Scientists Hypothesize That Nonliving Protocells Developed as a Precursor to Living

question 164

Multiple Choice

Scientists hypothesize that nonliving protocells developed as a precursor to living cells.Which statement can best be used as evidence to support this hypothesis?

• A) Both l- and d-isomers of amino acids were shown to be able to diffuse through the membranes of protocells synthesized in a lab.
• B) The same fatty acids found in the membranes of living organisms are capable of being used to synthesize protocells that have an internal space filled with water.
• C) Simple fatty acids shown to be synthesized in primitive Earth simulation experiments are able to self-assemble into protocell structures when placed in water.
• D) Lab experiments showed that nucleic acids in the interior of the protocells replicated themselves using nucleotides supplied in the medium surrounding the protocells.
• E) Some metabolic reactions that take place in modern cells can also take place in the interiors of protocells synthesized in a lab.

Understand the characteristics and social implications of learning disabilities.

Identify and differentiate between various learning disabilities such as dyslexia and ADHD.

Recognize remediation and accommodation strategies for managing learning disabilities.

Understand the genetic and neurobiological factors associated with dyslexia.

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Definitions:

Metaphorical

Pertaining to or characterized by metaphor; using figures of speech that imply a comparison between unlike entities.

Literal

Pertains to the exact meaning of words or texts, without interpretation or exaggeration.

Ironic

Describing situations that are the opposite of what is expected, often in a humorous or poignant manner.

Nonsensical

describes something that is illogical, absurd, or makes no sense.