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in somatic cells involves meiotic division resulting in diploid daughter cells.

involves mitosis (division of nucleus and cell) and interphase (cell does not divide).

can be divided into leptotene, zygotene, pachytene, and diplotene.

is regulated by checkpoints that affect the G1-S-G2-M phase sequence.

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The different stages of mitosis have the following characteristics:

in anaphase, the centromeres of the chromosomes are attached to the fibers of the division spindle.

telophase is characterized by the re-establishment of cell nuclei.

DNA duplication occurs in prophase.

during metaphase, the chromosomes are concentrated in the equatorial plane of the cell.

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Intermediate filaments

are formed by vimentin in cells of mesenchymal origin.

are also called neurofilaments in neurons.

rapidly polymerize and depolymerize, bind to myosin and are involved in the transport of substances within the cell.

are formed by cytokeratins in epithelial cells.

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are spot junctions responsible for the cohesion of adjacent cells.

are abundant, e.g. between keratinocytes in the stratum spinosum.

form a continuous belt (called zonula adhaerens) on the lateral surface of epithelial cells.

allow the conductive connection of the cytoplasm between adjacent cells.

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Actin filaments

have the shape of hollow rigid tubes.

are formed by the polymerization of globular actin into a double helix of F-actin.

form a cortical cytoskeleton that maintains the shape of the cell.

allow contraction of muscle cells and fibers.

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In a box there are two green balls and two red balls. Consider that two balls are randomly selected without replacement. The probability of these two balls having the same color is:

0.667

None of the options is correct

0.333

0.25

0.5

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Consider the histogram depicted below:

Which boxplot depicts the same data as the histogram?

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Consider the research question: “How frequently do adults consume fruits and vegetables?”

A survey asks a random sample of participants to report their daily intake of fruits and vegetables, but some respondents overstate their consumption to appear healthier.

Which type of bias is most likely present?

Voluntary Response Bias

Non-Response Bias

None of the options is correct

Measurement Error

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