Unit 4 Cell to cell signaling and transport

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Unit 4 Cell to cell signaling and transport

Objectives:

Vocabulary:

1.

Cephalization

2.

Nerve net

3.

Ganglion

4.

Interneuron

5.

Sensory neuron

6.

Motor neuron

7.

Nerve

8.

Central nervous system

9.

Peripheral nervous system

10.

Axon dendrites

11.

Membrane potential

12.

Action potential

13.

Positive feedback

14.

Negative feedback

15.

Threshold potential

16.

Hypothalamus

17.

Thalamus

18.

Neuroglia

19.

Neuromodulators

20.

Neurotransmitters

21.

Endocrine disruptors

1.

Discuss several examples of cell to cell signaling

2.

State the difference between short distance and long distant signals with examples of each.

3.

Discuss the structure of a neuron

4.

Explain the sliding filament theory

5.

Describe how hormones regulate growth and development

6.

Discuss the relationship between cardiovascular development and evolutionary history

22.

Local signaling molecules

23.

Gap junctions

24.

Endocrine system

25.

Animal hormones

26.

Protein receptors/ receptors

27.

Inhibiting hormone

28.

Releasing hormone

29.

myostatin

30.

hydrostatic skeleton

31.

exoskeleton

32.

endoskeleton

33.

axial skeleton

34.

appendicular skeleton

35.

osteocytes

36.

osteoblasts

37.

osteoclasts

38.

hematopoesis

39.

epiphyses

40.

diaphysis

41.

joints

42.

ligaments

43.

synovial joints

44.

Arthritis

45.

tendon

46.

muscle fiber

47.

myofibril

48.

Sarcomere

49.

tropomyosin

50.

myoglobin

51.

motor unit

52.

pulmonary circulation/circuit

53.

systemic circuit

54.

open circulatory system

55.

artery

56.

vein

57.

hemoglobin

58.

hemostasis

59.

vasodilatation

60.

vasoconstriction

61.

lymphatic vascular system

62.

respiration

63.

alveolus

64.

bronchus

65.

pharynx

66.

trachea

67.

respiratory cycle

Possible Homework Questions:

1.

Describe homeostasis and explain why all organisms have to maintain homeostasis to ensure life.

2.

Describe positive feedback mechanisms and list two examples.

3.

Describe negative feedback mechanisms and list two examples.

4.

What is a psychoactive drug? And how does it interfere with cell signaling?

5.

Compare and contrast a neurotransmitter and a hormone.

6.

Describe (don’t define) an action potential.

7.

Why would it be important to rid the synaptic cleft of leftover neurotransmitters?

8.

Describe a reflex pathway.

9.

What is the function of the blood brain barrier?

10.

Why are neurons myelinated?

11.

What are the meninges?

12.

Outline a reflex pathway.

13.

What is the difference between a nerve and a neuron?

14.

List the main sections of the brain with their basic function.

15.

What is so special about the cerebral cortex?

16.

How does the limbic system help us create/recall memories?

17.

List at least two (Neurological Disorders) and tell the homeostatic imbalance which causes them.

18.

List at least 2 drugs and tell their effect on the brain function.

19.

Why do neuroglia put us at risk for tumors?

20.

What is an endocrine disruptor and Why are they dangerous?

21.

Compare and contrast local signaling molecules with hormones.

22.

Why do some call the endocrine system the Neuroendocrine System?

23.

List the major endocrine structures and describe their MAIN functions.

24.

What is the importance of a receptor protein?

25.

Compare and contrast steroid hormones with protein/peptide hormones.

26.

List 2 difficulties or disorders (from your book) caused from thyroid or parathyroid problems.

27.

Describe the role of Insulin and tell where it is produced.

28.

Why is a lack of cellular insulin dangerous?

29.

What are some of the roles that cortisol plays within the body?

30.

Melatonin is an important hormone- Where is it produced & what are some of the effects on vertebrates?

31.

Why should we be concerned with the feminization of organisms?

32.

Compare and contrast the main forms of skeletal systems.

33.

What is the function of the vertebral column?

34.

What is the name for bone tissue?

35.

Describe the main steps of bone remodeling.

36.

Name two functions of the skeletal system OTHER than support.

37.

How is arthritis an autoimmune disease?

38.

What ate the 3 types of muscle tissue?

39.

Describe a Sarcomere.

40.

What is a cross-bridge?

41.

Describe the role of phosphate in the sliding filament model.

42.

Data Analysis activity pg 563

Labs/ Activities:

Human sensations, reflexes, reactions, and the structure and function of sensory organs

(Exercise 23) Lab Manual for majors general biology

 Diffusion, Osmosis, and the functional significance of biological membranes (Exercise 4)

Lab Manual for majors general biology or AP lab investigation 4

Nerve density activity

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