Chlorophyll does what - Study guides, Class notes & Summaries

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 Exams 1. What are the two major types of nucleic acids and their roles? DNA- deoxyribonucleic acid RNA- Ribonucleic acid DNA- Cellular life has DNA and a role that DNA has is long-term storage of information, it holds the characteristics of living organisms. RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins Tru...

The difference between an oxidation reaction and a reduction reaction is that oxidation is the _____ correct answers loss of electrons and reduction is the gain of electrons. If the Gibbs free energy change value for a reaction is less than zero, this reaction is ______ correct answers exergonic Flux is defined as the rate at which ___ is/are interconverted. correct answers Metabolites Enzyme active sites... correct answers Are characterized as a pocket or cleft Which answer correctl...

In which part of the chloroplast does production of oxygen during photosynthesis primarily occur? Correct Answer-Thylakoid disks Transfer energy to reaction center chlorophylls. Correct Answer-Accessory pigments While chlorophyll contains a different metal iron, its ring structure is very similar to steroids. Correct Answer-FALSE The process of ATP synthesis in chloroplasts is termed: Correct Answer-Photophosphorylation Where does the actual CO2 fixation take place? Correct Answer-Th...

BIO 100 Practice Questions with Verified Solutions **What does the mass number represent?** It represents the total number of protons and neutrons in an isotope. **Where does the mitotic spindle attach to chromosomes?** It attaches at the centromere. **What type of solution is ideal for plant cells?** Hypotonic solution. **What makes up a nucleotide?** A nucleotide consists of a 5-carbon sugar, a phosphate group, and a nitrogenous base. **How many ATP molecules are prod...

what are the 4 postulates of natural selection? - 1. individuals vary in their traits 2. some of the variation is heritable 3. more offspring are produced than survive to reproduce 4. survival & reproduction are predictable; those with favorable traits reproduce most and pass their genes to the next generation what happens when a proton is absorbed by a molecule? - -it excites an electron into a higher energy state -the electron quickly drops to its ground state -releases the energy as l...

Bio-100 Exam 1- Cells Questions and Answers Graded A+ **What is an "educated guess" about what causes an observed phenomenon called?** Hypothesis **What element forms the "backbones" of the macromolecules of life?** Carbon **Which macromolecules are composed of amino acids?** Proteins **What type of chemical bond stabilizes crystals of table salt (NaCl)?** Ionic Bonds **What is the chemical bond between amino acids called?** Peptide bond **Water (H2O) and m...

What is a photosynthetic autotroph? - An organism that makes its own food from inorganic ingredients. What is the fluid inside chloroplasts called? - Stroma What are the membranes inside chloroplasts called? - inner and outer membranes Write the overall equation for photosynthesis. - 6CO2+6H2O���C6H12O6+6O2 What is the primary function of pigments in photosynthesis? Name the primary pigment used in photosynthesis. - Pigments absorb certain wavelengths. They are the means by which the energ...

Agritechnology Certification Review Exam Questions with 100% Correct Answers Mosquitoes carry what deadly disease to humans? Malaria Which of the following is considered part of the environment? temperature, light, air When two alleles are homozygous, the trait on each chromosome is identical It is accurate to say that organic food is grown without the use of certain chemicals and pesticides What percent of people in the United States are farmers? 2% Laws are appro...

What are the key characteristics of plants? Answer> - Composed of one or more eukaryote cell(s) - Cell wall composed of cellulose - Chlorophyll in chloroplast How do plants acquire energy? Answer> By autotrophy (photosynthesis) How do plants acquire nutrients? Answer> Absorbed from the environment (Nitrogen and Phosphorus) How do plants produce ATP? Answer> Aerobic cellular respiration What plant is an exception? Why? Answer> Ghost plants - Lacks chlorophyll, and is pa...