Science

Refine Search

What are some different kinds of fungi?

Candida is a genus of fungi that can cause thrush and yeast infections. Dermophytes cause fungal infections of the nails and skin, such as ringworm.\nThere are more than 5,000 types of mushrooms found in the U.S., eight of which are considered to be poisonous. Amanitas, or "death caps," are one type of poisonous mushroom found in the U.S. They are commonly confused with types that are safe to eat, but like the name suggests, they can be deadly.

Continue Reading

What science project can involve growing a bean plant?

This science project is for children aged 3 to 6 years. The goal of the project is to learn about transformation and change in plants. An additional learning goal is a better grasp of the concept of time and how it is measured.Prepare the materialsThis science project needs potting soil, cups to put it in and beans to plant. For measuring, use a small wooden stick or a piece of cardboard to write measurements and dates directly on them. Alternatively, have a ruler to measure the plant.Plant the beanFill the cups with soil. Plant the beans, putting more than one into each receptacle, as some be..

Continue Reading

What is the function of phospholipids?

Phospholipids are composed of two fatty acid chains and one glycerol compound. The fatty acid chains act as the tails of the phospholipid while glycerol acts as a head. The glycerol molecule also attaches to a phosphate group. The phosphate group causes the glycerol head to become hydrophilic. The ability for phospholipids to be both hydrophobic and hydrophilic causes the compounds to be amphipathic.\nIn biological system, phospholipids allow cell membranes to be fluid. Their unique characteristics allow the cell membrane to take different shapes and expand and shrink when necessary.\nPhosphol..

Continue Reading

How fast does Jupiter rotate?

Due to its speedy rotation, Jupiter's day lasts for about 9 hours and 50 minutes. This planet is the largest in the solar system. It is an oblate spheroid, as opposed to being spherical like planets with solid surfaces. Besides the sun and moon, this planet is the shiniest object in the sky.

Continue Reading

What eats dragonflies?

Immature dragonflies exist in fresh water all throughout the world but thrive best in ponds or slow-moving streams that have no fish. Adult dragonflies prefer to live close to water but occasionally travel to open areas in order to hunt. Dragonflies benefit the environment because they assist in controlling the population of mosquitoes and other biting flies.

Continue Reading

Where can you buy a clock with a stopwatch?

The Polder Stopwatch Timer with Clock features a large digital display and a 12- and 24-hour electronic clock that can keep time for up to 10 hours. The magnets on the back of the clock allow users to hang it on the fridge for easy access during cooking in the kitchen.Another clock with a stopwatch is the Presto Electronic Clock and Timer 04212. This product is also available from Amazon, and it features a timer, stopwatch, clock, calendar, a large LCD digital display and a loud timer signal.

Continue Reading

What is a military clock?

Midnight on a military clock is considered 00:00 or the start of a new day. One in the morning is 01:00. The first 12 hours of military time are the same as the first 12 hours of standard time. The two clocks, however, are different. While 6 a.m. is located at the bottom of a standard clock, the same time is located at the first 90-degree angle from the 12, or the 3 position on a standard clock.\nAfter the first 12 hours, military and standard time diverge. The standard 1:00 p.m. becomes 13:00, or the 13th hour of the day. The standard 10 p.m. is 22:00. On a military clock, 13:00 lies just to ..

Continue Reading

Where is RNA found in the cell?

Along with RNA, DNA and proteins are also required for life. DNA, or deoxyribonucleic acid, is composed of the genetic information of a cell that determines how it behaves, maintains itself and grows. RNA is created as a copy of certain parts of the DNA. The RNA is then used by another component of cells, ribosomes as a set of instructions for what proteins should be made to accomplish a certain task.

Continue Reading

What are transport proteins?

Hemoglobin, for example, transports oxygen molecules to tissue. Myoglobin, another transport protein, then takes oxygen from the hemoglobin and stores it until it is needed in muscle tissue.\nTransport proteins are essential to the function of living beings, and very few molecules are able to cross between membranes without the aid of a protein.

Continue Reading

What is the role of the leaf in photosynthesis?

The structure of leaves allows them to aid in the process of photosynthesis because they are thin. This short distance between the front and back of a leaf allows carbon dioxide to disperse throughout it easily. The stomata are the part of the leaf that allows carbon dioxide to diffuse throughout it. They also contain guard cells that open and close the stomata under various conditions.\nLeaves contain other pigments in addition to chlorophyll that allow them to absorb light from the sun's full spectrum. The veins in leaves, also called vascular bundles, provide support and transport wate..

Continue Reading
Showing 1931 to 1940 of 10000 (1000 Pages)