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What phase of meiosis do homologous chromosomes cross over?
Crossing over begins early in prophase I of meiosis. At the time, homologous chromosomes Are paired along their lengths. Each gene on one homologue ia alined precisely with the corresponding gene on the other homologue. Source: my science book copy right 2006
What are unwanted radioactive products formed during nuclear reactions called?
Radioactive waste.
The energy and particles given off during a nuclear reaction are called?
Radiation
Why does stirring affect diffusion?
Stirring decreases the time it takes for a substrate to dissolve in a solvent. More of the substrate is exposed to the solvent, thus, allowing it to dissolve quicker. This is similar to why increasing surface area during a chemical reaction, increases the rate of the reaction.
Where will water move during osmosis?
Water moves through the membrane towards the side that has a higher dissolved solute concentration. Another way to look at it is that the water moves in the direction that results in equal concentrations on both sides of the membrane.
What two structures disappear during prophase?
During prophase, the nuclear membrane and the nucleolus dissolve and disappear.
What phase in the cell cycle dissolves the nuclear membrane?
The Nuclear membrane dissolves during prophase
The nuclear envelope disintegrates during .?
Cellular Division.
What is the phase in mitosis where the nuclear membrane disappears?
"scientist have not discovered WHY it happens"It does not matter if scientists have discovered it or not, but the nuclear membrane disappears during PROPHASEHope this helped!!!
When in the cell cycle does the nuclear membrane begin to fade?
In mitosis the nuclear envelope begins to break in prophase. In meiosis the nuclear envelope begins to break in prophase 1.
When does the nuclear membrane and nucleolus reappear?
The nuclear membrane disappears during prophase of mitosis and reappears during telephase
Besides the nucleus what else is broken down during prophase?
Nuclear membrane and nucleolus
The nuclear membrane disintegrates during prophase true or false?
true
What phase does the nuclear membrane fade?
The nuclear membrane fades during the prophase of mitosis or meiosis. This is the stage when the membrane begins to break down and disappear, allowing the chromosomes to become more condensed and accessible for cell division.
When does the nuclear envelope form?
The nuclear envelope is the nuclear membrane.
In which phase do moving the pairs of centrioles to opposite poles?
The centrioles move toward opposite poles during prophase. During prophase the nuclear membrane disintegrates. Spindle fibers appear during the prophase.
What happens to the nuclear membrane during prophase?
Resulting from interphase, is a genetic material in the nucleus called chromatin. The chromatin condenses in chromosomes. During prophase, the nucleoli disappear and the chromatid structure of the chromosomes becomes apparent. Since each chromosome has duplicated and now consists of two sister chromatids, the nuclear membrane dissolves so that the sister chromatids can separate. If it didn't dissolve, they'd still be held together.
