The nucleus is responsible for all of the following exceptWhat is the function of lysosomes?

1 answer:

4 0

- The nucleus is responsible for housing the nucleolus, storing DNA, and housing chromosomes. Digesting bacteria is the responsibility of a different organelle.

So the answer would be digesting bacteria.

- Lysosomes function as the digestive system of the cell, serving both to degrade material taken up from outside the cell and to digest obsolete components of the cell itself.

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To test the quality of water sources in her area, Shameka collects five samples from each water source and tests the quality of

Neporo4naja [7]

Of the steps included in the scientific method, Shameka is performing step five, which is to<u> test your hypothesis by performing an experiment</u>.

The scientific method is the globally accepted process by which to make scientific claims. This method includes seven steps which are:

Ask a question
Do research
Create a hypothesis
Design an experiment to test the hypothesis
Perform the experiment
Study the results and make a conclusion
Communicate the results to your peers.

The question states that Shameka is <u>gathering samples from nearby water sources</u>, therefore she is in the process of testing her hypothesis through experimentation, which corresponds to step 5 of the scientific design.

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3 years ago

Which plant division has seeds with a 3n endosperm due to double fertilization?

matrenka [14]

Answer:

Angiosperms have seeds with an 3n endosperm due to double fertilization.

Explanation:

Double fertilization is found only in flowering plants.
In angiosperms, the female gametophyte does not grow after reaching eight nucleate stage.
After fertilization and triple fusion, the zygote and primary endosperm are created and further growth of embryo sac continues.
Triple fusion is the fusion of two haploid polar nuclei of female gametophyte and one male nuclei. This results in a 3n nucleus.
The developing embryo obtains nutrition from the endosperm.
If fertilization fails no endosperm is formed.

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3 years ago

The African clawed frog (Xenopus laevis) is allotetraploid, likely as a result of an interspecies mating long ago, followed by a

stepladder [879]

Explanation:

Xenopus laevis is allotetraploid: it has 2 sets of homologous chromosomes originally from one species and 2 sets of homologous chromosomes originally from another species, making a total of 4 sets of chromosomes. During meiosis, every chromosome has another homologous one with which it can pair, producing viable gametes that have the complete genetic information of the species.

Mules, however, are allodiploid: they have one set of chromosomes from a donkey and another set from a horse, making a total of 2 sets of chromosmes. But those two sets are not homologous, so during meiosis the chromosomes can't pair and the gametes will have errors that make them inviable, making mules sterile

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3 years ago

Is white sugah good for health?

EleoNora [17]

Answer:

<h3>White sugar is polished and refined sugar. It has a high glyciemic index (Glycemic index)</h3><h3>GI represents the total rise in your blood sugar level following consumption of the food. White sugar probably has a GI of around 96 which is pretty close to the highest (100 of pure glucose). </h3>

<h3>Hence it is unhealthy because the body is unable to burn off this sudden spike in glucose levels.</h3>

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3 years ago

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Which organisms contain chloroplasts to help with food production?

notsponge [240]

Plants contain chloroplast to help with food production

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3 years ago