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What process for very small organisms simply involves transferring materials across exposed surfaces?
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∙ 12y ago
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∙ 12y ago
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How does a microscope help a scientist?
Microscopes are helpful for viewing anything which is too small for human eyes to see. For example, compound microscopes are used in the field of microbiology to look at small organisms like algae or bacteria. Other types of microscopes can be used for analyzing surfaces of materials on a small scale.
Can you sterilize a rusty nail?
Rusty nails are more likely to harbour virii and bacteria than bright clean ones, due to their roughened surfaces, but the rusting does not produce the micro-organisms. They can be sterilised by heat or disinfectant.
What can a one-celled organism live in?
They can live almost anywhere, mainly they live underwater, but they can also live inside plants and animals, on surfaces, and in the air.
What organelle is considered a factory because it takes in raw materials and converts them to cell products that can be used by the cell?
This organelle, in short description, is known as a mitochondrion (singular), or mitochondria (plural).
What are the ways to increase friction?
1. Treading the wheels of vehicles 2. By increasing the weight of the object 3. By putting rubber grips on objects like cricket bats, racquets etc. 4. By having rough designs on shoes etc.
How do the surface materials of the inner and outer planets differ?
The inner planets' surface materials differ from the outer planets because the inner planets have rocky surfaces and the outer planets have gas surfaces.
Does the agents of erosion move materials from higher to lower surfaces?
yes
What activity is a mixing action that exposes materials to secretions and absorptive surfaces?
peristalsis
Why are coefficients of friction unitl-ess values?
Contacting surfaces can be of various materials
What type of exercise involves activities such as pushing against fixed surfaces?
Isometric
Why must a sterile field be kept dry?
Organisms and pathogens travel quickly on wet surfaces
What materials absorbs energy?
obviously everything but especially dark material and rough surfaces
What is steam blankets?
they are blankets made by John Schwartz to defrost frozen surfaces and materials.
How can you increase the frictional force between two surfaces?
The friction between two surfaces can be increased by some or all of the following - Increase the total area of direct contact between the two materials; Decrease minute deviations from direct contact of the materials; Use a superconductor as a "mortar"; Add pressure, weight, or additional mass force pressing down on the surfaces Scuffing or abrasion of smooth surfaces; Application of a "sticky" substance.
What has the author Timur Halicioglu written?
Timur Halicioglu has written: 'Simulation studies for surfaces and materials strength' -- subject(s): Molecular dynamics, Strength of materials
What are the dorsal and ventral surfaces on a bipedal organisms?
The dorsal side of a biped is it's back and the ventral side is the abdomen.
Is it true that shiny materials absorb radiant energy?
I believe that shiny surfaces reflect radiant energy.
