteoblasts

Oligodendrocytes - ANSWER nueroglia that form myelin sheath Astrocytes - ANSWER most abundant microglia structure of CNS controls chem. environment-absorbs ions Ependymal - ANSWER circulates CSF with cilia lining Brain cavities Microglia - ANSWER immune cells of CNS collect debris phagotize

The sacral plexus is located in? A. CNS B. PNS C. In both the CNS and PNS D. In neither the CNS or PNS - ANSWER B. PNS Neuron cell bodies are located in? A. CNS B. PNS C. In both the CNS and PNS D. In neither the CNS or PNS - ANSWER C. In both the CNS and PNS The dorsal ramus is located in? A. CNS B. PNS C. In both the CNS and PNS D. In neither the CNS or PNS - ANSWER B. PNS A neuron with its cell body in the dorsal root ganglion is: A. in the nucleus B. a multipolar neuro...