A: It is not present in prokaryotic cells.
B: It separates the contents of the nucleus from the cytoplasm.
C: It consists of an outer nuclear membrane and an inner nuclear membrane.
D: It is continuous with the Golgi apparatus.
举一反三
- Which of the following in NOT true of the nuclear envelope? () A: The nuclear envelope is exactly like other cellular membranes. B: The nuclear envelope separates the genetic material from the cytoplasm. C: The nuclear envelope is a pair of concentric membranes. D: The nuclear envelope is studded with pores.
- Which one of the following is continuous with the nuclear envelope?() A: endoplasmic reticulum B: Golgi apparatus C: mitochondrion D: lysosome
- Choose the correct sentence below. A: First nuclear division, then cytoplasmic Division B: First, the cytoplasm is divided, then the nucleus is divided C: Simultaneous nuclear and cytoplasmic Division D: Only nuclear division
- All cells are enclosed by a plasma membrane, which separates the inside of the cell from its environment.
- If there are syllable following the nucleus (i.e. the tail), the rising pitch movement does not happen wholly on the nuclear syllable, as in the case of a fall. Rather, the syllable or syllables of the tail will continue to move upwards from the pitch of the nuclear syllable.
内容
- 0
Which of the following methods is not used by cells to regulate the amount of a protein in the cell A: Genes can be transcribed into mRNA with different efficiencies. B: Many ribosomes can bind to a single mRNA molecule. C: Proteins can be tagged with ubiquitin, marking them for degradation. D: Nuclear pore complexes can regulate the speed at which newly synthesized proteins are exported from the nucleus into the cytoplasm.
- 1
The main functions of Golgi apparatus are the synthesis of all membrane lipids and proteins.
- 2
According to the opponents of nuclear energy, which of the following is TRUE of nuclear energy A: Primitive B: Exhaustible C: Cheap D: Unsafe
- 3
The myelin sheath of the peripheral nerve consists of A: Schwann cell membrane and cytoplasm B: only Schwann cell cytoplasm C: multiple layers of Schwann cell membrane D: only the lipid of Schwann cell membrane E: Schwann cell membrane and basal lamina
- 4
核苷酸 A: nucleus B: nucleon C: nuclear D: nucleotide