Use the Following to Answer the Following Questions -Which of the Following Relationships Between Cell Structures and Their

question 41

Multiple Choice

Use the following to answer the following questions. All three are involved in maintenance of cell shape.
$\begin{array}{c}\begin{array}{|l}\hline\\ \text {Property}\\\hline\\\\ \text {Structure}\\\hline\\ \text {Diameter}\\\hline \text {Main}\\\text {functions}\\\hline \end{array}\begin{array}{|l|}\hline \text { Microtubules (tubulin}\\\text { polymers) }\\\hline \text {Hollow tubes; wall}\\ \text {consists of 13 columns}\\ \text {of tubulin molecules}\\\hline \text {\( 25 \mathrm{~nm} \) with 15-nm}\\ \text {lumen}\\\hline\\ \text {Cell motility}\\\hline \end{array}\begin{array}{l|}\hline \text { Microfilaments (actin}\\ \text { filaments) }\\\hline \text { Two intertwined strands}\\ \text { of actin, each a polymer }\\ \text { of actin subunits}\\\hline\\ \text { \( 7 \mathrm{~nm} \) }\\\hline\\ \text { Cell motility}\\\hline \end{array}\begin{array}{l|}\hline \text {Intermediate}\\ \text {filaments}\\\hline \text {Fibrous proteins }\\ \text {supercoiled into}\\ \text { thicker cables}\\\hline\\ \text {8-12nm}\\\hline\\ \text {Anchorage}\\\hline\end{array}\end{array}$

-Which of the following relationships between cell structures and their respective functions is correct?

• A)cell wall: support, protection
• B)chloroplasts: chief sites of cellular respiration
• C)chromosomes: cytoskeleton of the nucleus
• D)ribosomes: secretion
• E)lysosomes: formation of ATP

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Definitions:

Preconventional

A stage in Kohlberg's moral development theory characterized by the individual's reasoning based on personal consequences rather than societal rules or conventions.

Formal Operational

The final stage in Piaget's cognitive development theory, characterized by the ability to think abstractly, reason logically, and manage problems systematically.

Egocentrism

A cognitive characteristic where an individual is unable to distinguish between their own perspective and that of others, often seen in early childhood development.

Pretend Play

A form of play among children where they imitate roles and activities of people around them or characters from stories, as a way to make sense of the world.