A.采用平板划线法和稀释涂布平板法均可分离酵母菌 |
B.可用湿热灭菌法对培养酵母菌的马铃薯琼脂培养基进行灭菌 |
C.通过接种环连续蘸取菌液在固体培养基表面划线的操作,可将菌种逐步稀释 |
D.完成平板划线后,待菌液被培养基吸收,再将接种后的平板进行培养 |

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

