Alberta biology 30 - Study guides, Class notes & Summaries

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; ...

What is an endocrine gland? -AnswerDuctless; secretes hormones directly into the bloodstream; migrate throughout the body to target What is an exocrine gland? -AnswerDucts; secret chemicals directly to target site; local area What kind of gland is the pancreas? -AnswerBoth exo and endo. What are the two types of hormones? -AnswerSteroid/nonsteroid What are steroid hormones? Give an example. -AnswerLipids; easily move through cell membranes; bind to receptors inside cell. Example: aldoste...

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 =...

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 eye with nutrients & oxygen; dark pigment prevents reflection of ...

Biology 30 Alberta: The Senses Questions and Answers 100% Solved How are stimuli detected? By sensory receptors How does sensation occur? Electrochemical impulses arrive at cerebral cortex Sensory adaptation Process by which repeated, insignificant signals are filtered out What do photoreceptors do? Detect light (e.g. rods and cones in human eye) What do chemoreceptors do? Detect chemical signals (e.g. olfactory cells for smell, taste buds, internal detection of pH levels, etc.) What do mec...

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? central & peripheral What are the two components of the central nervous system? brain & spinal cord What two pathways can the peripheral nervous system be further divided into? 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? somatic = voluntary control autonomic = involuntary control peripheral; motor pathways ...

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

Alberta Biology 30: Reproduction & Development Exam Q&A 2023 What is the difference between primary and secondary sex characteristics? *ANS* 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? *ANS* fertilization; 46 chromosomes What kinds of sex chromosomes can a sperm contribute? An egg? *ANS* sperm = X or Y egg = only X What is th...

What kind of receptor is the eye? - Answerphotoreceptor What are the three layers of the eye? - Answersclera, choroid, retina What is the function of the sclera? - Answerouter white layer; protects & provides shape What is the function of the cornea? - Answertransparent covering; protects eyes; bends light towards the pupil FIRST What is the function of the choroid? - Answermiddle layer; contains blood vessels; supplies eye with nutrients & oxygen; dark pigment prevents reflection of lig...