Cells that are in the prometaphase of mitosis are prone to arrest.
<h3 /><h3>When does the nuclear envelope separate from the nucleus during mitosis?</h3>
During prophase, the nuclear membrane separates, the nucleolus disappears, and the chromosomes condense.
<h3 /><h3>Why does the nuclear envelope separate during mitosis?</h3>
The nuclear envelope separates during the beginning of mitosis as a result of cyclin-dependent kinase. Phosphorylation of INM proteins modifies their interactions with chromatin. Nuclear envelope collapse is necessary for sister chromatid segregation.
<h3>The nuclear envelope has what purpose?</h3>
The nucleus is encircled by a double membrane known as the nuclear envelope. The largest single organelle in a cell is the nucleus.. The nuclear envelope separates the contents of the nucleus from the outside of the cell. The organism's genes are found on chromosomes.
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Extracting carbon monoxide or regular carbon
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Answer:</h2><h2>
C. ACTING AS A SHOCK ABSORBER FOR THE BRAIN AND SPINAL CORD</h2>
Explanation:
Meninges are tissues that provide protection, support and also serve metabolic roles for the nervous system. The cerebrospinal fluid is the fluid of the central nervous system and serves as protection, gives buoyancy to the brain, assists in excretion of waste products of metabolism from the brain.
These meninges are of three membranes; the dura mater which is the outer membrane; the pia mater which is rich in blood vessels and the arachnoid mater which keeps the brain in the cerebrospinal fluid. The meninges, along with the cerbrospinal fluid serves to cushion the brain and spinal cord preventing shocks. The pia mater layer of the meninges provides for the delivering of oxygen directly into the CNS and protects the brain from infections through the action of the leucocytes in the blood.
c. two cells that have two identical copies of DNA
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In eukaryotes, ribosomes become associated with endoplasmic reticulum membranes when a signal sequence from the RNA is given. <span>In the cytoplasm, ribsomal RNA (rRNA), a type of RNA, and protein
combine to form a nucleoprotein called a ribosome. The ribosome serves as
the site and carries the enzymes necessary for protein synthesis. They are
often takes the shape of small round particles attached in the endoplasmic
reticulum. The ribosome attaches itself to m-RNA and provides the stabilizing
structure to hold all substances in position as the protein is synthesized. An example of a eukaryote is the protists. </span>Protists belong to the group eukaryotes (having their DNA enclosed
inside the nucleus). They are not plants, animals or fungi but they act like
one. They can be in general subgroups such as unicellular algae, protozoa and
molds. They thrive in environments with little sunlight.