All cells must have energy to function. Most of the energy used by the cells in your body is produced by cellular respiration. I
n cellular respiration, cells use ____________ to release energy stored in __________. A) oxygen, sugars B) sugars, oxygen C) protein, oxygen D) minerals, sugars
All living organisms need energy for their life processes. This energy is obtained by the process of CELLULAR RESPIRATION. Cellular respiration is a metabolic (catabolic) process common to all living organisms. Cellular respiration is the biochemical process in which the cells of an organism obtain energy (ATP) by combining oxygen and glucose, a sugar found in the food we eat, resulting in the release of carbondioxide (CO2) and water.
Our (Human) body cells need oxygen to undergo this process of cellular respiration, although other organisms like yeast, bacteria etc. don't always need it. Food we eat are broken down into simpler organic molecules (carbohydrates) during digestion and stored as glucose (energy storage molecule). This glucose enters our cell via the blood and broken down. The energy stored in this glucose molecule is freed and used to power our movement and physiological functioning.
Aerobic (oxygen-involving) respiration involves: Glycolysis, Kreb's cycle and Oxidative phosphorylation, where a total of 36 ATP molecules are produced.
A scientific theory is a proposition that is made to explain the various phenomena that are occurring in nature and it is supported by experiments that have repeatability and well-analyzed results.
Scientific theories are usually tested in experiments under controlled conditions and verified as well.
In the given situation, the theory made by the observer is not being tested through any experimentation or quantification and therefore, it is just a hypothesis and not a scientific theory.
A planet's atmospheric conditions influence its ability to retain heat, so that the location of the habitable zone is also specific to each type of planet.
Here the question is stating about the hot deserts.
Hot deserts are characterized by extremely hot and arid climate.
Average annual range of rainfall is as low as 25 cm.
Deserts lack vegetation except at some patches.
Plants that survive in hot deserts have several adaptation to check the loss of water through transpiration.
These adaptation include, succulent stems, cuticularized epidermis, Reduction of leaves into spines or thorns, stems modified into phylloclades and deep roots to absorb water.
