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Sloan [31]
3 years ago
12

Osmosis does not require an additional input of energy from the cell.

Biology
2 answers:
jasenka [17]3 years ago
7 0

Answer:

passive transport

Explanation:

Osmosis is the process in which water molecules move from a region of higher water potential to a region of lower potential down a water potential gradient across a partially permeable membrane, so little energy is required to carry out this process, thus it is a form or passive transport.

r-ruslan [8.4K]3 years ago
6 0

Answer:

Osmosis is considered to be a type of

active transport.

Explanation:

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Answer:

1. They must be removed before sister chromatids or homologous chromosomes can separate

Explanation:

During the S-phase of the cell cycle, not only does DNA have to be replicated, but also newly synthesized DNA molecules have to be connected with each other. This replicated DNA (sister chromatids) remain physically connected with each other from S phase until metaphase. This physical connection is called Sister chromatids cohesion.

Sister chromatid cohesion depends on COHESIN, a tripartite protein complex that forms a ring structure to hold sister chromatids together during mitosis and meiosis. Cohesin regulates the separation of sister chromatids during cell division, either mitosis or meiosis. This sister chromatid cohesion is essential for the biorientation of chromosomes on the mitotic or meiotic metaphase spindle, and is thus an essential prerequisite for chromosome segregation. Without the cohesion, sister chromatids would not be segregated symmetrically between the forming daughter cells, resulting in aneuploidy.

Cohesion is established during S-phase of DNA replication, and the cohesins hold the sister chromatid together after DNA replication until anaphase when the removal of cohesin leads to separation of sister chromatids (meiosis II and mitosis) and homologous chromosomes (meiosis I).

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3 years ago
Plants don't grow as well when ____ has been lost
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Hormones secreted by the hypothalamus that influence the secretions of pituitary are
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You are dealing with a problem in which the male parent has a genotype of DDmm, while the female parent has DdMm. After doing th
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The sets of alleles for each parent are Dm for the mother and DM, Dm, dM, and dm for the father. This information is fundamental for estimating genotype and allele frequencies in offspring.

<h3>What are alleles?</h3>

Alleles are gene variants for a given gene <em>locus</em>, diploid organisms inherit two alleles for each locus (one from each parent).

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The analysis of gamete combinations is fundamental to estimate genotypes and allele frequencies.

Learn more about alleles here:

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