Biology 30 alberta - Study guides, Class notes & Summaries

Kidney - Filters blood of impurities (eg. Urea) and produces urine. Ureter - Transports urine to the bladder for storage. Bladder - Stores urine. Urethra - Common duct for the excretion of urine and semen from ejaculation. Testes - Produces sperm under the influence of FSH and testosterone under the influence of LH. Epididymis - Involved in sperm maturation (first 2/3rd's) - last 3rd is involved in mature sperm storage. Prostate - Secrete's an alkaline solution (pH 7.2) to neutralize t...

Alberta Biology 30: Nervous System Questions and Answers Already Passed What are the two divisions of the nervous system? - Answer central & peripheral What are the two components of the central nervous system? - Answer brain & spinal cord What two pathways can the peripheral nervous system be further divided into? - Answer sensory & motor What is the difference between the somatic nervous system and the autonomic nervous system? Which division is it a part of? Which pathway? - Answe...

How are stimuli detected? -AnswerBy sensory receptors How does sensation occur? -AnswerElectrochemical impulses arrive at cerebral cortex Sensory adaptation -AnswerProcess by which repeated, insignificant signals are filtered out What do photoreceptors do? -AnswerDetect light (e.g. rods and cones in human eye) What do chemoreceptors do? -AnswerDetect chemical signals (e.g. olfactory cells for smell, taste buds, internal detection of pH levels, etc.) What do mechanoreceptors do? -AnswerDe

Alberta Biology 30: Endocrine System Questions and Answers Already Passed What is an endocrine gland? -Answer Ductless; secretes hormones directly into the bloodstream; migrate throughout the body to target What is an exocrine gland? -Answer Ducts; secret chemicals directly to target site; local area What kind of gland is the pancreas? -Answer Both exo and endo. What are the two types of hormones? -Answer Steroid/nonsteroid What are steroid hormones? Give an example. -Answer Lipids; easil...

Alberta Biology 30: Reproduction & Development Questions and Answers Graded A What is the difference between primary and secondary sex characteristics? -Answer primary = direct role in reproduction (gonads) secondary = features that distinguish the two sexes; develop at puberty What is the process of creating a zygote called? How many chromosomes does it have? - Answer fertilization; 46 chromosomes What kinds of sex chromosomes can a sperm contribute? An egg? -Answer sperm = X or Y egg =...

Cell Theory All things are made up of 1 or more cells, Cells are formed from pre-exisiting cells by cell division, cells have structure and function What are the 2 phases in the cell cycle interphase and mitotic Phases within interphase G1, S, G2 Phases within mitotic divisions Prophase, Metaphase, Anaphase, Telophase (PMAT) Why do cells divide? growth, repair, reproduction What is a chromosome? Made of nucleic acid and proteins. Can be condensed or uncon...

Alberta Biology 30: The Eye & Ear Questions and Answers Rated A+ What kind of receptor is the eye? - Answer photoreceptor What are the three layers of the eye? - Answer sclera, choroid, retina What is the function of the sclera? - Answer outer white layer; protects & provides shape What is the function of the cornea? - Answer transparent covering; protects eyes; bends light towards the pupil FIRST What is the function of the choroid? - Answer middle layer; contains blood vessels; ...

Alberta Biology 30: The Eye & Ear Questions and Answers Rated A+ What kind of receptor is the eye? - Answer photoreceptor What are the three layers of the eye? - Answer sclera, choroid, retina What is the function of the sclera? - Answer outer white layer; protects & provides shape What is the function of the cornea? - Answer transparent covering; protects eyes; bends light towards the pupil FIRST What is the function of the choroid? - Answer middle layer; contains blood vessels; supplies...

What are the two divisions of the nervous system? - Answer central & peripheral What are the two components of the central nervous system? - Answer brain & spinal cord What two pathways can the peripheral nervous system be further divided into? - Answer sensory & motor What is the difference between the somatic nervous system and the autonomic nervous system? Which division is it a part of? Which pathway? - Answer somatic = voluntary control autonomic = involuntary control peripheral; mot...

What is an endocrine gland? -Answer Ductless; secretes hormones directly into the bloodstream; migrate throughout the body to target What is an exocrine gland? -Answer Ducts; secret chemicals directly to target site; local area What kind of gland is the pancreas? -Answer Both exo and endo. What are the two types of hormones? -Answer Steroid/nonsteroid What are steroid hormones? Give an example. -Answer Lipids; easily move through cell membranes; bind to receptors inside cell. Example: aldo...