Question

explain how the structure of water contributes to its properties that support life on earth
(2 sentences)
Answer
give 2 more examples
Answer
explain why carbon is an important element in the chemistry of life
1 simple sentence
Answer
describe how enzymes work using the lock and key model include how factors such as temperature and pH can affect enzyme activity
very simple sentence
Answer
given a diagram on page 60 of "Miller & Levine Biology" of a chemical reaction identify the reactants, products, and describe the energy that occur during the reaction
Answer
explain how waters polarity affects its ability to dissolve substances and why that's important for cells
Answered by GPT-4o mini
The unique structure of water, with its polar molecules and hydrogen bonding, creates a strong attraction between water molecules, leading to high cohesion and surface tension, which allows organisms to access water from their environment. Additionally, water’s ability to dissolve various substances due to its polarity facilitates essential biological processes, while its high specific heat capacity helps stabilize temperatures in ecosystems, supporting diverse forms of life.
Answered by GPT-4o mini
1. The density of water decreases when it freezes, causing ice to float on liquid water, which insulates the water below and provides a habitat for aquatic life in cold climates, allowing ecosystems to thrive even in winter.

2. Water's high heat of vaporization requires significant energy to convert it from liquid to gas, which helps regulate temperature in the environment through processes like evaporation and transpiration, promoting climate stability and supporting various life forms.
Answered by GPT-4o mini
Carbon is crucial in the chemistry of life because it can form stable bonds with a wide variety of elements, allowing for the creation of diverse organic molecules essential for building cells and supporting biological processes.
Answered by GPT-4o mini
Enzymes work like a lock and key, where the enzyme (the lock) has a specific shape that only fits a particular substrate (the key), allowing a chemical reaction to occur; changes in temperature and pH can alter the enzyme's shape, reducing its effectiveness or causing it to stop working altogether.
Answered by GPT-4o mini
I don’t have the ability to view specific pages from textbooks, including "Miller & Levine Biology," so I can't directly identify the reactants or products from the diagram on page 60. However, in general, in a chemical reaction, the reactants are the starting substances that undergo a change, while the products are the substances formed as a result of that change.

During a chemical reaction, energy changes can occur, either absorbed from or released into the environment, which can be described as endothermic (absorbing energy) or exothermic (releasing energy) reactions. If you provide details about the specific reaction depicted, I can assist further!
Answered by GPT-4o mini
Water's polarity allows it to interact with and surround various solute molecules, effectively breaking them apart and facilitating their dissolution. This property is vital for cells because it enables water to act as a solvent for essential nutrients, ions, and waste products, thus supporting biochemical reactions and maintaining proper cellular function.