Search results for: 'Generalized life cycles for plants and animals Animation'

Watch Later 0:49

By: HWC, Views: 5512

Diploid organisms have pairs of genes, on pairs of homologous chromosomes. Each gene has a specific location on the chromosome. We call this the gene's locus. In this species, the locus for gene B is always between the loci for genes A and C. Most genes come in two or more slightly differen...

Watch Later 0:11

Lung Sounds Animation (1 of 5)

By: Administrator, Views: 360

83_cr_aRespiratory rates for some different age groups: Newborn 30 – 80/min 1st year 20 – 40/min 5th year 20 – 25/min 15th year 15 – 20/min Adult 12 – 20/min

Watch Later 0:30

Blood Flow Through the Kidneys

By: Administrator, Views: 13680

Purplish-brown, bean-shaped organs located behind abdominal cavity (retroperitoneal area) on either side of spine, between thoracic vertebrae and lumbar region.

Watch Later 4:50

Mendel's Principles of Dominance, Segregation and Independent Assortment

By: HWC, Views: 10603

Mendel selected true-breeding parents with contrasting traits, for example, purple and white flower color, and performed reciprocal crosses by choosing pollen from one parent and hand pollinating the seed-forming parent with this pollen. A cross-fertilization resulted from this procedure. In t...

Watch Later 0:42

Protein Secondary and Tertiary Structures - Animation

By: HWC, Views: 7165

Amino acid sequence dictates a protein's final shape. The presence of certain amino acids favors a pattern of hydrogen bonding that causes part of the polypeptide chain to coil and twist into an alpha helix. The presence of other amino acids enables hydrogen bonding between strand like r...

Watch Later 0:52

Energy inputs and release in glycolysis Animation

By: HWC, Views: 4811

Glycolysis breaks the six-carbon sugar glucose into two three-carbon molecules of pyruvate. The first steps of glycolysis require an energy input in the form of two phosphate-group transfers from ATP. These phosphorylations raise the energy level of glucose enough to allow the energy-releas...

Watch Later 0:50

Random alignment at Metaphase I Animation

By: HWC, Views: 5421

Possible outcomes of random alignment at metaphase I. In this example, three types of chromosomes are labeled 1, 2, and 3. Maternal chromosomes are dark blue; paternal ones are light blue. Suppose that at metaphase I all the maternal chromosomes became attached to one spindle pole and all the ...

Watch Later 2:49

The Nerve Impulse

By: Administrator, Views: 16975

The action potential explained.

Watch Later 0:44

Anatomy and Chemical Makeup of a Single Hair (Animation)

By: HWC, Views: 9306

The hair's outer cuticle surrounds hair cells filled with tough keratin macrofibrils. Each macrofibril consists of smaller microfibrils. A microfibril is made up of three keratin polypeptide chains. The chains are linked together by disulfide bonds. A hair consists of keratin chains held...

Search Results