Many chemical reactions in cells take place on enzymes. The reactants bind to the enzyme until the reaction is complete. These reactants are called substrates. When the reaction is complete, the products are released.

What is the one part of the nucleotide that differs among the other different nucleotides?

Many prokaryotic RNA molecules do not undergo posttranscriptional processing. What is the purpose of RNA processing in eukaryotic cells?

Patient is a 68-year-old male admitted for left flank nephrectomy with partial ureterectomy. he has left renal atrophy and chronic renal inflammation.

Which of the following foods is most nutrient dense for protein: product A with 300 kcalories and 19 grams of protein product B with 450 kcalories and 27 grams of protein product C with 210 kcalories and 11 grams of protein product D with 358

Which of the following ecological roles is/are played by at least some fungi? Select all that apply. A) AutotrophyB) PredationC) Decomposition

Explain the process that creates wind?

Science can only test questions that involve the natural world true or false

Viruses are the exception to the cell theory, but they have some characteristics of living things. What is one of these characteristics?

Which type of cell has the following characteristics? - They are larger in size - They have a nucleus and membrane bound organelles - They are living A. Prokaryotic Cells B. Bacteria Cells C. Simple Cells D. Eukaryotic Cells

Most proteins in present-day mitochondria are made by cytoplasmic ribosomes from mRNA transcribed from nuclear genes. Can this fact be reconciled with the hypothesis described in the passage? A.