Explain what is meant by the statement, "Cells are very different, yet very similar." 125 words for 30 pts

What is the genotype of a homozygous tall plant

Nitric oxide is a paracrine signal molecule because NO A. is slow to diffuse B. is produced in very small quantiites C. is unstable, with a short half life D. binds to cell surface receptors that are veryplentiful.

An organic compound that contains carbon, hydrogen, and oxygen is most likely

Dna is organized into "chunks" that will eventually allow the organism to make proteins. Which theory explains this?

A small, rocky object that orbits the Sun, most often found between Mars and Jupiter?

Where does the primary source of energy needed for life come from? 1) solar energy 2) geothermal energy 3) nuclear energy 4) kinetic energy

Which molecules is not part of the cell membrane? a. lipid b. nucleic acid c. phosphate group d. steriod e. protein?

During dna replication in a human cell, 6 billions bases must be paired properly. which characteristic of dna best allows for high level of accuracy during this process

Which of the following actual (i. e., real) products of biological activity is not likely to be a source of the increases in greenhouse gases observed in recent history? A.

A population with 65 A1A1 individuals, 55 A1A2 individuals, and 10 A2A2 individuals is in Hardy-Weinberg Equilibrium. Hint: For this problem assume if the expected value is within 3 of the observed it's in HWE.