What is the smallest part of a cell?

1 answer:

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A cell is the smallest unit of life. Cells are often called the "building blocks of life". The study of cells is called cell biology. Cells consist of cytoplasm enclosed within a membrane, which contains many biomolecules such as proteins and nucleic acids.

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What is the source of the pressure that has caused coyotes to adjust to a more nocturnal behavior

butalik [34]

<h2>Nocturnal Behavior</h2>

Explanation:

The wellspring of the weight that has caused coyotes, which were once basically diurnal, to change in accordance with a progressively nighttime conduct is the nearness of increasingly forceful diurnal predators, <em>all the more ordinarily, lions. Lions just chase in the day which constrains the movement of the coyotes. </em>
When living in nearness to people, coyotes will in general be nighttime yet may likewise be dynamic in the early morning and at dusk.
In zones with next to zero human movement, coyotes will chase during the day, and when a litter of puppies should be taken care of, they may need to chase nonstop.
<em>Coyotes normal 25 pounds, yet can arrive at 50 pounds, and measure 40 to 50 creeps from nose to tail tip</em>.
They can be dynamic day or night, yet are regularly generally dynamic at day break and nightfall.
That is the point at which you can hear them s<em>peaking with barks, howls and cries.</em>

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3 years ago

What would happen if cytokinesis failed?

strojnjashka [21]

Answer:

The nucleus would never divide, and the new daughter cells would lack a

nucleus and would die.

Explanation:

Cytokinesis is an essential process of cell division, part of the cell cycle. If cytokinesis failed, cells wouldn't be able to reproduce.

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2 years ago

What three processes lead to variation among offspring that have the same two parents?

beks73 [17]

Explanation:

Genetic variation in offspring during sexual reproduction is caused by

crossing over
independent assortment
randomized fertilization

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. To produce daughter cells during cell division, the chromosomes (total number of chromosomes (2n)) are copied before the cell splits into two daughter cells. This process is known as mitosis, and occurs in cell division and growth processes. Two new nuclei are formed, along with identical cells. These are the same as the parent cell and the chromosome number (2n) is maintained.

Conversely in meiosis, the number of chromosomes (2n) is halved through meiotic divisions, producing 4 (n) germ cells (sperm or eggs), each containing half the number of chromosomes as its parent cell.

crossing over: the exchange of segments of chromosome, between non-sister homologous or similar chromatids crossing over happens at chiasmata, the point where non-sister chromosomes are joined.
independent assortment in metaphase I of meiosis: chromosomes align independently and genes segregate independently into new combinations ...in humans 2n, n = 23, 8 million combinations of chromosomes possible
randomized fertilization: sperm cells fertilize an ovum to form a zygote. This occurs randomly by chance, to result in a complete set of chromosomes 2n, that is a novel combination of half each parent's number of chromosomes

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

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2 years ago

In humans, a combination of XX chromosomes results in a female zygote and that of XY results in a male zygote. From whom does a

emmainna [20.7K]

The male zygote gets the X chromosome from the female.

3 0

3 years ago

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Which of these actions is a reproductive strategy?

Sergeu [11.5K]

<span>The answer is a lioness teaching her young how to hunt
An action could be considered as a reproductive strategy is it's being done to ensure the continuation of the next generation.
Teaching the young lion to hunt will definitely improve the young lion capability's to survive and help their survivability</span>

4 0

3 years ago

Read 2 more answers