Search Results
Results for: 'Homologous chromosomes during prophase I - Animation'
Lung Sounds Animation (1 of 5)
By: Administrator, Views: 255
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
Blood Flow Through the Kidneys
By: Administrator, Views: 9524
Purplish-brown, bean-shaped organs located behind abdominal cavity (retroperitoneal area) on either side of spine, between thoracic vertebrae and lumbar region.
By: HWC, Views: 893
Life cycle of Porphyra. The most conspicuous part of this algal life cycle is the haploid gametophyte. This sheetlike form is collected and dried for use as nori, the wrapping for sushi. Gametes form in packets interspersed between vegetative cells near the sheet margins. The gamet...
Protein Secondary and Tertiary Structures - Animation
By: HWC, Views: 2870
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...
Energy inputs and release in glycolysis Animation
By: HWC, Views: 605
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...
Anatomy and Chemical Makeup of a Single Hair (Animation)
By: HWC, Views: 4935
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...
By: HWC, Views: 4017
A neuromuscular junction is a chemical synapse between the axon endings of a motor neuron and a muscle cell. A narrow synaptic cleft separates the presynaptic cell (the motor neuron) from the postsynaptic cell (the muscle cell). The presynaptic cell contains vesicles filled with neurotransmitt...
By: Administrator, Views: 10272
The mouth or oral cavity is formed by: - The hard and soft palates at the top or roof - the cheeks - the tongue - the lips Contains the teeth and salivary glands. The gingivae (gums) surround the necks of the teeth. The lingual frenulum is a thin fold of mucous membrane that connects...
Advertisement