The hyperpolarization of rod cells:

Reduces the release of glutamate

Generates a signal in the bipolar cells

Leads to AP in ganglion cells 

TLS Online TPP Program

#Id: 6841

#Unit 8. Inheritance Biology

Broad-sense heritability range from 0 to 1. 

    0 = all the phenotypic variance results from environmental                  variation. 

1 = all the phenotypic variance results from differences in                genotype.

TLS Online TPP Program

#Id: 8226

#Unit 2. Cellular Organization

I-cell disease

• almost all of the hydrolytic enzymes are missing from the lysosomes of many cell types.

• mis-sorting has been traced to a defective or missing GlcNAc phosphotransferase.

TLS Online TPP Program

#Id: 7005

#Unit 5. Developmental Biology

 Precursor cell, is widely used to denote any ancestral cell type (either stem cell or progenitor cell) of a particular lineage; it is often used when such distinctions do not matter or are not known.

TLS Online TPP Program

#Id: 4784

#Unit 5. Developmental Biology

In an unperturbed embryo, both ABa and ABp contact the EMS blastomere, but only ABp contacts the P2 cell.

TLS Online TPP Program

#Id: 539

#Unit 2. Cellular Organization

Helical bacteria with: 

1. Less than one turn- vibrioid shape

2. Complete turn- helical shape