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solong [7]
3 years ago
15

Watson and crick were the first to suggest that dna is

Biology
1 answer:
grin007 [14]3 years ago
7 0

Answer:

they suggested that DNA could make exact copies of itself

Explanation:

The two had shown that in DNA, form is function: the double-stranded molecule could both produce exact copies of itself and carry genetic instructions.Watson and Crick developed their ideas about genetic replication in a second article in Nature.

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A lizard with a striped tail and a normal head is crossed with one having a normal tail and a spotted head. All the F 1 progeny
gavmur [86]

Answer:

9 normal : 3 striped : 3 spotted: 1 striped and spotted.

Explanation:

The F1 progeny contains no spots or stripes and are considered as normal, it means normal tail and normal head are dominant on their alternative traits. So, it means that the F1 progeny are heterozygous in nature for both of the traits.

The cross between 2 F1 progeny is dihybrid cross of lizards (heterozygous) which will produce offspring in 9:3:3:1 ratio, where 9 are normal, 3 striped which are dominant in the one character, 3 spotted which are dominant in other, and 1 will be stripped and spotted which is recessive in nature.

8 0
4 years ago
Which two fundamental forces act within the atomic nucleus?
sashaice [31]
Weak and strong forces
8 0
3 years ago
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Plate Boundaries and Movement lab report Directions Now that the lab is complete, it is time to write your lab report. The purpo
Paladinen [302]

Answer: 1.) You want to answer, possibly, your hypothesis.

2.) If you have a prompt and a claim, write your hypothesis down in this form: If ______________, then________________.

3.) Use the scientific process of performing an experiment, like observation, measurement, etc.

4.) LABEL all the sides of your (bar, line, etc) graph.

5.) Write a sentence using your graph in this form:

It (increased/decreased)_________ because _________.

This value is the (greatest/least) __________ because ___________.

6.) Explain why or why not the hypothesis supported your observations and measurements.

My hypothesis (did/didn't) support my experiment because ____________.

7.) In other words, how does your graph, observations, etc., go along with your hypothesis?

Hope this helps.

3 0
3 years ago
Read 2 more answers
Therefore,the independent variable was________, and the dependent variable was ______.
wel

Answer:

The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.

3 0
4 years ago
Why is carbohydrates the preferred energy source during intense exercise?
givi [52]
Carbohydrates, such as sugar and starch, for example, are readily broken down into glucose, the body's principal energy source. ... During exercise, muscle glycogen is converted back into glucose, which only the muscle fibers can use as fuel.
6 0
3 years ago
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