Which statement best defines a cell?

A, an independent functional unit of life
B, a crystal-like structure that exists in all living things
C, the smallest organelle of all living organisms
D, the basic unit of structure and function in all living things

Answer:

Earthquaques

Explanation:

Crustal plates are extremely heavy and thus impose tremendous pressure on adjacent plates, however they don't immediately slide past each other. Rather, tension is built up as time progresses and the pressure continues, until it is released and the plates slide rather abruptly to find their new position. The process starts over again because the plates do not stop moving. The internal heat in the core of the planet fuels their movement.

Class, order, and family are also major levels of classification. Therefore, options A, B, and C are correct.

Classifying living things entails grouping several species according to traits they have in common. The term used to describe the classification of living things is taxonomy. Beginning at the most general level and working its way down to the most specific, the taxonomy of living things.

To study live organisms conveniently, classification is required. It is vital to understand the many types of organisms. It facilitates the accurate identification of different organisms. Understanding the history and evolution of organisms is useful.

Kingdom, phylum, class, order, family, genus, and species are levels of classification. Hence, options A, B, and C are correct.

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Rosalind Franklin, through her work with X-ray diffraction images, significantly contributed to the understanding of DNA structure. Watson and Crick used her data in their discovery, receiving a Nobel Prize which Franklin, already deceased, did not share.

British chemist Rosalind Franklin made significant contributions to the discovery of the structure of DNA. Her work in measuring X-ray diffraction images of DNA provided crucial information, specifically the concept of 'A' and 'B' forms of DNA. However, the recognition she deserved was largely taken by James Watson and Francis Crick, who used her data to confirm that DNA forms a double helix.

James Watson, Francis Crick, and Maurice Wilkins were awarded the Nobel Prize in Physiology or Medicine in 1962 for this discovery. Unfortunately, Rosalind Franklin had died by then, and Nobel prizes were not awarded posthumously. Despite this, her contribution to the discovery remains invaluable and fundamental to our understanding of DNA structure.

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Lysosomes, peroxisomes, and the endoplasmic reticulum are organelles responsible for removing harmful substances in a cell.

The organelles responsible for removing harmful substances in a cell are:

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It is a Streak test.

Answer:

C: Exoskeleton Shedding.

Explanation:

Took the test.

Answer:

Phosphorus

Explanation:

Tropical rainforests are found in the world’s hottest and wettest areas, namely those closest to the equator. The world’s largest tropical rainforests are in Amazon basin in South America, lowland regions in Africa, and the islands off of Southeast Asia. While they are found in abundant in Sumatra and New Guinea, small areas are also found in Central America and parts of Australia.

Answer:

"Amoebas, paramecia, and euglena are all considered eukaryotic cells because they contain membrane-bound organelles which include a defined nucleus.''

Explanation:

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Euglena is considered a eukaryote because of its complex internal structure, including organelles similar to those in multicellular organisms. Its characteristics like motility and photosynthesis have led to a complex taxonomical classification within the Euglenozoa group, and its phylogeny suggests it is an early-diverging eukaryote.

A euglena is a unicellular organism that is classified as a eukaryote because it has a complex internal structure similar to that of multicellular eukaryotes such as plants and animals. Euglena exhibits features like a contractile vacuole for expelling excess water, an eyespot that is sensitive to light, and chloroplasts for photosynthesis. It also has a pellicle which provides some rigidity and allows for movement by changing its shape. Despite being unicellular, euglena have a high degree of internal organization with organelles that perform functions analogous to organs in multicellular organisms.

The group they belong to, the Euglenozoa, demonstrates characteristics that have historically led to confusion in classification, with some members performing photosynthesis (like plants) while being motile and heterotrophic (like animals). Taxonomical and phylogenetic studies position euglena as early-diverging eukaryotes, making them part of a small group of distinctive unicellular organisms. Their flexibility and motility, associated with their lack of a rigid cell wall, are hallmarks of their eukaryotic nature.

Answer:

X-ray diffraction

Explanation:

Maurice Wilkins studied the structure of DNA using X-ray diffraction, also validating the work done by Watson and Crick on the structure of DNA.

Bonds between atoms are broken and new bonds are formed of the following occurs when substances undergo chemical changes.

Chemical synthesis, or, alternatively, chemical breakdown into two or more separate molecules, occurs when one material reacts with another to create a new substance.

These processes are referred to as chemical reactions, and they are typically irreversible barring additional chemical reactions. Exothermic processes are those that generate heat; endothermic reactions, on the other hand, are those that may need heat in order to proceed.

The science of chemistry places a lot of emphasis on comprehending chemical changes.

Therefore, Bonds between atoms are broken and new bonds are formed of the following occurs when substances undergo chemical changes.

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To establish a law-making body on an island with 400 individuals, one could create a bicameral representative legislature with members serving two-year terms, chosen through democratic elections.

When establishing a law-making body on a deserted island with 400 individuals, it would be prudent to create a representative form of government inspired by the literature on the subject, such as Daniel Elazar's theory and John Locke's social contract theory. The number of members in our legislature could be based on the principle that as the population grows, the number of representatives should increase, ensuring that the interests of all parts of the community are properly attended to. A bicameral legislature might be more suitable, dividing the law-making body into two houses to balance the representation of different groups.

Members could serve terms of two years to ensure that they remain accountable to the electorate and reflect the community's current interests. They would be chosen through democratic elections wherein all members of the community have the right to vote. The responsibilities of this legislative body would include making laws designed for the common good, ensuring fair taxation, and serving as the main body where government power, especially regarding lawmaking, resides. Engaging the community in regularly scheduled elections would follow the principles both Locke and Elazar highlighted, promoting the values of freedom, security, and the representation of the diverse interests of the island inhabitants.

Answer:

The process of photosynthesis is considered as a bridge between the non living and living world because the substrate which is used in this process is non living and the plants that convert this into useful product is a living thing.

The carbohydrates that is produced by the plants body is used by the plants and animals which is also living thing.

The oxygen which is produced as a by-product is also used by the plant and animals and they are also living components of life.

Hence, it acts as a bridge between the living and non living components of life.

In a dictionary, the word 'mark' would not be present on a page with the guide words 'manage' and 'massive' as it does not fit alphabetically between the two.

The guide words on a dictionary page give you the first and last word on that page. Therefore, any word that fits alphabetically between the two guide words should be on that page. Looking at the guide words 'manage' and 'massive', all words beginning with 'ma-' and alphabetical order between 'manage' and 'massive' will be included. Thus, the word that will NOT be on the page is 'mark'.

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