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A eukaryotic cell is composed of carbohydrates, lipids, and proteins but lacks nucleic acids.

A) True
B) False

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How do DNA and RNA differ in structure and function?

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DNA and RNA differ in structure and func...

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The DNA base adenine always pairs with which other DNA base?


A) Guanine
B) Thymine
C) Cytosine
D) Uracil
E) Mitochondria

F) C) and D)
G) A) and E)

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The progress made in genetics by the Human Genome Project is significant. What was the goal of the project and what is the potential for anthropologists, given that the genomes of other species are being studied?

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The goal of the Human Genome Project was to map and sequence all of the genes in the human genome in order to understand their function and how they contribute to human health and disease. This project has significantly advanced our understanding of genetics and has led to the development of new technologies and treatments for a wide range of genetic disorders. For anthropologists, the potential of studying the genomes of other species is immense. By comparing the genomes of different species, anthropologists can gain insights into the evolutionary relationships between humans and other organisms. This can help us understand the genetic basis for human traits and behaviors, as well as provide valuable information about our shared history with other species. Additionally, studying the genomes of other species can also help us understand the genetic diversity and adaptation of different populations, including our own. Overall, the progress made in genetics by the Human Genome Project has opened up new opportunities for anthropologists to explore the genetic basis of human evolution and diversity.

Compare and contrast the processes and end products of mitosis and meiosis.

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Mitosis and meiosis are both processes o...

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Which of the following statements is false?


A) Nondisjunction occurs when homologous chromosomes fail to separate.
B) Nondisjunction occurs when strands of the same chromosome fail to separate.
C) Nondisjunction can result in a daughter cell with an extra chromosome.
D) Nondisjunction can result in a daughter cell completely lacking a chromosome.
E) Nondisjunction occurs only in mitosis.

F) B) and C)
G) A) and E)

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Regulatory genes produce enzymes and other proteins that either switch on or turn off other segments of DNA.

A) True
B) False

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The cell nucleus


A) is the same thing as the cytoplasm
B) is not distinct from the cytoplasm
C) contains only X and Y chromosomes
D) is made up of ribosomes
E) contains genetic information

F) A) and B)
G) A) and E)

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Which of the following produces genetic variation in populations?


A) mitosis
B) meiosis
C) nondisjunction
D) replication
E) recombination

F) None of the above
G) B) and E)

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What is the name for DNA segments transcribed into mRNA and coded for specific amino acids?


A) exons
B) codons
C) mutons
D) alleles
E) proteins

F) A) and D)
G) A) and C)

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Humans and chimpanzees share about 98 percent of their DNA. What might be the role of regulatory genes in producing the anatomical differences between these two lineages?

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Regulatory genes play a crucial role in ...

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The process of translation during protein synthesis occurs at the ribosomes.

A) True
B) False

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What is the evolutionary significance of meiosis?

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Meiosis is a type of cell division that ...

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The structure of DNA can be described as a triple helix.

A) True
B) False

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The discovery of the structure of DNA dates back to the late 1700s.

A) True
B) False

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The Human Genome Project was successfully completed in 1952.

A) True
B) False

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False

Which of the following statements is true of mitosis?


A) The process requires only one cell division to be complete.
B) There are two cell divisions before the process is complete.
C) The result is gamete formation.
D) Crossing-over occurs between homologous chromosomes.
E) Homologous chromosomes come together as pairs.

F) B) and D)
G) A) and E)

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How many chromosomes occur in a normal human somatic cell?


A) 44
B) 48
C) 46
D) 53
E) 50

F) A) and B)
G) None of the above

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Mitochondrial DNA has the same molecular structure and function as nuclear DNA found in the nucleus.

A) True
B) False

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The result of nondisjunction is that NONE of the daughter cells will receive any chromosomes.

A) True
B) False

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