BMCC Bio 425 Exam Chapter 1-4 Latest Update Graded A+
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Course
BMCC Bio 425
Institution
BMCC Bio 425
BMCC Bio 425 Exam Chapter 1-4 Latest
Update Graded A+
What is the main focus of biology as a science?
The main focus of biology is to study living organisms, their structures, functions,
interactions, and the processes that sustain life.
How do scientists ensure their findings are reliab...
BMCC Bio 425 Exam Chapter 1-4 Latest
Update Graded A+
What is the main focus of biology as a science?
✔✔The main focus of biology is to study living organisms, their structures, functions,
interactions, and the processes that sustain life.
How do scientists ensure their findings are reliable and valid?
✔✔Scientists ensure their findings are reliable and valid by using the scientific method, which
includes forming hypotheses, conducting experiments, collecting data, and analyzing results to
draw conclusions.
What is the significance of cell theory in biology?
✔✔Cell theory is significant because it establishes that all living organisms are composed of
cells, cells are the basic unit of life, and all cells arise from pre-existing cells, forming a
fundamental concept in biology.
What are the four main macromolecules essential for life?
✔✔The four main macromolecules essential for life are carbohydrates, proteins, lipids, and
nucleic acids, each playing critical roles in biological functions and structures.
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, How do hydrogen bonds contribute to water's unique properties?
✔✔Hydrogen bonds contribute to water's unique properties by allowing it to exhibit high
cohesion and adhesion, a high specific heat, and the ability to dissolve many substances, making
it vital for life.
What is the difference between prokaryotic and eukaryotic cells in terms of structure?
✔✔The difference between prokaryotic and eukaryotic cells is that prokaryotic cells lack a
nucleus and membrane-bound organelles, while eukaryotic cells contain a nucleus and various
organelles.
How do lipids serve as energy storage molecules?
✔✔Lipids serve as energy storage molecules because they contain long hydrocarbon chains,
which store energy in their chemical bonds, providing a concentrated source of energy for
organisms.
What role do ribosomes play in a cell?
✔✔Ribosomes play a crucial role in a cell by synthesizing proteins based on the instructions
encoded in messenger RNA, facilitating the translation of genetic information into functional
molecules.
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