Answer:
Lactic acid fermentation
Explanation:
When sugars are broken down to energy and lactic acid in animal tissues and in microorganisms it is referred to as lactic acid fermentation. Unlike alcoholic fermentation, lactic acid can be further broken down to release the locked up energy should oxygen be made available.
Answer:
Answered below
Explanation:
Cell membranes are barriers which protect and regulate the movement of substances in and out of the cells. It is a semi-permeable and selective structure.
In the passive transport system, substances move along a concentration gradient and it doesn't require energy. The examples of passive transports include; simple diffusion which transports carbon dioxide and oxygen, osmosis and facilitated diffusion which transports charged molecules like ions, sucrose etc.
In active transport, substances move against the concentration gradient. This requires energy. The two main types are: primary active transport, which uses direct metabolic energy e.g Na+/K+ pump, and the secondary active transport system which couples the transported molecules with another molecule moving along the gradient, example the Na+/glucose transporter.
1. The heart muscle cells need plenty of oxygen and nutrients so it needs its own blood supply.
2. The heart needs to have a blood supply to get ride of wastes.
Hope that helps. -UF aka Nadia
Answer:
Eukaryotic cells make energy-rich molecules such as ATP and NADH through energy pathways including photosynthesis, glycolysis, the citric acid cycle, and oxidative phosphorylation, beginning with energy sources obtained from their environment in the form of sunlight and organic food molecules.
Explanation:
PCR, or polymerase chain reaction is used to take a section of dna and force it into a - millions of identical copies of a DNA fragment
PCR (Polymerase chain reaction) - It is defined as a technique that is used to make millions of identical copies of a DNA fragment in a few hours. This technique is commonly used for a variety of applications like- genotyping, cloning, mutation detection, sequencing, micro arrays, forensics, and paternity testing etc.
