General biology

36 flashcards · Other · by kandace lipscomb

1. What are the big 5 in bio

   organization, information, energy and matter, interactions, and evolution

2. What is the chain of organization

   Organs, tissues, cells

3. Why is information so important

   Because it needs to be passed on so cells can use it during cell division

4. What is the transformation of energy and matter

   input of energy from the sun and the transformation of energy from 1 to another

5. What is an example of interaction

   eating

6. What is an example of a positive feedback loop

   cancer

7. What is a positive feedback loop

   end product speeds up its own production

8. What is a negative feedback loop

   response reduces initial stimulus

9. What is an example of a negative feedback loop

   eating too much

10. A positive feedback loop is common. T or F

    False it is not common

11. What is evolution

    natural selection

12. What is matter

    Anything that takes up space and has mass or weight

13. What is an element

    a substance that cannot be broken down to other substances by chemical reactions

14. What is a compound

    a substance containing 2 atoms in a fixed ratio

15. _____,_____,and _______ make up 96%of living matter

    carbon, hydrogen, oxygen

16. What are trace elements

    elements needed in small amounts

17. What are some trace elements

    Zinc and Boron

18. What is special about atoms

    smallest thing that retains original properties

19. what are the 3 types of subatomic particle

    electron, neutron, proton

20. What is a neutron

    atom with no charge

21. What is a proton

    atom with positive charge

22. What is an electron

    atom with negative charge

23. What is in the atomic nucleus

    protons and neutrons

24. Where are electrons in the nucleus

    electron cloud

25. what are daltons

    unit used to measure neutron and proton mass

26. What is atomic number equal to

    mass number

27. Why is it important to know the number of electrons

    it determines the chemical behavior

28. What is a chemical bond

    the share or transfer of valence electrons

29. List the chain from biggest to smallest (6)

    organism, matter, elements, atom, subatomic particles, central nucleus

30. What are the 4 kinds of bonds

    hydrophobic, hydrogen, vander der waals interaction, covalent

31. What are the weaker bonds

    hydrophobic, van der waals interaction, hydrogen

32. What is the strongest bond

    covalent

33. What is the weakest bond

    Van Der Waals interaction

34. What is a molecule

    2 or more atoms covalent bond

35. What is a single bond

    sharing of one pair of valence electrons

36. What is a double bond

    sharing of 2