There are 669 purple flowers and 221 white flowers. What is the ratio of purple flowers to white flowers?

Which of the following are correctly matched? A) compound fracture; the fractured bone ends penetrate the skinB) non-displaced fracture; the fractured bone ends are misalignedC) incomplete fracture; the bone is broken throughD) linear fracture;

Is a rock classified as a nonliving and abiotic?

During replication, the strands of a double-stranded DNA molecule separate from each other when a set of bonds are broken. What did these bonds join together? a amino acids b 5-carbon sugars c phosphate groups d nitrogenous bases

What is the probability that a male will inherit an x-linked recessive allele from his father?

in pea plants tall is dominant over short. What us the phentoype of a cross between two heterozygous tall pea plants

Egg laying in fruit flies can be triggered (induced) when males deposit their sperm in the spermathecae of the females. what is the selective advantage of induced egg laying for the male flies?

What part of the brain is responsible for maintaining consciousness, mental processing, and normal speech?

Which of the following best explains how a dissecting microscope differs from a compound light microscope? A) We do not have enough evidence yet to call cell theory a law. B) We have not reviewed cell behavior enough yet to call it a law.

What happens to pyruvate molecules formed in glycolysis in the absence of oxygen?

How might Earth be different if the ozone layer did not exist