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Biology 171 Test (CH 1-5)/46 Questions and Answers 2024
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Biology 171 Test (CH 1-5)/46 Questions and Answers 2024
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Biology 171 Test (CH 1-5)/46Questions and Answers 2024
Which of the following statements about cells is correct?
Single cells cannot exist
Cells are limited in size, which is between 200 to 500 micrometers in
diameter.
Some cells are non-living in nature.
Both prokaryotic and eukaryotic organisms are made up of cells. - -Both
prokaryotic and eukaryotic organisms are made up of cells.
- A cell lacking which of the following structures is most likely to be a
prokaryote?
Nuclear membrane
Cell membrane
Cytoplasm
Nucleic acid - -Nuclear membrane
- To understand the chemical basis of inheritance, we must understand the
molecular structure of DNA. This is an example of the application of which
concept to the study of biology?
evolution
emergent properties
reductionism
feedback regulation - -reductionism
- Which of the following types of cells use deoxyribonucleic acid (DNA) as
their genetic material but do not have their DNA encased within a nuclear
envelope?
animal
plant
archaean
fungi - -archaean
- Which of the following statements is true regarding the complexity of
biological systems?
An understanding of the interactions between different components within a
living system is an approach towards understanding reductionism.
, Knowing the function of a component of a living system can provide insights
into the structure and organization of the living system.
Understanding the chemical structure of DNA reveals how it directs the
functioning of a living cell.
An ecosystem displays complex properties of the biotic component only. - -
Knowing the function of a component of a living system can provide insights
into the structure and organization of the living system.
- Apple on tree ripens ripe apple produces ethylene, ethylene signals
neighboring apples to ripen neighbor apples produce more ethylene more
apples ripen. The above process is an example of which of the following?
positive feedback regulation
negative feedback regulation
chemical cycling
emergent properties - -positive feedback regulation
- Which of the following is the correct order of organization of genetic
material from smallest to largest?
gene, nucleotide, chromosome, genome
chromosome, genome, nucleotide, gene
genome, chromosome, gene, nucleotide
nucleotide, gene, chromosome, genome - -nucleotide, gene, chromosome,
genome
- Which of the following statements about genetic information is correct?
mRNA is the only type of RNA found in a eukaryotic cell
All forms of life employ the same genetic code
A typical human liver cell has one set of chromosomes
DNA is not found in prokaryotic cells - -All forms of life employ the same
genetic code
- Which branch of biology is concerned with the naming and classifying of
organisms?
informatics
taxonomy
genomics
evolution - -taxonomy
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