The answer to the biology test.

Volume 1 (multiple choice questions ***50 points)

First, multiple-choice questions (1-30 questions, each question 1 point; 3 1-35 questions, 2 points for each question; ***40 points. Of the four options in each question, only one option meets the meaning of the question. )

1-5 baccd 6- 10 dbcd 1 1- 15 ddbdc 16-20 aadac 2 1-25 babbd 26-30 cdbcd

3 1-35DCAAB

Second, the multiple choice questions (including 6 questions, ***60 points)

36. (Per grid 1 min, ***7 points)

(1) dehydration and condensation 1320

(2) Spatial structure (or amino acid type or amino acid sequence or amino acid number)

(3) Department of Veterans Affairs

(4) catalytic function, transport carrier, cell structure substance and information transmission function (any two can be scored)

(5) It has not changed (or been destroyed)

37. (2 points for each blank, *** 14 points)

( 1)①③④⑤

(2) ②→→→→→→→→→→ ④ Structure and function decompose aging and damaged organelles.

(3) The recognition and combination of protein A and protein B control the entry and exit of substances (or information exchange).

(4) Processing, classification and packaging in protein.

38. (Per grid 1 min, ***8 points)

(1) The concentration of alcohol used to treat the inner epidermis of onion is different.

(2) the selective permeability of water loss (or the ability to control the entry and exit of substances)

(3) All colorless red blood cells are red.

(4) Anaerobic breath alcohol is toxic to cells.

39. (2 points for each blank, *** 16 points)

(1) The site where DNA RNA polymerase recognizes and binds (or drives transcription of target gene) A.

(2) ampicillin

(3) dedifferentiation and redifferentiation in plant tissue culture

(4) the fluorescence intensity of 4)RNA (or the presence or absence of fluorescence)

40. (per space 1 point, *** 10 point)

(1) during the second meiosis (or in M Ⅱ)

(2) Cell membrane has certain fluidity.

(3) O2 in 95% air and 5% CO2 air is necessary for cell metabolism to maintain the pH of culture medium.

(4) B nucleus is in estrus synchronization.

(5) embryo segmentation blastocyst (or morula)

4 1. (per grid 1 min, ***5 points)

(1) Secondary shrubs are taller than herbs and are in an advantage in the competition for sunlight.

(2) Coordinating and balancing salt and alkali resistance, sea breeze resistance and barren resistance (write 1 score)

(3) Integrity