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Science

The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

203,801 Questions

What strand is the messenger rna complementary to?

mRNA is complementary to the template strand of DNA during transcription. The template strand serves as a template for mRNA synthesis, directing the formation of a complementary mRNA transcript.

Is A group of similar cells performing the same function is an organ.?

No, a group of similar cells performing the same function is called a tissue. An organ is made up of different types of tissues working together to perform specific functions in the body.

What Plants obtain nitrogen from the?

Plants obtain nitrogen from the soil in the form of nitrates and ammonium. They use nitrogen to help with their growth and development, particularly in producing proteins and chlorophyll. Some plants have symbiotic relationships with nitrogen-fixing bacteria that help convert atmospheric nitrogen into a usable form for the plants.

What temperature scale has no negative temperatures joule Celsius kelvin Fahrenheit?

The Kelvin scale is based at absolute zero.

The Kelvin scale was defined when the scientist William Thomson (1st Baron Kelvin) calculated the absolute minimum thermal energy an object can have. He decided to shift the Celsius scale so that 0 would be equivalent to having zero thermal energy (aka absolute zero).

What is the part of the bone that makes blood cells?

The bone marrow is the part of the bone that produces blood cells. It contains stem cells that can develop into red blood cells, white blood cells, and platelets.

In what ways are they different?

They differ in terms of shape, mass, and composition. Galaxies are large systems of stars, planets, gas, dust, and dark matter, often containing billions to trillions of stars, while stars are individual luminous spheres of plasma held together by gravity. Galaxies are much larger and contain a wide range of celestial objects, whereas stars are self-luminous objects that emit energy through nuclear fusion.

Where in the pacific have the same type of pattern as seen in the Atlantic?

The Pacific Ocean has a similar pattern to the Atlantic Ocean in terms of the presence of hurricane-like storms, known as typhoons. Typhoons form in the western Pacific Ocean and can also impact regions along the Pacific Rim in a manner similar to hurricanes in the Atlantic Basin. Both types of storms can have significant impacts on coastal areas.

Where did the microscope come from?

well, "MICRO" means "small" and "SCOP" (yes, with out the "e") is a greek root word meaning "see"

What is the earths hydrosphere best describe at?

The Earth's hydrosphere is the sum of all water on the planet, including oceans, lakes, rivers, groundwater, and glaciers. It plays a crucial role in regulating the Earth's climate and supporting life on the planet.

What mass movement requires water to be present?

A mass movement that requires water to be present is a debris flow. This occurs when water mixes with loose debris, such as soil and rocks, creating a fast-moving mixture that flows downhill. Water acts as a lubricant in debris flows, increasing the speed and destructive force of the movement.

What happens when radio waves hit the earth?

When radio waves hit the Earth's atmosphere, they can be absorbed, reflected, or refracted. Some radio waves may continue through the atmosphere and reach the Earth's surface, where they can be picked up by antennas and receivers for communication or broadcasting purposes. The Earth's atmosphere allows radio waves to travel long distances without much degradation, making them valuable for long-range communication.

How do you chromosomes at end of meiosis i compare with the chromosomes at end of meiosis ii?

At the end of meiosis I, the chromosomes are duplicated (sister chromatids) and homologous chromosomes separate. At the end of meiosis II, the sister chromatids separate, resulting in four haploid daughter cells each with a single set of chromosomes. Meiosis II is similar to mitosis in terms of chromosome behavior as the sister chromatids separate.

What are lumps in ground nut plants?

Lumps on groundnut plants are typically caused by the presence of root-knot nematodes. These nematodes infect the roots of the plant, causing swelling and deformation known as galls or lumps. Treatment may involve planting resistant varieties, crop rotation, and soil fumigation.

When During what part of the cell cycle are organelles copied?

Organelles, such as mitochondria and chloroplasts, are copied during the S phase of the cell cycle when the cell's DNA is replicated. This ensures that each daughter cell receives a complete set of organelles when cells divide.

Would you expect there to be more children with the dominant phenotype or recessive phenotypewhy?

There would likely be more children with the dominant phenotype because it only requires one copy of the dominant allele to express the dominant trait, whereas the recessive phenotype requires two copies of the recessive allele.

What branch of science includes the study of plants animals and the human body?

The branch of science that includes the study of plants, animals, and the human body is biology. Biology focuses on the study of living organisms, their structure, function, growth, origin, evolution, and distribution.

What is the maintenance of a stable internal environment.?

This state of equilibrium is known as homeostasis.

What is A pair of similar chromosomes with the same genes in the same locations is known as a?

A pair of similar chromosomes with the same genes in the same locations is known as homologous chromosomes. These chromosomes are inherited from each parent and play a key role in genetic variation and inheritance.

Is cogon seed is a monocot or a dicot?

Cogon grass seed is considered a monocot because it belongs to the Poaceae family, which consists of monocotyledonous plants. Monocotyledonous plants have seeds with only one cotyledon or seed leaf.

What is one example on how a organism grows?

One example of how an organism grows is through cell division, where existing cells replicate and divide to form new cells. This process allows for growth and development in multicellular organisms.

What are 3 reasons meteorologists work is important?

  1. Meteorologists help to forecast weather patterns, which is crucial for early warning of severe weather events like hurricanes, tornadoes, and storms.
  2. Their work provides vital information for industries such as agriculture, aviation, and shipping to make informed decisions and minimize risks due to weather conditions.
  3. Meteorologists contribute to understanding climate change by studying long-term weather trends and their impacts on the environment and society.

What macromolecule will your body break down first in order to get ATP?

Your body will typically break down carbohydrates first to get ATP. Carbohydrates are a quick and efficient source of energy, which can be used to generate ATP through processes like glycolysis and the citric acid cycle.

How many cells in a unicellular function to take in food?

In a unicellular organism, typically a single cell carries out the functions of taking in food, digesting it, and obtaining nutrients. This cell performs all necessary activities for the organism's survival.

How do go from a cell to an organism?

A cell undergoes division and differentiation to form tissues, which then work together to form organs. These organs collectively make up an organism. The process involves coordinated cell division, growth, and specialization to create various cell types and structures that function together as a whole organism.

What position in this food web is occupied by the mushrooms?

Mushrooms occupy the position of decomposers in the food web. They break down organic matter and recycle nutrients back into the ecosystem.