Sentences with phrase «when simple cells»

Not exact matches

We might think that a chimpanzee is exercising free will when it chooses to chomp on a banana, or a cat when it rips up your sofa, but what about the roundworm called Caenorhabditis elegans — a simple creature made of only 959 cells?

When the economy goes wrong, the environment gets polluted, or the cancerous cells multiply, we are told that it was not the simple prescriptions that were at fault, but that the public simply did not trust these enough.

Hartman suggested in 1984 that the nucleus arose when a hypothetical cell that stored its genetic information as RNA instead of DNA and possessed a simple cytoskeleton became the host for an archaeal organism.

We should keep all avenues of stem - cell research open but be grateful when simpler alternatives emerge

Ulijn's gel is composed of two simple synthetic peptide derivatives: (1) a component that binds to copies of itself with high directional preference, resulting in the spontaneous formation of nanoscale fibers when the molecules are dissolved in water, and (2) a surfactant - like molecule that associates with the fiber surface and presents simple, cell - compatible chemical groups.

The team worked with samples of silicon, an n - doped semiconductor material that acts as a simple solar cell to produce a voltage when illuminated.

Our current concept of the origin of the eukaryotic cell is in flux, however, and an evolutionary sequence that appears simple when conceptualized on a phylogenetic tree diagram may be far more complex and interesting in reality.

The unique ecosystems of Cuatro Cienegas may yield insights into what sparked the Cambrian transition, a pivotal time about 540 million years ago when simple, single - celled life developed into a wide variety of multicellular forms.

The 30 - year - old was widely celebrated when she and colleagues published two papers in Nature describing a new and surprisingly simple way of creating stem cells, which the researchers dubbed stimulus - triggered acquisition of pluripotency (STAP) cells.

For example, when researchers developed a simple urine screening test for neuroblastoma — a childhood cancer that arises in immature nerve cells — officials in Japan launched a public health campaign to screen infants.

Scientists in Italy have discovered a simple eye drop that may reverse glaucoma, the disease caused when pressure builds in the eye, injuring nerve cells and ultimately leading to blindness.

For example, when there is no oxygen (a likely scenario in underground disposal vaults) to help these bacteria «breath» and break down the ISA, these simple single - cell microorganisms are able to switch their metabolism to breath using other chemicals in the water, such as nitrate or iron.

«We asked simple questions: what proteins aggregate in the cell during acute heat shock and what happens to them when the cell recovers?»

For instance, in simple organisms such as yeast, when genetic material becomes damaged, the affected DNA strands increase their motion, waving about inside the cell like a sail unfurled.

The possibility of such cells has been debated at least since the 1950s, when researchers found single neurons in the visual cortex of cats and other animals that respond to simple stimuli, such as lines oriented at a certain angle or moving in a specific direction, or light of a particular wavelength.

The stem cell research world was set on its ear 29 January when Japanese and American scientists reported an astoundingly simple way to generate stem cells that can theoretically develop into all of a body's cells.

When the interaction of the cells within the cerebellum is disrupted, people experience fundamental disturbances in their motor function, making these simple actions difficult, or even impossible.

Perovskite solar cells generate electricity just as well when they're made like their simple, silicon counterparts.

Simple: When your body needs energy because you're consuming fewer calories than you are burning (an energy deficit), then your body releases hormones and enzymes that signal your fat cells to release your fat reserves instead of keeping them in storage.

At first, this might make you feel discouraged or overwhelmed, but this isn't bad news, and here's why: The inextricable connections among all the cells of your body mean that simple lifestyle changes can be prolific, making an enormous difference when it comes to getting healthy.

What Does Testosterone Do: Simple Overview When free in the blood stream, testosterone can interact with various cells in the body.

When you eat carbohydrates, your body breaks them down into glucose, which is a simple sugar molecule that your cells process for energy.

When you follow these simple strategies breast cancer cells have no choice but to stop their deadly progression within your beautiful body.

The introduction of Stranger Things pretty much had every person born in the decade of the 80s crying over their childhood and the simpler days when cell phones didn't exist.

