对某种动物的肝肿瘤细胞进行动物细胞培养。下列说法不正确的是（  ）

姚明已成为美国NBA一流中峰，给中国人争得了很多的荣誉，让更多的中国人爱上了篮球这项运动。姚明某次投篮跳起可分为下蹲、蹬地(加速上升)、离地上升、下落四个过程，下列关于蹬地和离地上升两个过程的说法正确的是(忽略空气阻力)  （  ）

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   "Let's go to the petting zoo(抚爱式动物园)!"said Bonk．
    "First, let's get some food for the animals.” said Lurk．
    "I'm so happy we can feed the animals．"said Uzzle．
    "I'll get carrots for the horses．"said Lurk．
    "I'll get cabbages for the chickens．"said Uzzle．
    "I'll get corn(玉米)for the sheep，"said Bonk．
    At the zoo，Bonk put some of the corn in his bag．His bag had a small hole(洞)，but Bonk didn't know about it．Bonk and his friends played with the animals and fed them．Bonk forgot about the corn.
    On the way home，the corn dropped(落下)out．One of the sheep at the zoo followed the corn to Bonk's home．Before Bonk and his friends said goodbye to each other, they saw the sheep．
    "How do we get him back to the zoo?"asked Bonk．
    Bonk and his friends did everything．But the sheep just didn't move．
   "Mr. Sheep?" said Lurk．"You need to go back to the zoo."The sheep didn't move．
    "I know what will work!"said Bonk．Bonk put the corn along the road to the petting zoo and let the sheep eat it．The sheep moved when he ate the corn．At last ,the sheep was back at the zoo．
    "Baa!"said the sheep．
    "You're welcome．"said Bonk.
根据材料内容简要回答下列问题。

Britain announced tighter security measures this week, with plans ______ full-body scanners at Heathrow airport within three weeks.

下列分子中能构成多肽或蛋白质的是（  ）