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Questions and Answers

What is the function of insulin in the human body?

  • To produce red blood cells
  • To transport oxygen to the tissues
  • To break down carbohydrates
  • To regulate blood sugar levels (correct)

Which of the following is NOT a type of bonding?

  • Hydrogen bonding
  • Covalent bonding
  • Ionic bonding
  • Gravitational bonding (correct)

What is the primary function of the respiratory system?

  • To break down food
  • To transport oxygen and carbon dioxide (correct)
  • To produce hormones
  • To filter waste products

In a eukaryotic cell, where is ATP produced?

<p>Mitochondria (A)</p> Signup and view all the answers

Which of the following processes describes the movement of water across a semipermeable membrane from a region of high concentration to a region of low concentration?

<p>Osmosis (D)</p> Signup and view all the answers

What is the difference between a prokaryotic cell and a eukaryotic cell?

<p>Eukaryotic cells have a nucleus, prokaryotic cells do not. (A)</p> Signup and view all the answers

Which of the following is an example of a heterogeneous mixture?

<p>Sand and water (D)</p> Signup and view all the answers

Which of the following describes the process of evolution?

<p>All of the above (D)</p> Signup and view all the answers

Flashcards

Structure of DNA

DNA is a double helix made of nucleotides, each containing a sugar, phosphate group, and nitrogenous base.

Mitosis

Mitosis is the process of cell division that results in two identical daughter cells.

Eukaryotic vs. Prokaryotic Cells

Eukaryotic cells have a nucleus and organelles; prokaryotic cells lack a nucleus.

Role of ATP

ATP is the energy currency of cells, providing energy for various cellular processes.

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Osmosis

Osmosis is the movement of water across a semi-permeable membrane from low to high solute concentration.

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Function of Insulin

Insulin regulates blood sugar levels by facilitating glucose uptake into cells.

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Photosynthesis Process

Photosynthesis is the process by which plants convert light energy, usually from the sun, into chemical energy (glucose).

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Types of Muscle

There are three types of muscle: skeletal (voluntary), cardiac (involuntary heart), and smooth (involuntary organs).

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Study Notes

DNA and Chromosomes

  • Describe the structure and components of DNA
  • Describe the structure of sex chromosomes
  • Define mitosis, meiosis, mutation, non-disjunction

Atoms and Bonding

  • Describe the parts of an atom and electron movement
  • Describe different types of bonding
  • Describe an element

Chemistry Concepts

  • Define science
  • Define biology
  • Define hypothesis
  • Different types of chemistry
  • Define acidity, basicity
  • Define eukaryotic and prokaryotic cells
  • Define ATP function
  • Filtration, diffusion, osmosis, active transport
  • Define reactant, solution, precipitate, product, compound, chemical reaction
  • Homogeneous and heterogeneous mixtures
  • Define evolution
  • Hydrogen bonding to form water, carbon dioxide, carbon monoxide
  • Define mass, weight, density, solid, liquid, gas, matter, mixture
  • Describe bacteria and viruses
  • Animal cell anatomy

Human Body Systems

  • Organization of biological structures (smallest to largest)
  • Skeletal, muscular, respiratory, cardiovascular, immune, integumentary, endocrine, nervous, reproductive, digestive systems function
  • Cardiovascular system anatomy and blood flow
  • Blood components (parts of blood, types of blood cells)
  • Types of muscle
  • Insulin function
  • Fertilization, ovulation, menstruation
  • Nose, mouth, hair, nails anatomy and function

Plant Structure and Function

  • Plant categories
  • Water uptake process by plants
  • Air exchange in a leaf
  • Plant cell structure and function
  • Cellulose function
  • Plant pollination
  • Photosynthesis and respiration processes
  • Ecosystem description

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