The study of cell cycle control is entering a new and exciting phase
... until cells have attained a critical size: at low growth rates daughter cells are smaller at division and so cells must grow for a longer period before passing start (Hartwell & Unger, 1977; Carter & Jagadish, 1978: Lord & Wheals, 1980). Therefore, under these conditions traverse of start is a major ...
... until cells have attained a critical size: at low growth rates daughter cells are smaller at division and so cells must grow for a longer period before passing start (Hartwell & Unger, 1977; Carter & Jagadish, 1978: Lord & Wheals, 1980). Therefore, under these conditions traverse of start is a major ...
What are Stem Cells
... Embryonic stem cells Embryonic stem cells are derived from a four- or five-day-old human embryo that is in the blastocyst phase of development. The embryos are usually extras that have been created in IVF (in vitro fertilization) clinics where several eggs are fertilized in a test tube, but only one ...
... Embryonic stem cells Embryonic stem cells are derived from a four- or five-day-old human embryo that is in the blastocyst phase of development. The embryos are usually extras that have been created in IVF (in vitro fertilization) clinics where several eggs are fertilized in a test tube, but only one ...
6 Kingdoms
... Protists • Protists include many unicellular organisms, like slime molds, protozoa and primitive algae. They also include multicellular organisms such as ...
... Protists • Protists include many unicellular organisms, like slime molds, protozoa and primitive algae. They also include multicellular organisms such as ...
Patterns in nature
... following by filling in the missing words. a) Mitochondria (singular ________________ ) are organelles with a double ________________. The inner membrane is highly ________________ producing a large surface area. Mitochondria are described as the powerhouses of cells because they provide cells with ...
... following by filling in the missing words. a) Mitochondria (singular ________________ ) are organelles with a double ________________. The inner membrane is highly ________________ producing a large surface area. Mitochondria are described as the powerhouses of cells because they provide cells with ...
Michael P. Kowalski1, Vipat Raksakulthai2
... cytometry. Maximal responses (blue boxes) correlate with imaging results for staurosporine and camptothecin but 5-fluorouracil treatment shows significant positive staining (>50% at maximal concentration). This suggests that 5-fluorouracil treated spheroids may be resistant to diffusion of the stain ...
... cytometry. Maximal responses (blue boxes) correlate with imaging results for staurosporine and camptothecin but 5-fluorouracil treatment shows significant positive staining (>50% at maximal concentration). This suggests that 5-fluorouracil treated spheroids may be resistant to diffusion of the stain ...
Does the plant mitochondrion integrate cellular stress and regulate
... Fig. 1. Death morphotypes. (a) The morphology of the cell corpse depends on the way a cell dies. Apoptotic, autophagic and lysosomal are three types of programmed cell death. Apoptosis occurs in animal cells and has the hallmarks of nuclear condensation, cytoplasmic blebbing and the involvement of a ...
... Fig. 1. Death morphotypes. (a) The morphology of the cell corpse depends on the way a cell dies. Apoptotic, autophagic and lysosomal are three types of programmed cell death. Apoptosis occurs in animal cells and has the hallmarks of nuclear condensation, cytoplasmic blebbing and the involvement of a ...
The making of the Fittest: Natural Selection and Adaptation
... delivered to different parts of the body. In addition, the immune system marks sickled RBCs for destruction. When the body removes RBCs from circulation faster than it produces new RBCs, anemia results. Although students are not expected to know this, you may want to tell them that at any one time, ...
... delivered to different parts of the body. In addition, the immune system marks sickled RBCs for destruction. When the body removes RBCs from circulation faster than it produces new RBCs, anemia results. Although students are not expected to know this, you may want to tell them that at any one time, ...
Reactive oxygen species (ROS) and defence response in
... developmental and cell biological functions to several members of the Atrboh gene family. We have collaborated with experts studying those processes to further dissect the function of ROS in stomata closure and root hair development. (Kwak et al., 2003). (Foreman et al., 2003). Interestingly, both ...
... developmental and cell biological functions to several members of the Atrboh gene family. We have collaborated with experts studying those processes to further dissect the function of ROS in stomata closure and root hair development. (Kwak et al., 2003). (Foreman et al., 2003). Interestingly, both ...
Cell Membrane
... Because the pump moves three Na+ to the outside for every two K+ that are moved to the inside, it creates an overall charge separation known as polarization. This electrical potential is required for nervous system activity, and supplies energy needed for other types of transport such as symport and ...
... Because the pump moves three Na+ to the outside for every two K+ that are moved to the inside, it creates an overall charge separation known as polarization. This electrical potential is required for nervous system activity, and supplies energy needed for other types of transport such as symport and ...
Plant hormones and phototropism
... to the unlighted side where cells respond by elongating auxin is quickly inactivated by enzymes further down the stem. Polar auxin transport: a chemiosmotic model. Auxin is transported unidirectionally when a shoot is exposed to light from one direction only. Along this pathway, the hormone enters a ...
