Examlex
The angle subtended at an observer by a city transit bus (length 9 m) at a distance of 1000 m is close to
Orthomyxoviruses
A family of RNA viruses that includes the influenza viruses, characterized by their ability to cause flu epidemics and pandemics in animals and humans.
Nucleic Acid
A biopolymer essential for all known forms of life, which carries genetic information. It includes DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Lytic Reproductive Cycles
Lytic reproductive cycles are phases in virus life cycles where the host cell is lysed (broken open) to release new virus particles.
Host Cells
Cells that are invaded and potentially utilized by a virus or another organism to reproduce or sustain itself.
Q11: Genes in their natural state cannot be
Q61: Which of these situations describes an acceptable
Q62: The so-called "pointer stars" in Ursa Major,
Q77: From the northern hemisphere, where in the
Q81: In Ptolemy's geocentric theory of the solar
Q154: The declination of the Sun on September
Q178: The distance to a certain star has
Q250: Greatest elongation in a planetary orbit occurs
Q309: In which way does the Moon move
Q326: Two objects are confined by their mutual