Sentences with phrase «on identical cells»

In contrast, the immortalized fat cells allow experiments to be repeated multiple times on identical cells ensuring consistent, reproducible results.

Not exact matches

I could go on and elaborate on a number of other disciplines or facts that creationists have to pretend into oblivion to retain their faith, including the Ice Ages, cavemen and early hominids, much of microbiology, paleontology and archeology, continental drift and plate tectonics, even large parts of medical research (medical research on monkeys and mice only works because they share a common ancestor with us and therefore our fundamental cell biology and basic body architecture is identical to theirs).

Salk scientists and collaborators have shed light on a long - standing question about what leads to variation in stem cells by comparing induced pluripotent stem cells (iPSCs) derived from identical twins.

Another is how cells in a single organism take on different functions despite having identical genomes.

«Only a subset produces IL - 17A upon skin injury, although the surface markers on these cells seem identical to those of other DETCs,» MacLeod said.

Josef Singer and Judith Fazekas, both lead authors of the study, discovered that a receptor frequently found on human tumor cells (epidermal growth factor receptor or EGFR) is nearly 100 percent identical with the EGF receptor in dogs.

Before dividing, pairs of identical chromosomes line up in the middle of the elongated cell, and the microtubules, emanating out from the centrioles on either side, help pull the chromosomes in opposite directions so that each new cell receives one member of each chromosome pair.

«When we overlay this elasticity profile on top of that for muscle cells, they look identical,» Bustamante beams.

In parthenote - derived cell lines, they found a distinctive signature: Most genes were different on the two sets of chromosomes, but genes located close to the chromosome's center were largely identical.

Humans have a homologous population with nearly identical specificity, and although the cells tend to be more frequent in mice than humans, clinical trials are underway based on activating human iNKT cells to stimulate antitumor responses.

All people have two copies of every gene, and earlier work by the researchers on identical twins with leukemia indicates that a second genetic alteration - involving the second copy of the TEL gene, one of the two so - called «alleles» — occurs post-natally to actually nudge blood cells into a leukemic state.

To examine the effect of age on the cognate function of CD4 T cells, we have used a novel adoptive transfer model that allows us to compare identical numbers of antigen - specific naive T cells from young and aged TCR transgenic (Tg) donors.

LA JOLLA — Salk scientists and collaborators have shed light on a longstanding question about what leads to variation in stem cells by comparing induced pluripotent stem cells (iPSCs) derived from identical twins.

«We could show that even between seemingly identical cells, with the same morphology and the same genome, there are surprisingly pronounced differences on the level of the proteins,» Beck said.

Furthermore, the gene - activity profiles of the first - generation iPS cells were similar, but not identical, to those of ES cells — and chemical marks called methyl groups on the DNA did not exactly reflect those on ES cells either.

Year 6 Science Assessments and Tracking Objectives covered: Describe how living things are classified into broad groups according to common observable characteristics and based on similarities and differences, including micro-organisms, plants and animals Give reasons for classifying plants and animals based on specific characteristics Identify and name the main parts of the human circulatory system, and describe the functions of the heart, blood vessels and blood Recognise the impact of diet, exercise, drugs and lifestyle on the way their bodies function Describe the ways in which nutrients and water are transported within animals, including humans Recognise that living things have changed over time and that fossils provide information about living things that inhabited the Earth millions of years ago Recognise that living things produce offspring of the same kind, but normally offspring vary and are not identical to their parents Identify how animals and plants are adapted to suit their environment in different ways and that adaptation may lead to evolution Recognise that light appears to travel in straight lines Use the idea that light travels in straight lines to explain that objects are seen because they give out or reflect light into the eye Explain that we see things because light travels from light sources to our eyes or from light sources to objects and then to our eyes Use the idea that light travels in straight lines to explain why shadows have the same shape as the objects that cast them Associate the brightness of a lamp or the volume of a buzzer with the number and voltage of cells used in the circuit Compare and give reasons for variations in how components function, including the brightness of bulbs, the loudness of buzzers and the on / off position of switches Use recognised symbols when representing a simple circuit in a diagram

This information is then sent off to the mirror neurons of the brain and these cells remap the patterns of running, tackling or passing onto the appropriate sequence of muscle twitches that help you produce the identical actions — even while your butt is firmly planted on the couch.

The two devices are practically identical aside from screen and battery size, with the «regular» variant sporting a 6 - inch Super AMOLED panel and 3245mAh battery, bumped up to a massive 6.43 inches and 3905mAh cell capacity on the Plus.