Biology EOC #5

When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs

• Crossing over
• Mutagenesis
• Hybridization
• Fertilization

Tags

NGSS.HS-LS3-2

What is the definition of  Selective Permeability?

• The movement of materials across the cell membrane that requires NO ENERGY from the cell.
  
• The movement of materials through (or across) the cell membrane
  
• The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
• The movement of molecules from an area of high concentration to a area of low concentration 
  

What is the correct equation for cellular respiration?

• 6O₂ + C₆H₁₂O₆ -> 6CO₂ + 6H₂O + Energy
• 6O₂ + C₆H₁₂O₆ + Energy -> 6CO₂ + 6H₂O
• 6CO₂ + 6H₂O -> 6O₂ + C₆H₁₂O₆ + Energy
• 6CO₂ + 6H₂O + Energy -> 6O₂ + C₆H₁₂O₆

Tags

NGSS.HS-LS1-7

What does the peak of the dotted line represent?

• energy of the products
  
• reaction progress
• activation energy without a catalyst
• activation energy with a catalyst

Tags

NGSS.HS-PS1-4

Which organic macromolecules are composed of chains of amino acids that join to form the structural components of organisms?

• carbohydrates
• nucleic acids
• proteins
• lipids

Tags

NGSS.HS-LS1-6

Cell have several mechanisms for regulating their internal environments.  Which of these mechanisms involved in maintaining homeostasis requires energy?

• osmosis
• diffusion
• active transport
• passive transport

This cell is undergoing mitosis.  What stage of mitosis is shown?

• prophase
• metaphase
• anaphase
• telophase

Tags

NGSS.HS-LS1-4

Methanogens, thermophiles, and halophiles are some of the most primitive life-forms found on Earth and thrive in very harsh environments. These unicellular, prokaryotic organisms most likely belong to which of the following kingdoms? 

• Fungi
• Eubacteria
• Protista
• Eubacteria

The graph represents a reaction before and after the addition of an enzyme.

According to the graph, the addition of the enzyme

• lowered the overall energy change in the reaction

• decreased the amount of product produced

• increased the potential energy of the products.

• lowered the activation energy needed to speed up the reaction.

Tags

NGSS.HS-PS1-5

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

Tags

NGSS.HS-LS2-6