The MOST accurate way to determine the evolutionary relationship between two animals is through the examination of

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Answer 1

Answer: The most accurate way to determine the evolutionaryrelationship between two animals is through the examination of their notochordsor their nervous system which primarily consists of the animal’s brain andspinal chord. Through this, one can know how primitive or how well-developed anorganism is according to e.g. brain size and functions.

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What is the best description of what viruses are made of?a. protein and RNA
b. carbohydrates and RNA
c. protein and nucleic acids
d. carbohydrates and nucleic acids

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The answer is C.

A virus is made up of or consists of a nucleic acid in varying quantity which may either be RNA or DNA.

The nucleic acid is surrounded by a protein shell called a capsid. The word capsid comes from the Latin word capsa which means box.The capsid and the nucleic acid within it are together referred to as nucleoprotein.The capsid is made up of small sub units called capsomeres.

In many viruses, the nucleoprotein makes up the whole virus. More complex viruses have one or more further enclosing structures also made mostly of protein. These structures are referred to as envelopes and each envelop is specific to a particular virus.

c. protein and nucleic acids

HelpWhich of the following molecules are NOT considered electron shuttles? oxygen NADPH FADH2 all of these are electron shuttles none off these are electron shuttles

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Answer:

oxygen is not considered one i just had a exam today i got this right

Explanation:

there are distinct differences and similarities between prokaryotes and eukaryotes; the similarities are

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The similarities are...
- they both have DNA chromosomes (although prokaryotes have DNA chromosomes in the form of a single stranded loop and eukaryotes have DNA chromosomes that are linear and thread like)
- they both have ribosomes (although ribosomes in prokaryotes are scattered in the cytoplasm and ribosomes in eukaryotes are either attached to the rough ER or free in the cytoplasm)
- they both have cell membranes
- some prokaryotes (bacteria) and some eukaryotes (fungi, plants and some protists) have cell walls

How does an increase in the annual melt season in Antarctica have a global effect? a. It causes an increase in heat related illness and death. b. It causes the global concentration of carbon dioxide to decrease. c. The water in the melting glaciers can cause sea levels to rise. d. None of the above is true.

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The correct answer is option "C"

The water in the melting glaciers can cause sea levels to rise.

The increase in annual melt season indicates a prolonged melting (hot) season which is primarily due to the impact of global warming. Global warming is increasing the highest temperature mark in the hot seasons on the planet which is adversely affecting the polar regions of earth. The ice in these Polar Regions has started melting. This ice when converted into liquid form flows through regions to reach sea and oceans and thus causes the rising of sea level

c. The water in the melting glaciers can cause sea levels to rise.

Larry moved from Chicago to Atlanta. For the first two years he lived there he had no allergies in the spring. Then, in the third year, he had very bad allergic reactions to spring pollens. What is the most likely explanation for this delayed effect?

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This might have been the cause of not being exposed to this specific pollen during his years in Chicago. Allergic reactions can develop when the stimuli presented even when its not contagious causes the immune system to trigger and act in a defensive stance. This delayed effect may have been the cause of the sudden expression of the immune system.

Answer:

The answer is c) his body had built up enough antibodies to cause the allergy symptoms. took the test on usa test prep.

The Sahel region of Africa, just south of the Sahara, consists mostly of which biome?a. savanna
b. tundra
c. forest
d. desert

Answers

d. desert
remember the sahara desert?

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