Answer the following question given this paragraph: Figure 27.15 Hormone Levels in Ovarian and Menstrual Cycles The correlation of the hormone levels and their effects on the female reproductive system is shown in this timeline of the ovarian and menstrual cycles. The menstrual cycle begins at day one with the start of menses. Ovulation occurs around day 14 of a 28-day cycle, triggered by the LH surge. Q: What process occurs around day 14 of a 28-day menstrual cycle, triggered by the lh surge? Choices: - sedimentation - fertilization - menstruation - ovulation A:
ovulation
Answer the following question given this paragraph: Q: The addition of starting materials and the removal of end products prevent metabolism from reaching what state? Choices: - constant - inequality - imbalance - equilibrium A:
equilibrium
Q: Answer the following question given this paragraph: Autosomal Dominant Inheritance. Only one "affected" allele is necessary to result in the "affected" phenotype. For a genetic disease inherited in this manner, only one mutant allele is necessary to result in the phenotype. Achondroplasia (discussed later) is an example of a dominant disorder. Both homozygous and heterozygous individuals will show the phenotype. Homozygous achondroplasia is usually a lethal condition. Q: In autosomal dominant inheritance only one "affected" what is necessary to result in an "affected" phenotype? Choices: - molecule - trait - cells - allele A:
A: allele
Question: Answer the following question given this paragraph: Energy is a property of matter that is defined as the ability to do work. The concept of energy is useful for explaining and predicting most natural phenomena, and it is the foundation for an understanding of biology. All living organisms need energy to grow and reproduce. However, energy can never be created nor destroyed. Energy can only be transformed. That is, energy is always conserved. This is called the law of conservation of energy . Therefore, organisms cannot create the energy they need. Instead, they must obtain energy from the environment. Organisms also cannot destroy or use up the energy they obtain. They can only change it from one form to another. Organisms will either use their energy (for metabolism) or release it to the environment as heat. Q: What property of matter is defined as the ability to do work and is required by all living organisms in order to grow and reproduce? Choices: - growth - food - heating - energy A:
Answer: energy
*Question*
Answer the following question given this paragraph: Q: Our global ecological footprint depends on resource use per person and what population factor? Choices: - population fluctuation - population sample - population decrease - population density A:
**Answer**
population density
*Question*
Answer the following question given this paragraph: The increase in electrons across the periodic table explains why elements go from metals to metalloids and then to nonmetals from left to right across the table. Look at period 2 in Figure below as an example. Lithium (Li) is a metal, boron (B) a metalloid, and fluorine (F) and neon (Ne) are nonmetals. The inner energy level is full for all four elements. This level has just one orbital and can hold a maximum of two electrons. The outer energy level is a different story. This level has four orbitals and can hold a maximum of eight electrons. Lithium has just one electron in this level, boron has three, fluorine has seven, and neon has eight. Q: An increase in what, across the periodic table, explains why elements go from metals to metalloids and then to nonmetals? Choices: - neutrons - temperature - protons - electrons A:
**Answer**
electrons