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
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