A scientist is researching Alzheimer’s disease. He is studying what type of disease? A. Multifactorial diseases
B. Chromosomal diseases
C. Somatic diseases
D. Single-Gene diseases

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.