WebIt is possible for RNA to replicate itself by mechanisms related to those used by DNA, even though it has a single-stranded instead of a double-stranded structure. In early cells RNA is thought to have replicated itself in this way. However, all of the RNA in present-day cells is synthesized by special enzymes that construct a single-stranded RNA chain by using one … WebThe tail of the phospholipid molecule: 1. is hydrophilic and composed of phosphate. 2. is hydrophilic and composed of saturated hydrocarbons. 3. is hydrophobic and composed of saturated hydrocarbons. 4. is hydrophobic and composed of unsaturated hydrocarbons. 3. In photosynthesis, the light-independent reactions take place at. 1. thylakoid lumen.
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WebJun 26, 2024 · inside the cell nucleus there are 46 tiny structures called chromosomes . these are made of tightly coiled strands of DNA which contains all the informations of the … WebKey points: All cells have a cell membrane that separates the inside and the outside of the cell, and controls what goes in and comes out. The cell membrane surrounds a cell’s … gnrh receptors
What thread like structure found is the nucleus of the cell?
Web1. Cockroaches exhibit mosaic vision with less sensitivity and more resolution. 2. A mushroom-shaped gland is present in the 6 th -7 th abdominal segments of male. 3. A … WebThe International Space Station (ISS) is the largest modular space station in low Earth orbit.The project involves five space agencies: the United States' NASA, Russia's Roscosmos, Japan's JAXA, Europe's ESA, and Canada's CSA. The ownership and use of the space station is established by intergovernmental treaties and agreements. The station serves as a … WebA cell spends most of its time in this “in between” phase, performing cell activities like cellular respiration, osmosis, and for plant cells, photosynthesis. During this phase, the DNA is uncoiled and called chromatin. A pair of centrioles are present (but inactive in the cytoplasm) and the nucleolus is visible. bon appetit blueberry pie