Answer the following question given this paragraph: A characteristic may be controlled by one gene with two alleles, but the two alleles may have a different relationship than the simple dominant-recessive relationship that you have read about so far. For example, the two alleles may have a codominant or incompletely dominant relationship. The former is illustrated by the flower in Figure below , and the latter in Figure below . Q: How many alleles control a characteristic? Choices: - 3 - 4 - 8 - 2 A:
2
Answer the following question given this paragraph: Geysers erupt because the water is trapped. The water becomes superheated until finally the pressure builds enough for it to break the seal. Q: Geysers erupt because what boiling hot substance is trapped beneath their surface? Choices: - gas - lava - oil - water A:
water
Q: Answer the following question given this paragraph: Diffraction is the bending of waves around a corner. Q: What is the bending of waves around a corner called? Choices: - reflection - propulsion - absorption - diffraction A:
A: diffraction
Question: Answer the following question given this paragraph: Bacteria reproduce through a process called binary fission . During binary fission, the chromosome copies itself, forming two genetically identical copies. Then, the cell enlarges and divides into two new daughter cells. The two daughter cells are identical to the parent cell. Binary fission can happen very rapidly. Some species of bacteria can double their population in less than ten minutes! This process makes it possible for a tremendous bacterial colony to start from a single cell. Q: Bacteria reproduce through what process? Choices: - binary fusion - tertiary fission - residual fission - binary fission A:
Answer: binary fission
*Question*
Answer the following question given this paragraph: Blood flows through the heart in two separate loops. You can think of them as a "left side loop" and a "right side loop. " The right side of the heart collects oxygen-poor blood from the body and pumps it into the lungs, where it releases carbon dioxide and picks up oxygen. The left side carries the oxygen-rich blood back from the lungs into the left side of the heart, which then pumps the oxygen-rich blood to the rest of the body. The blood delivers oxygen to the cells of the body and returns to the heart oxygen-poor. Q: The right side of the heart collects what type of blood from the body? Choices: - oxygen-rich - dioxide-poor - potassium-rich - oxygen-poor A:
**Answer**
oxygen-poor
Q: Answer the following question given this paragraph: Kinetic and potential energy add up to mechanical energy. Q: Mechanical energy can also usually be expressed as the sum of kinetic energy and what other kind of energy? Choices: - reflective energy - directional energy - partial energy - potential energy A:
A: potential energy