... to the unlighted side where cells respond by elongating auxin is quickly inactivated by enzymes further down the stem. Polar auxin transport: a chemiosmotic model. Auxin is transported unidirectionally when a shoot is exposed to light from one direction only. Along this pathway, the hormone enters a ...
Microworlds Project
... The purpose of this project is to allow you to become very familiar with the use of the microscope before you get into classes (such as microbiology) where microscope use will be assumed. To this end, you will be expected to complete roughly one Microworld entry per week. An example and a blank form ...
... The purpose of this project is to allow you to become very familiar with the use of the microscope before you get into classes (such as microbiology) where microscope use will be assumed. To this end, you will be expected to complete roughly one Microworld entry per week. An example and a blank form ...
PATHOGENIC EFFECTS OF VIRUSES
... Synthesis of nucleic acid and protein. In DNA viruses, this is a two stage process. Synthesis of early proteins (takes place in nucleus) and synthesis of late proteins (which takes place in cytoplasm). OR In RNA viruses, it is a one stage process and takes place in cytoplasm with exception of Orthom ...
... Synthesis of nucleic acid and protein. In DNA viruses, this is a two stage process. Synthesis of early proteins (takes place in nucleus) and synthesis of late proteins (which takes place in cytoplasm). OR In RNA viruses, it is a one stage process and takes place in cytoplasm with exception of Orthom ...
Ras Part II
... Gain of function mutants in the signaling pathway or loss-of-function mutations in pathway negative regulators ...
... Gain of function mutants in the signaling pathway or loss-of-function mutations in pathway negative regulators ...
File
... the genetic information that is passed from one generation of cells to the next. Most of the time, the threadlike chromosomes are spread throughout the nucleus in the form of chromatin—a complex of DNA bound to proteins. ...
... the genetic information that is passed from one generation of cells to the next. Most of the time, the threadlike chromosomes are spread throughout the nucleus in the form of chromatin—a complex of DNA bound to proteins. ...
Is central dogma a global property of cellular
... expression correlation emerges. Secondly, for the single cell study (Taniguchi et al., 2010), individual mRNA-protein expression correlation was compared across numerous cells. In cell population studies, however, the comparison is made in entirety, across thousands of mRNAs and proteins over severa ...
... expression correlation emerges. Secondly, for the single cell study (Taniguchi et al., 2010), individual mRNA-protein expression correlation was compared across numerous cells. In cell population studies, however, the comparison is made in entirety, across thousands of mRNAs and proteins over severa ...
Supporting Information Tilley et al. 10.1073/pnas.1406876111
... exposure, light source, and patch-clamp recordings were synchronized using the electrophysiology software; in Fig. 4 D and F, an LDC apochromat 63×/1.15 water immersion objective and images were collected with an EMCCD camera (QImaging Rolera Thunder) camera, run by ZEN 2012 (Zeiss). Fig. 4 D–G and ...
... exposure, light source, and patch-clamp recordings were synchronized using the electrophysiology software; in Fig. 4 D and F, an LDC apochromat 63×/1.15 water immersion objective and images were collected with an EMCCD camera (QImaging Rolera Thunder) camera, run by ZEN 2012 (Zeiss). Fig. 4 D–G and ...
Cell cycle and differentiation
... The development of multicellular organisms relies on the temporal and spatial control of cell proliferation and cell growth. The relationship between cell-cycle progression and development is complex and characterized by mutual dependencies. On the level of the individual cell, this interrelationshi ...
... The development of multicellular organisms relies on the temporal and spatial control of cell proliferation and cell growth. The relationship between cell-cycle progression and development is complex and characterized by mutual dependencies. On the level of the individual cell, this interrelationshi ...
“You`ve Got Mail”: How Neurons Send Messages The firing of a
... However, a neuron receiving a message will allow the transport channels to open- but only allow sodium (Na+) in and potassium (K+) out. Like a bouncer at the clubs downtown, the transport channel is selective about which ions are allowed into the cell, and they must show ID before they’re allowed in ...
... However, a neuron receiving a message will allow the transport channels to open- but only allow sodium (Na+) in and potassium (K+) out. Like a bouncer at the clubs downtown, the transport channel is selective about which ions are allowed into the cell, and they must show ID before they’re allowed in ...
PDF
... ago when migrating fibroblasts were observed to rapidly change direction and migrate away upon collision. Since then, we have gleaned little understanding of how contact inhibition is regulated and only lately observed its occurrence in vivo. We recently revealed that Drosophila macrophages (haemocy ...
... ago when migrating fibroblasts were observed to rapidly change direction and migrate away upon collision. Since then, we have gleaned little understanding of how contact inhibition is regulated and only lately observed its occurrence in vivo. We recently revealed that Drosophila macrophages (haemocy ...