![subject](/tpl/images/cats/biologiya.png)
Biology, 22.01.2021 18:30 chris199825
Which of the following is a true statement?
Mechanical pencils are used before drawing pens
A radiograph pen is used to draw lines with different thicknesses
Mechanical pens use thick lead
A radiograph pen is used before a mechanical pencil
its actually agriculture
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 16:10
Which of the following statements regarding anfinsen's denaturing experiments with ribonuclease a (rnase a) are valid? exposing the denatured protein to air oxidation and then dialysis to remove urea restored the protein to its original functionality. removing urea by dialysis and then allowing air oxidation of the denatured protein restored the protein to its original functionality. denaturing the protein with both urea and β-mercaptoethanol yielded an inactive protein. anfinsen concluded that protein folding is determined by its primary sequence.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 20:30
Will mark brainliest if correct/available! which of the following statements is true? all plants need flowers to sexually reproduce. sexually reproduced offspring are identical to their parents. fertilization always occurs inside the female's body. a body cell has twice the number of chromosomes as an egg cell.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
You know the right answer?
Which of the following is a true statement?
Mechanical pencils are used before drawing pens
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 10:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 10:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 10:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.06.2019 10:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 29.06.2019 10:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 29.06.2019 10:00
![question](/tpl/images/cats/istoriya.png)
History, 29.06.2019 10:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 10:00
![question](/tpl/images/cats/es.png)
Spanish, 29.06.2019 10:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.06.2019 10:00
![question](/tpl/images/cats/istoriya.png)
History, 29.06.2019 10:00
![question](/tpl/images/cats/health.png)
Health, 29.06.2019 10:00