All of the following can be found in chromatin:
A、DNA.
B、histones
C、RNA.
D、transcription factors.
A、DNA.
B、histones
C、RNA.
D、transcription factors.
A、sale by description and illustration
B、sale by standard
C、sale by specification
D、sale by origin
Consider a short link, over which a sender can transmit at a rate of 150 bits/sec in both directions. Suppose that packets containing data are 100,000 bits long (fixed length), and packets containing only control (e.g., ACK or handshaking) are 200 bits long (fixed length). Assume that N parallel connections each get 1/N of the link bandwidth. Now consider the HTTP protocol, and suppose that each downloaded object is just 100,000 bits long, and that the initial downloaded object contains 10 referenced objects from the same sender. Let Tp denotes the one-way propagation delay between the client and the server. 1).How long needed to receive all objects via 10 parallel instances of non-persistent HTTP? 2).How long needed for persistent HTTP without pipelining? 3).If Tp is negligible, then which mode HTTP is faster?
A、Edit
B、Auto
C、MDI
D、Jog
A、Text
B、HTML
C、Media movies
D、Mobile games
A、avid
B、artificial
C、abnormal
D、annual
A、caspase-9
B、caspase-3
C、caspase-1
D、caspase-11
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