PRACTICE SEMESTER TEST- Biology I
Write answers on a piece of paper then check at the end OR open two internet windows and keep checking answers at the bottom as you go.

 

Intro to Biology
Chapters 1 & 2  

1.  ____________________ would be an example of an autotroph. 

 

2.  A water molecule is said to be ___________ because it has an uneven pattern of charge on it.

      polar           non-polar           Organic           unicellular

 

  
Image by Riedell
3. This molecule is a(n) ____________________.

4. This molecule could be joined with others like it to make a
       ______________________.

  

5. The proteins with sugars attached that help cells to "recognize self" are called ________________________

 

6. Which part of this phospholipid molecule is POLAR?

                         A                 B

7.  DNA and RNA are ___________________
        A. carbohydrates
        B. nucleic acids
        C. lipids
        D. proteins

Cell Structure and Transport
Chapter 7

8.  What does a lysosome do?

9.  Which of these organelles is missing in bacteria?
        cell membrane
        nuclear membrane
        cell wall
        ribosomes

10. Cells with NO nuclear membrane or membrane bound organelles are called _____________________

           prokaryotes                  eukaryotes

 

11.  The function of this organelle is 
 to ________________________

 

 

12. Name the membrane proteins that help water molecules cross cell membranes.

 

13.  This diagram shows an animal cell placed in a solution. Black dots represent solute molecules.
       The cell in this picture is in a _______tonic  solution.

14. What will happen to the cell above?
        It will shrink
        It will swell and explode
        It will stay the same size

15. The swelling and bursting of an animal cell in a hypotonic solution is called _______________

 

16.  What keeps a plant cell from swelling and bursting?

 


MITOSIS/MEIOSIS
Chapter 10 & 11-4

  17.  This cell is in ____________.

interphase    anaphase    prophase     metaphase    telophase

 

18.  The area of an animal cell membrane that  pinches in during cytokinesis the ___________________.

 

19.  The phase of the cell cycle which follows G1 phase is

            S            M            C            G2

 

20. Which phase of mitosis could also be called "reverse prophase"?

21. Plant cells undergo cytokinesis by forming a _______________ instead of a cleavage furrow.

22. Type of cell division that produces 2 identical diploid cells.

23. Sperm and eggs are _____________ cells       DIPLOID     HAPLOID

24. Synapsis, crossing over, and independent assortment are seen in which type of cell division?

Genetics
Chapter 11

25. Tall (T) peas are dominant over short (t) peas. 
If you cross homozygous tall peas with homozygous short peas, what percent of the offspring will be short?

        none         25%        50%        100%

 

26. The "way an organism looks" is its ________________

            genotype             phenotype

27. Crossing a PURE RED flowered plant with a PURE WHITE flowered plant and getting ALL PINK flowered offspring is a example of _________________ 

        Codominance
        Complete dominance
        Incomplete dominance

 

Human genetics
Chapter 14


28. The person above has which genetic disorder? 

 

29. Persons with ____________________ can NOT make the protein that helps blood to clot.

        

30. The diagram above that is used to show how traits are passed on is called a _________________.

 31. _______________ is an example of an X-linked recessive disorder.
        Huntington's
        hemophilia
        cystic fibrosis
        Down syndrome

32. Persons who are heterozygous for sickle cell disease have a resistance to which other disease?

 

DNA, RNA, and PROTEINS
Chapter 12

        

33. Name the mutation shown in the picture at the left.



Codon wheel from:
BIOLOGY by Miller and Levine; Prentice Hall Publishing©2006
34. Tell the amino acid sequence coded for by this mRNA 

      U A C G C A G G U



Image from:
BIOLOGY by Miller and Levine; Prentice Hall Publishing©2006

35. What do we call the small pieces of DNA that are edited out of the mRNA message before it is expressed?

 

 

 

36. Making an RNA message from a sequence of DNA is called _________________

37. Tell the kind of RNA that has an ANTICODON region and is attached to an amino acid.

38. Name this subunit used to make nucleic acids.

 

39. If you were using this to make DNA
what kind of sugar would be in the sugar spot?

40. Another name for protein synthesis is _______________________

 


©Pearson Education Inc; Publishing as Pearson Prentice Hall; 
41. E = ?

42. F = ?

43. G = ?

 

CHECK YOUR ANSWERS :

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS

1. green plant
2. polar
3. amino acid
4. protein
5. glycoproteins
6. A- the head is polar
7. DNA & RNA are nucleic acids
8. contain digestive enzymes
9. nuclear membrane
10. prokaryotes
11. burn glucose and store energy as ATP
12. aquaporins
13. HYPERtonic
14. It will shrink
15. cytolysis
16. cell wall is sturdy
17. metaphase
18. cleavage furrow
19. S
20. telophase is reverse prophase
21. cell plate
22. mitosis
23. haploid
24. meiosis
25. none will be short/100% will be tall 
26. phenotype
27. incomplete dominance
28. Down's syndrome
29. hemophilia
30. pedigree chart
31. hemophilia is X-linked
32. malaria
33. deletion
34. tyrosine-alanine-glycine
35. introns
36. transcription
37. transfer RNA  or t-RNA
38. nucleotide
39. deoxyribose
40. translation
41. anticodon
42. codon
43. amino acid

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