A particular organism has the following characteristics: • It is single-celled.
•It does not have a nucleus or membrane-bound organelles.
•It is autotrophic, meaning that it makes its own food.
•It is able to replicate without a host cell.
Which of the following types of organisms is the type described above?

Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)

Which of the following best describes the purpose of technology?

What processes take place before the mature mrna exits the nucleus?