Unlike the Naruto: Ultimate Ninja Storm series which is more and more a mess of technical, balance and gameplay issues these days, Brave Soldiers delivers what is a nice, franchise - based fighting game, at first, i was expecting a simple fighting game with some button mashing, however, the game proved me wrong and i fell in love, the combo system, while easy, is a lot more deep than the one in the Naruto games, with all of the characters having two special attacks, two «burst attacks», a knock - away and a launcher respectively, a throw and an ultimate attack (called a «Big Bang Attack»), every character also has an universal dodge - action that sends them behind their enemies while spending one cosmo bar, making bar management that much precious and shielding you from a half - a-hour combo, unlike in the NUNS series, the fighting and the characters are nicely balanced, with every character being fun to play and viable at the same time, the game runs smoothly without frame - rate issues and the cell - shaded graphics, character models, arenas and effects alike are nice to the eye, battles are divided into rounds, with all the tiny nice stuff like character introductions and outros being intact (fun fact: the characters will even comment on their score after the battle), the game also features an awakening system, called the «Seventh Sense» awakening, unlike the NUNS awakening system which became severely unbalanced in the later game, every character simply gains a damage / defense boost, with the conditions being the same for all characters, eliminating situations when one character can use awakening at almost any point in the battle, or one awakening being drastically stronger than the other, the game has a story mode with three story arcs used to unlock characters, a collection mode, tournament modes, a survival mode, a series of special versus modes and online battle modes.

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

Year 4 Science Assessments Objectives covered: Recognise that living things can be grouped in a variety of ways Explore and use classification keys to help group, identify and name a variety of living things in their local and wider environment Recognise that environments can change and that this can sometimes pose dangers to living things Describe the simple functions of the basic parts of the digestive system in humans Identify the different types of teeth in humans and their simple functions Construct and interpret a variety of food chains, identifying producers, predators and prey Compare and group materials together, according to whether they are solids, liquids or gases Observe that some materials change state when they are heated or cooled, and measure or research the temperature at which this happens in degrees Celsius (°C) Identify the part played by evaporation and condensation in the water cycle and associate the rate of evaporation with temperature Identify how sounds are made, associating some of them with something vibrating Recognise that vibrations from sounds travel through a medium to the ear Find patterns between the pitch of a sound and features of the object that produced it Find patterns between the volume of a sound and the strength of the vibrations that produced it Recognise that sounds get fainter as the distance from the sound source increases Identify common appliances that run on electricity Construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery Recognise that a switch opens and closes a circuit and associate this with whether or not a lamp lights in a simple series circuit Recognise some common conductors and insulators, and associate metals with being good conductors

You can see its exposed carbon - fiber body when you're sitting in its surprisingly spacious, simple two - passenger cell, its manual steering is grouchier than a just - dumped preteen, and there's still a turbocharged 1.7 - liter four - cylinder engine and accompanying six - speed dual - clutch transaxle shoved behind the seats.

After the driver completes a simple one - time «pairing» process to link the cell phone with the vehicle, Bluetooth HandsFreeLink can communicate wirelessly and securely with the driver's cell phone when the phone is inside the vehicle.

After the driver completes a simple one - time «pairing» process to link the cell phone with the vehicle, Bluetooth ® HandsFreeLink ® can communicate wirelessly and securely with the driver's cell phone when the phone is within about 33 feet of the vehicle.

When a dog's body has cancer, the neoplasms (cancer cells) are fueled by simple sugars or glucose (glycosis).

New insight into science that seems, on its surface, exceedingly simple — what happens when you add salt to water — could ultimately lead to a better understanding of biochemical processes in cells and perhaps advance sources...

Before you start breaking open old car batteries and making your own solar cells, remember that while the process may be described as «simple» when done by MIT researchers, it's not really appropriate for a home science project unless you've got the know - how, the skills, and the equipment to deal with the sulfuric acid and lead in the batteries without causing harm to yourself and others.