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ladessa [460]
4 years ago
8

Drug that binds to tubulin molecules of plant cells and prevents the cells from assembling spindle microtubules would most likel

y cause the resulting plants or plant cells to have: ____________ .
Biology
1 answer:
jonny [76]4 years ago
5 0

Answer:

More than two complete sets of the chromosomes (polyploidy).

Explanation:

Assembly of spindle microtubules assist the chromosomes to arrange in the equator of the cell during metaphase. This is followed by the splitting of centromere and segregation of sister chromatids towards the opposite poles of the cell to ensure equal distribution of chromosomes among the daughter cells.

Any drug that prevents the assembly of the spindle apparatus would not allow the alignment of the chromosomes in the cell's equator. This would prevent the anaphasic segregation of daughter chromosomes to the opposite poles.  

Some of the resulting daughter cells are most likely to have more than two sets of chromosomes.

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Help! Need definitions ASAP
Georgia [21]
RNA polymerase: An enzyme that is responsible for making rna from a dna template.

Ribosome: a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells.

Promoter: A region of DNA that initiates transcription of a particular gene.

Regulator: Any organism that can maintain a constant internal environment largely independently of the external environment.

Hope this helps! Please give me brainliest!
4 0
4 years ago
True or False: Evolution is a theory, which is a well substantiated explanation for observable facts.
melisa1 [442]

Yes, it is true that evolution  is a theory, which is a well substantiated explanation for observable facts.

Evolution is change in the heritable characteristics of biological populations over successive generations. These characteristics are the expressions of genes that are passed on from parent to offspring during reproduction.

Different characteristics tend to exist within any given population as a result of mutation, genetic recombination and other sources of genetic variation.

Evolution occurs when evolutionary processes such as natural selection (including sexual selection) and genetic drift act on this variation, resulting in certain characteristics becoming more common or rare within a population.

The evolutionary pressures that determine whether a characteristic would be common or rare within a population constantly change, resulting in a change in heritable characteristics arising over successive generations. It is this process of evolution that has given rise to biodiversity at every level of biological organisation, including the levels of species, individual organisms and molecules.

Learn more about Evolution here : brainly.com/question/4207376

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7 0
2 years ago
Describe the reason why humans have a blind spot in their vision.
Temka [501]
The natural blind spot is due to lack of receptors where the optic nerve and blood vessels leave the eye. There can also be artificial blind spots when something blocks light from reaching the photoreceptors, or when there is local adaptation of the retina as just after seeing a bright light
7 0
3 years ago
Read 2 more answers
Why is mitosis important to your body
Verizon [17]

How is mitosis important for your body?

Mitosis is very important to the human body because it allows for the duplication of body cells. Human body cells constantly need to be created for many reasons such as that the body is constantly changing in size, and when someone gets hurt, mitosis is used to repair the damaged area whether it be internal or external.

4 0
3 years ago
What is the collective name for the animals found in australia who carry their young in pouches?
bogdanovich [222]
The correct answer is marsupials.
<span>Marsupials are any members of the mammalian class Marsupialia and are endemic to Australasia and the Americas. The main characteristic common to these species is that most of the young are carried in a pouch because they give birth to relatively undeveloped young. Examples of marsupials include kangaroos, wallabies, koalas, possums, opossums, wombats, and Tasmanian devils. </span>
4 0
3 years ago
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