Fig. 9-2

Fig. 9-2 Light energy ECOSYSTEM Photosynthesis in chloroplasts Organic molecules CO2 + H2O + O2 Cellular respiration in mitochondria ATP ATP powers most cellular work Heat energy

Fig. 9-6-3 Electrons carried via NADH and FADH2 Electrons carried via NADH Oxidative phosphorylation: electron transport and chemiosmosis Krebs Cycle Glycolysis Pyruvate Glucose Mitochondrion Cytosol ATP ATP ATP Substrate-level phosphorylation Substrate-level phosphorylation Oxidative phosphorylation

Fig. 10-5-4 CO2 H2O Light NADP+ ADP + P i Calvin Cycle Light Reactions ATP NADPH Chloroplast [CH2O] (sugar) O2

Vocab Terms Introduction to Cell Reproduction

DNA (Deoxyribonucleic Acid)

DNA • A double-stranded polymer of nucleic acid that functions as the carrier of genetic information in cells

DNA

Gene

Gene • Unit of heredity that consists of a segment of DNA that codes for a functional unit of RNA or protein

Gene

Chromosome

Chromosome • Structure in cell made up of condensed DNA and protein, carrying genetic information in the form of genes

Chromosome

Chromatin

Chromatin • The uncondensed material (DNA and proteins) from which chromosomes are made.

Chromatin

Histone

Histone • Type of protein molecule found in the chromosomes of eukaryotic cells but generally not prokaryotic cells.

Histone Proteins

Chromosome Structure

Chromatid • One of two duplicated strands of a chromosome that become visible during cell division

Chromosome Structure

Centromere • The region of the chromosome that holds the two sister chromatids together during cell division.

Centromere

Fig. 9-2

Fig. 9-2

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