"Which of the following have cells that are in direct contact with either the internal or external environments therefore re
E. Humans"B: Cnidarians fit this de
It is an artificial group, whether prokaryotic beings, as cianophytas for botanists and biologists
cyanobacteria. They are bacteria that can fix N2 and live in water, forming complex thalli.
There are also many eukaryotes, qualifying for their plast
In the present work seeks to explain the five kingdoms of life which is estimated that three
million kinds of living beings generally known as microorganisms, plants and animals. Such
amount of organisms constitutes a diff
Enzymes involved in DNA replication.
In some cell types there histones. In some species of sperm histones are replaced with other
lower molecular weight proteins that are protamines to achieve greater DNA packaging.
! Genome is all the genetic information
1. INTRODUCTION TO BIOLOGY
Object of study and impact in today's world
Concept of biology and science
Branches of biology and its relation to other sciences
The experimental scientific method
Study techniques of cell bio
Amastigomycetes: These are strictly terrestrial, so have lost flagella. Only have chitin in the
mitochondrial membrane and possess equal wings of the animals (laminated). Do not have
centrioles, but have polar bodies. Can be divided by the types of spores
Are bryophytes, a strange group. It consists of three groups, such as mosses, liverworts and
In them, there is alternation of generations, more important than sporophytes (n> 2n)
gametophytes. are characterized by developing similar
Includes four phases, namely the proliferation, growth, maturation and spermatogenesis.
The cell to give sperm in the testis, in cells called primordial germ cells found during embryonic
and fetal stage in the testis.
These primordial germ
In the terrestrial environment, plants have different needs as changes in temperature, water, etc.
Vegetables that have passed the terrestrial environment are included in the arquegoniadas.
They are plants with a female gametangium called ar
Within living beings, we can differentiate between two types of cells, such as eukaryotic and
In eukaryotic cells, we emphasize that the core structure is a very primitive, from prokaryotic
cells old genetic material isola
Passage of proteins from the cytoplasm to the mitochondrial matrix
! When the pre-sequence appears in the protein, the protein is recognized by the TOM complex
of the outer mitochondrial membrane, passes through the conveyor and from the TOM is
Advanced Placement Biology
AP Lab #13 Enzyme Catalysis
Enzymes are proteins produced by living cells. They are biochemical catalysts meaning they lower
the activation energy needed for a biochemical reaction to occur. Because of enzyme
Pooja Hiremath, Goral Patel
January 17, 2013
JONES Advanced Placement Biology
Plant Pigments and Photosynthesis (AP Lab #5)
Photosynthesis has two main parts, which are the light dependent and the light independent. In
AP Bio Period 1
February 18, 2013
Physiology of the Human Circulatory System
Hypothesis: If exercise or any form of activity besides resting is performed, then the blood
pressure and the pulse rate will increase.