Biology

simple squamous f- diffusion l- lungs, blood vessels, and kidney simple cuboidal f- secretion and absorption l- kidney tubes and ovary surface simple columnar f-absorption and secretion l- digestive tract (non ciliated), respitory tract (ciliated) pseudostratified columar epithelium f- secretion and movement l- non ciliated- male reproductive ciliated-trachea and upper respiratory stratified squamous f- protection from abrasion l- skin, mouth and vagina stratified cubodial rare l- sw...

Homeostasis maintanence of an internal state that is distinct from the external environment and is defending against changes Examples of Homeostatic variables temp, pH, fluid volume, glucose, sodium, oxygen tension, Co2 tension Set Point the value we want to maintain Type 1 Diabetes pancreas stops producing insulin Type 2 Diabetes body forms insulin resistance Negative Feedback loop A process in which a change from the normal range of function that opposes or resists that change 3 compo...

Be familiar with the common characteristics of animals. - Multicellular heterotrophs - cells lack cell walls -most have nerves, muscles, and capacity to move at some point in the life cycle - able to reproduce sexually - specialized sensory structures and nervous system - cells exist in extensive extracellular matrix - unique cell junctions What type of life cycle do all animals show? gametic What is the most likely ancestor of animals? choanoflagellates What are the 3 major features th...

Be familiar with the common characteristics of animals. - Multicellular heterotrophs - cells lack cell walls -most have nerves, muscles, and capacity to move at some point in the life cycle - able to reproduce sexually - specialized sensory structures and nervous system - cells exist in extensive extracellular matrix - unique cell junctions What type of life cycle do all animals show? gametic What is the most likely ancestor of animals? choanoflagellates What are the 3 major features th...

Matter Anything that occupies space and has a mass Three Physical States of Matter Solid, liquid, gas Element Substance that cannot be broken down into other substances by chemical reactions Four elements that make up about 96% of the weight and most cells: Oxygen, carbon, hydrogen, nitrogen Atoms The smallest functional units of matter that form ALL chemical substances Three subatomic particles Protons, Neutrons, Electrons Protons Positive charge, found in nucleus. Number of protons is ...

Complete notes on biotechnology helpful for students and teachers.

Presentacion que narra de manera breve el impacto que puede tener el cambio climático en el area cultivada de cafe y su sabor. Describe la situación que enfrentan productores y consumidores ante un desafío que puede presentarse en el mediano plazo.

A presentation that briefly narrates the impact that climate change may have on the area cultivated with coffee and its flavor. It describes the situation faced by producers and consumers in the face of a challenge that may arise in the medium term. It comes with illustrations.