The Presence of Which Feature Is the First Step to Being

question 32

Multiple Choice

The presence of which feature is the first step to being classified in domain Eukarya?

• A) membrane-bound nucleus
• B) ribosomes
• C) cell wall
• D) chloroplast
• E) mitochondria Eukaryotic organisms are classified as such due to the presence of a membrane-bound nucleus. Most of the other features listed here can be found in members of domain Bacteria and domain Archaea as well as domain Eukarya. However, mitochondria and chloroplasts are not traits shared by the prokaryotic domains.

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Definitions:

Maintain Weight

The process of keeping one's body weight steady, without significant gains or losses, over time.

Fat Cells

Cells specialized in storing energy in the form of fat, also known as adipocytes, playing key roles in metabolism, hormone regulation, and insulation.

Set Point

A theory suggesting that the body regulates its own weight around an internally set number, making it difficult to permanently change weight significantly.

Metabolic Rate

The rate at which the body uses energy to maintain basic life functions such as breathing, circulating blood, and cell production.