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General Biology 2_3rd Quarter Review: Recombinant DNA and Stem Cells

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General Biology 2_3rd Quarter Review: Recombinant DNA and Stem Cells

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Questions and Answers

According to the passage, which of the following did Darwin not know at the time he observed individual variations in a species?

That variations occur among individuals in a population

That individuals with the most favorable variations have the best chance of reproducing

That gene existed (correct)

That evolution is a gradual process

What evidence of evolution does the passage discuss related to comparative anatomy?

Comparing similar structures in various species (correct)

Comparing the development of sea star larvae and primitive invertebrate larvae

Comparing the pelvis and leg bones of whales to those of land-dwelling animals

Comparing the characteristics of three organisms to infer their evolutionary relationship

According to the passage, what is unusual about the Venus flytrap?

It can move around

It does not have a cell wall

It cannot get nutrients from live animals (correct)

It belongs to the kingdom Plantae

What can be inferred about the relationship between the three organisms discussed in the passage?

The first two are more closely related to each other than they are to the third Signup and view all the answers

What evidence does the passage provide for the evolution of whales from land-dwelling animals?

Whales have a pelvis with small leg bones attached to it Signup and view all the answers

What does the passage state about the relationship between modern sea star larvae and primitive invertebrate larvae?

Modern sea star larvae and primitive invertebrate larvae develop heads with ciliary bands early Signup and view all the answers

Which technology directly involves the manipulation of DNA molecules?

Recombinant DNA technology Signup and view all the answers

What is the primary characteristic of stem cells?

They have the ability to renew themselves and give rise to various cell types. Signup and view all the answers

Which of the following is NOT a potential therapeutic use of embryonic stem cells mentioned in the text?

Treating genetic disorders through gene therapy Signup and view all the answers

What implication does the discovery of a moss-resistant grass have for recombinant DNA technology in agriculture?

It provides a natural source of moss-resistant genes for crop improvement. Signup and view all the answers

Which statement about prokaryotes is NOT true according to the information provided?

Complex organisms such as mammals did not evolve from prokaryotes. Signup and view all the answers

According to the information provided, in which geographical location does genetic drift occur more rapidly?

Mainland Signup and view all the answers