'Turgor pressure' diaporamas de présentation

2.72k views • 56 slides

Membrane Structure and Function

Membrane Structure and Function. Chapter 7. TEM of Phospholipid Bilayer. Hydrophobic region of protein. Hydrophilic regions of protein. Membrane Structure. Basic fabric of membranes is a phospholipid bi-layer

965 views • 54 slides

Plasma Membrane and Transport of molecules

Plasma Membrane and Transport of molecules. How do things get in and out of the cell?. I. The Plasma Membrane.

676 views • 47 slides

1.08k views • 42 slides

The Basics of Soil Science

The Basics of Soil Science. What is soil?. It is composed of minerals , organic material , and living forms . Functions: Medium for plant growth Recycler of raw materials/environmental filter Regulator of water supplies Habitat for soil organisms. Components of Soil: Minerals.

1.98k views • 37 slides

INNATE BEHAVIOR

INNATE BEHAVIOR . INNATE BEHAVIOR IN PLANTS AND PROTISTS. Innate Behavior . Any form of behavior that has not been learned is innate behavior Most innate behavior aids survival and reproduction. Innate behavior results from impulse pathways built into the nervous system.

663 views • 35 slides

CELL STRUCTURE &

674 views • 35 slides

Membranes

Membranes. Chapter 5. Membrane Structure. The fluid mosaic model of membrane structure contends that membranes consist of: - phospholipids arranged in a bilayer - globular proteins inserted in the lipid bilayer. Membrane Structure. Cellular membranes have 4 components:

483 views • 33 slides

Control Systems in Plants

Control Systems in Plants. Plant Hormones. Coordinates growth Coordinates development Coordinates responses to environmental stimuli. Plant Hormones. Auxin (IAA) Cytokinins Gibberllins Abscisic Acid Ethylene Oligogaccharins Brassinosteroids. Auxins. Stimulates stem elongation

482 views • 31 slides

CELL TRANSPORT

583 views • 30 slides

The Plant Cell

2.78k views • 30 slides

Cell Structure and Function

Cell Structure and Function. Cell Theory. A unifying concept in biology States that: All organisms are composed of cells All cells come only from preexisting cells Smallest unit of life. Unicellular Organisms. Single-celled organisms Must be able to perform all life functions

470 views • 28 slides

Basics: What are cells made from and how does this determine their function? 8/26 and 8/28

Basics: What are cells made from and how does this determine their function? 8/26 and 8/28. How big are cells and what determines their size? The 20 amino acids: Name, Type, Relative Charge, Structure, and functional groups What makes the plasma membrane work?

348 views • 28 slides

THE CELL

360 views • 26 slides

Unit 8

Unit 8. Diffusion and Osmosis. Exercise 8.1 p 109. Examine two factors that affect the rate of diffusion Temperature Molecular weight We will look at the movement of two dyes as they diffuse through an agarose gel. 8.1. 1.Obtain petri dishes with agarose.

400 views • 21 slides

Cell Transport

358 views • 21 slides

Fourier Law of Conduction

1.27k views • 16 slides

Soil Chemistry

Soil Chemistry. Table of Contents. Soil Background Methodology Raw Data (All data compiled) Aspen Treatments (Conifers removed from Aspen Stands in Bulls Prairie) Slash Bust Treatments Dense stands slash busted then burned to reduce fuel load and mistletoe in Cox Flat Wildfire

352 views • 14 slides

The Plasma Membrane and Homeostasis

244 views • 13 slides

Welcome work: Draw ALL

Welcome work: Draw ALL. ISOTONIC HYERTONIC HYPOTONIC. There are three possible relationships that cells can encounter when placed into a water solution :

290 views • 8 slides