During protein synthesis, mRNA is translated into three-base sequences representing amino acids. What signals the ribosome to begin translating the mRNA into a new amino acid sequence? A a codon B temperature C a mutation D enzymes

Species rarely grow exponentially, but do occasionally. Under which of the following conditions is this likely to happen? A. An abundance of available resources B. A lack of other species competing for resources C. A lack of natural predators D.

The temperature in a room is 56c. What would the velocity of a sound wave be at this temperature

Molten material cools and forms igneous rocks. Lava flows from a volcano.

What part of a cell prevents water from entering the cell? A. Electron transport chains B. Transport proteins C. Ribosomes D. Phospholipids

Which two moods are used for situations that are contrary to fact or for the conditions under which a situation might occur? subjunctive and interrogative conditional and imperative subjunctive and conditional interrogative and indicative

When you get a minor cut platelets in your blood stick to the wound and cause?

Why are phospholipids ideal for making up the selectively permeable membrane?

5. What type of bond can be found between complementary nitrogenous bases?

Which field of biology focuses on heredity and dna?

What property of water was demonstrated by fold and float