Heat and chemical treatments can straighten curly hair. Which functional group is responsible for this property of hair proteins? A) phosphate group B) sulfhydryl group C) carbonyl group

Which part of a root transports water and nutrients? a. epidermis b. root cap c. vascular system d. cortex

Groups of organism change over time means

Which factors provide the basis for the differences observed in the major land biomes on Earth? A. Average temperature and average precipitation B. Average windspeed and average oxygen levels C. Average day length and average night length D.

Why is converting units in the mertic system easier than our current system of measurement

A population of 22 lizards undergoes linear growth and increases to 212 individuals over a six-year span. What is the growth rate of this population?

15. Define budding and cloning. How are they the same? How are they different?

Which of these is an environmental change that occurs rapidly? A - Regrowth after flooding B - Human population growth C - Hurricane D - Ecosystem changing from a meadow to pond

An energy transformation is the same as energy what?

How are nerve cells adapted to carry electrical messages?

If B is dominant for brown eyes and b is recessive for blue eyes, write the genotype and phenotype shown for #1-3. 1. Homozygous dominant 2. Homozygous recessive 3 Heterozygous