Leaf ____ in autumn is an adaptation for flowering plants to survive harsh winters in temperate climates
a. photosynthesis
b. desiccation
c. abscission
d. production
e. growth
c
Biology & Microbiology
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Which of the following organelles is associated with the ability to catabolize alkanes found in oil and petroleum products?
A) mitochondria B) smooth endoplasmic reticulum C) peroxisomes D) lysosomes E) all of the above
Biology & Microbiology
During ________ DNA fragments are separated based upon ________
a. DNA sequencing, color b. electrophoresis, color c. electrophoresis, size d. polymerase chain reaction, size e. genetic analysis, size
Biology & Microbiology
How can an allele that confers no selective advantage spread through a population?
What will be an ideal response?
Biology & Microbiology
A highly threatened region that is home to many unique species is a(n) _____
a. ecoregion b. biome c. hot spot d. community
Biology & Microbiology