WebFeb 18, 2024 · A centriole consists of a cylindrical structure made with nine triplets microtubules that surround the periphery of the centriole while the center has a Y-shaped linker and a barrel-like structure that stabilizes … WebOct 4, 2024 · Answer: (a) Cytoplasm: The jelly-like substance found between the nucleus and the cell membrane is called cytoplasm. It is made up of basic elements like C, H, O, N. Various other components or organelles, like mitochondria, Golgi bodies, ribosomes, etc., of cells are present in the cytoplasm.
Intro to viruses (article) Viruses Khan Academy
WebTranscription is the first step in gene expression. It involves copying a gene's DNA sequence to make an RNA molecule. Transcription is performed by enzymes called RNA polymerases, which link nucleotides to form an RNA strand (using a DNA strand as a template). Transcription has three stages: initiation, elongation, and termination. WebJan 14, 2024 · The cytoplasm is a thick, clear, jelly-like substance present inside the cell membrane. Most of the chemical reactions within a cell take place in this cytoplasm. … f n p medical
Mitochondrion Definition, Function, Structure, & Facts
WebGenerally, mutations of two types of cell cycle regulators can promote the development of cancer: Positive regulators, which normally promote cell growth, may become … WebMay 7, 2024 · Transcription is the first part of the central dogma of molecular biology: DNA → RNA. It is the transfer of genetic instructions in DNA to mRNA. Transcription happens … WebIn frogs, the egg cell is a massive cell—much larger than a normal frog cell—and it has an uneven distribution of various molecules, which are deposited in the egg by the mother frog before fertilization. 3, 4 ^{3,4} 3, 4 start superscript, 3, comma, 4, end superscript This asymmetry is even visible in the egg: it has a dark-colored top—called the animal … greenway international corp