![subject](/tpl/images/cats/biologiya.png)
Biology, 18.12.2019 05:31 natimike10
Which of the following best describes the complete sequence of steps occurring during every cycle of pcr? 1. the primers hybridize to the target dna. 2. the mixture is heated to a high temperature to denature the double-stranded target dna. 3. fresh dna polymerase is added. 4. dna polymerase extends the primers to make a copy of the target dna. 2, 1, 4 3, 4, 2 3, 4, 1, 2 2, 3, 4 1, 3, 2, 4
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:30
25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 21:30
Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 00:30
If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 10:10
What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle
Answers: 2
You know the right answer?
Which of the following best describes the complete sequence of steps occurring during every cycle of...
Questions
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
English, 30.10.2020 07:40
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2020 07:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2020 07:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2020 07:50
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2020 07:50
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2020 07:50
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)