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∙ 12y ago(: Centriole :)
No vertical angles are across from each other & adjacent angles are beside but opposite from each other.
4 right angles, no other angles.
Vertical Angles
adjacent angles
(: Centriole :)
centriole
The mitotic spindle is composed of microtubules, which are dynamic structures made up of tubulin protein subunits. It consists of three main types of microtubules: kinetochore microtubules that attach to the chromosomes, polar microtubules that interact with each other to help push the poles of the cell apart, and astral microtubules that anchor the spindle poles to the cell membrane.
Only the plasma membrane is made of phosophlipids as a semipermiable membrane. No other structures are made from it. There are, however, organelles which are surrounded by a plasma membrane. These include nucleus, mitochondria, peroxisomes, lysosomes and chloroplasts (in plants).
Microfilaments are thinner rods of protein that enable movement. Microtubules are hollow tubes that give rigidity and shape. Flagella and cilia have microtubules in their centers.
Yes, centrioles typically lie at right angles to each other within a cell, forming a structure known as a centrosome. This orientation is important for organizing the microtubules during cell division and maintaining cell structure.
Dynein is the motor molecule associated with the microtubules in cilia and flagella. Dynein is responsible for generating movement by sliding the microtubules past each other.
Ribosomes and centrioles are organelles that are not surrounded by a membrane. Ribosomes are responsible for protein synthesis, while centrioles play a role in cell division.
Cilia, which are similar to flagella in structure, would also show the same pattern of microtubules. Both flagella and cilia contain a 9+2 arrangement of microtubules, with nine outer doublet microtubules and a central pair of microtubules.
One organelle will have endosymbionts. While on the other hand, the other organelle will have apicoplast. That is how one can differentiate them.
During anaphase, motor proteins located at the kinetochores of chromosomes move along the microtubules, pulling the chromosomes towards opposite poles of the cell. This movement elongates the spindle by pushing the poles further apart. Additionally, microtubule polymerization at the kinetochore further contributes to spindle elongation during anaphase.
The flagellum is composed of a motor that drives the rotation of the whip-like structure, known as the filament or flagellar filament. It also contains a hook that connects the filament to the motor, as well as other structural components like the basal body and various proteins for support and movement.