Which
of the following descriptions is incorrect? ( )
A: Under
the condition of usual diet, body mainly produces acid substances
B: The
salts of organic acid contained in vegetables and fruits are the main
source of fix acid
C: Ammonia
produced by metabolism is alkali (base)
D: The
more protein one ingests, the more fix acid is produced
E: Ketone
body includes volatile component
of the following descriptions is incorrect? ( )
A: Under
the condition of usual diet, body mainly produces acid substances
B: The
salts of organic acid contained in vegetables and fruits are the main
source of fix acid
C: Ammonia
produced by metabolism is alkali (base)
D: The
more protein one ingests, the more fix acid is produced
E: Ketone
body includes volatile component
B
举一反三
- What<br/>about inserting a base into the coding region of a gene?() A: No<br/>impact B: It<br/>will change all amino acid sequences of the protein downstream of the<br/>insertion point C: Depending<br/>on the insertion point, it may have different effects on the protein D: An<br/>amino acid will be inserted into the protein sequence E: Three<br/>amino acids will be inserted into the protein sequence
- The spacial conformation of protein is mainly determined by: () A: the<br/>sequence of amino acid B: α-helix<br/>and β-pleated sheets C: the<br/>side chain of amino acid in the peptide D: peptide<br/>bond in the peptide chain E: the<br/>location of disulfide bond in the peptide chain
- Which<br/>of the following virus structure is derived from host cell membranes() A: nucleic<br/>acid B: capsid<br/>protein C: lipid<br/>bilayer D: sugar<br/>in spikes E: protein<br/>in spikes
- Which<br/>of the following is NOT the consequence of air pollution () A: Earthquake B: Haze<br/>and smoke C: Acid<br/>rain D: Greenhouse<br/>effect
- Which<br/>bacterium will be observed with acid fast stain () A: Escherichia coli B: Mycobacterium tuberculosis C: Streptococcus<br/>pneumoniae D: Staphylococcus <br/>aureus
内容
- 0
Whichone<br/>is<br/>the essential amino acid?() A: glycine B: methionine C: tyrosine D: Glutamine
- 1
Which<br/>is the formula for the hydrofluoric acid? ( ) A: HCl B: HAc C: HNO3 D: HF
- 2
The<br/>situation of AB>SB<br/>means ( ) A: HCO3-<br/>retention B: Excessive<br/>HCO3- excretion C: CO2<br/>retention D: Excessive<br/>CO2 expiration E: Fixed<br/>acid retention
- 3
事务是并发控制的基本单位,保证事务的ACID特性是事务处理的重要任务,而事务的ACID特性可能遭到破坏的原因之一是多个事务对数据库的并发操作造成的。这些并发操作会带来数据的不一致性,包括( )。 [br][/br] [br][/br]____[br][/br] [br][/br]____[br][/br] [br][/br]____[br][/br] [br][/br]____[br][/br]____
- 4
Which<br/>of the following is the direct energy material for movement?() A: glucose B: fatty acid C: ATP D: GTP E: creatine phosphate