Using DNA to Identify Human Remains 410
Using DNA to Solve Crimes 440
Using Index Fossils 564
Investigating Hominoid Fossils 774
Diagnosing Endocrine Disorders 1002
Detecting Lyme Disease 1028
The Effect of Fertilizer on Algae 88
Abiotic Factors and Plant Selection 122
Comparing Fermentation Rates of Sugars 266
Controlling Bacterial Growth 594
Exploring Plant Diversity 656
Plant Hormones and Leaves 720
Comparing Bird and Mammal Bones 832
Digestion of Dairy Products 888
Testing Sensory Receptors for Touch 914
Using a Microscope to Estimate Size 26
The Growth Cycle of Yeast 146
Detecting Diffusion 218
Plant Pigments and Photosynthesis 242
Modeling Meiosis 330
Extracting DNA 354
From DNA to Protein Synthesis 384
Amino Acid Sequences: Indicators of Evolution 474
Competing for Resources 502
Comparing Invertebrate Body Plans 744
Anatomy of a Squid 800
Comparing Limbs 940
What's in a Diet? 20
Comparing Fatty Acids 48
The 10 Percent Rule 77
Predator-Prey Dynamics 102
Which Biome? 115
Multiplying Rabbits 135
American Air Pollution Trends 164
Saving the Golden Lion Tamarin 172
Mitochondria Distribution in the Mouse 216
Rates of Photosynthesis 240
You Are What You Eat 251
The Rise and Fall of Cyclins 288
Cellular Differentiation of C. elegans 294
Human Blood Types 320
Calculating Haploid and Diploid Numbers 327
Base Percentages 345
The Discovery of RNA Interference 381
The Geography of Malaria 400
Genetically Modified Crops in the
United States. 429
Molecular Homology in Hoxc8 470
Allele Frequency 491
Fishes in Two Lakes 500
Comparing the Domains 524
Extinctions Through Time 548
Comparing Atmospheres 556
MRSA on the Rise 591
Mycorrhizae and Tree Height 624
Keeping Ferns in Check 644
Reading a Tree's History 678
Temperature and Seed Germination 706
Auxins and Plant Growth 710
Differences in Differentiation 740
Feather Evolution 763
Protein Digestion 784
Comparing Ectotherms and Endotherms 828
Caring for Young 850
The Composition of Urine 883
Sound Intensity 910
The Rising Rate of Melanoma 938
Blood Transfusions 956
Immune System “Memory” 1017
Food Allergies 1025