专业英语

一、词语搭配

1、polysome (g)RNA and ribosomes

2、pinocytosis (n)cell drinking

3、exocytosis (k)expel

4、plastid (i)in plants only

5、Golgi complex (o)packaging

6、flagella (m)whiplike

7、phagocytosis (f)engulfment 8、lysosome (b)baglike structure 9、basal body (d)where flagella grow 10、vacuole (l)vacant

11、nucleus (j)control room

12、chemotactic (e)toward or away from a chemical stimulus

13、ribosome (a)protein synthesis 14、cytoskeleton (h)weblike

15、mitochondrion (c)power generator 16、C3 plant (e)moist climates 17、pigment (n)absorbs 18、light reactions (g)water oxidized 19、thylakoid (a)surrounds a lumen 20、ground state (o)most stable

21、reaction center (j)a specific site

22、photorespiration (l)inefficient dark reaction

23、RuBP (d)electron acceptor for CO2

24、Calvin-Benson cycle (c)light-independent reactions

25、C4 plant (m)dry climates 26、photon (h)wave and particle 27、chlorophyll (b)principal pigment 28、chloroplast (k) banana shape

29、carbon cycle (i) greenhouse effect

30、light-independent reactions (f)light optional

二、判断

1、F Unlike other cell membranes, the nuclear envelope has no pores.

2、T Most cellular proteins are manufactured on ribosomes.

3、T White blood cells work by phagocytosis.

4、F Prokaryotic cells have microbodies.

5、T Mitochondria are self-replicating.

6、F Carotenoids are colorless molecules.

7、F Grana are surrounded by stomata.

8、F Photosynthesis occurs in all living thing.

9、T Photon energy is inversely proportional to wavelength.

10、F The reaction center in photosystem II is P700

11、F Chlorophyll b is not found in any prokaryote.

12、T Cyclic photophosphorylation produces additional ATP in plants.

13、F The chemiosmotic theory applies to mitochondria but not to chloroplasts.

14、T Light-dependent reactions take place in the chloroplast stroma.

15、T The Calvin-Benson cycle may take place either in light or in the dark.

16、T Light-independent reactions take place in the thylakoid membrane.

17、T C3 plants grow slowly in hot, dry weather.

18、T Chlorophyll a is the primary photosynthetic pigment in green plants.

三、多选一

1、Ribosomes (a)

a、are organelles involved in protein synthesis

2、Transformation of energy and storage of energy in the cell are the main

function of (d)

d、mitochondria

3、Chromoplasts are a type of (d)

d、plastid

4、Each individual cell is supported by a network of filaments and tubules known as (d)

d、a cytoskeleton

5、Proteins synthesized on endoplasmic reticulum are modified (c)

c、in the Golgi complex

6、An organelle isolated from an animal cell is found to contain large number of enzymes involved in energy transformation. This organelle is most likely to be (c)

c、a mitochondrion

7、In the early 1900s the discovery that the nucleus contains nucleic acids and proteins led many scientists to believe that (d)

d、genes are made of protein

8、In the DNA molecule (e)

e、all of the above

9、The double helix model of DNA structure was proposed by (b)

b、Watson and Tatum

10、The phosphate group in the DNA molecule (b)

b、links the 5-C sugar of one nucleotide to the 3-C sugar of the next nucleotide

11、DNA replication is termed semiconservative because (d)

d、each new molecule has one strand from the original molecule

12、Energy to power the sperm flagellum is generated by (a)

a、mitochondria

13、Meiosis is completed in egg cells (e)

e、the egg,s time of release

14、Spontaneous development of an unfertilized egg is known as (d)

d、parthenogenesis

15、The end product of cleavage is a (c)

c、blastula

16、A cell that can only give rise to cells with a specific function is（b）

b、differentiated

17、Morphogenesis involves a change in (c)

c、cell shape

四、阅读理解

1、What does the passage mainly discuss?

B、Why birds migrate

2、According to the passage, which of the following protects birds against cold weather?

C、Feathers

3、In paragraph one, the word “constant” is closest in meaning to which of the following?