DNAisthewhole"map"ofthehumanbody.Itissomethingthatallhumanshave,andittellsthebodywhattodo.DNAisthereasonthatwelooklikeourparents,becausewegetsomeoftheirDNAtomakeourown.Peoplehavebeentryingtounderstandthehumanbodyfor a longtime.In I860,MrMendeldiscoveredwhywelookthesameasotherpeopleinourfamily.Itisbecauseof...
根据DNAisthereasonthatwelooklikeourparents,becausewegetsomeoftheirDNAtomakeourown.(DNA是我们看起来像父母的原因,因为我们得到了他们的一些DNA来制造我们自己的。)可知因为我们得到了他们的一些DNA来制造我们自己的。故答案为:Because we get some of their DNA to make our own.(2)细节理解题。根据In1961,...
What is {DNA}?
What is the tallest building in the world? World's longest structure. The Great Wall of China is more than 7 240 kilometres long. It is the longest structure in the world. In some places,the wall is 9.75 metres thick. The first person to walk the whole length of the Great Wall was ...
In 1976, Maxam and Gilbert developed a technique in which DNA is chemically treated to break the chain at specific bases; following electrophoresis of the cleaved DNA, the relative lengths of the fragments—and thus the positions of specific nucleotides—can be determined and the sequence inferred...
It is in every cell (细胞) of our bodies. It carries important 1.(information) about our genetic history (史). DNA tests can help us understand ourselves. Twenty 2.(pupil) from Atlanta, the US, took one of these tests.Last fall, they studied 3.(life)science. During their study, ...
DNA is the whole “map" of the human body. It is something that all humans have, and it tells the body what to do. DNA is the reason that we look like our parents, because we get some of their DNA to make our own.People have been trying to understand the human body for a ...
Structure of DNA (Photo Credit : Zvitaliy/Shutterstock) Thus, a DNA molecule is like a ladder that twists like a corkscrew, with the sugar and phosphate acting as the side rails and the base pairs acting as the rungs. Where Do We Find DNA?
audiotape, pictures Type of lesson: new lesson Teaching Procedure: Step1.Lead in the text by discussing what DNA is. Divide the class into several groups. Then talk about the subject for several minutes. Then one of the groups presents their opinions in front of the class.
DNA: DNA or deoxyribonucleic acid is a type of genetic material common in both eukaryotes and prokaryotes. The DNA encloses within it the instructions for the synthesis of protein in the body. The DNA is passed from the parent to the offspring through reproduction. ...