How long does blood from a transfusion last?

A cell contains two sets of DNA. If the gene on one molecule ofDNA has a mutation, how will that affect the gene on the othermolecule of DNA?

Plant species A cannot fight most fungal infections, while plant species B makes a protein that kills many fungi. What is one possible way for humans to engineer species A plants that can produce the fungus-killing protein?

There are 5 major types of asexual reproduction. Name all 5 and give an example of each.

Like cichlids, minnows use their pharyngeal jaws to process food. suggest some possible structural differences between the teeth on the pharyngeal jaws of carnivorous and herbivorous minnows.

What characteristic is similar between the sympathetic and parasympathetic branches for most neurons?

Autopsy on a stillborn fetus reveals cardiomegaly, hepatomegaly, edema, and ascites as well as fulminant intrauterine congestive heart failure. Considering these findings, what is the most likely cause of death? a. Alpha thalassemia minor b.

Which of these structures are found in both plant and animal cells? cell wall, mitochondria, ribosomes mitochondria, ribosomes, vacuoles vacuoles, chloroplasts, cytoplasm cytoplasm, cell wall, vacuoles

Each dna strand in a double helix contains all the information needed to make a new identical double helix.

What do biologists use to establish whether or not two organisms are the same species

The moon travels around Earth at a speed of about 1 km/s. Which of the following keeps the moon in orbit around Earth?