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Properties of Life - ANSWERSOrder, Evolutionary Adaptation, Response to the Environment, Regulation, Energy Processing, Growth and Development, Reproduction. Exploring Levels of Biological Organization - ANSWERSEcosystems - living and nonliving components of a specific area Communities - a variety of organisms inhabiting an ecosystem Populations - one species that inhabits a specific locale Organisms Organs and organ systems Tissues Cells Organelles Molecules Biosphere - ANSWERSCon...

Which best describes the chemical composition of a plant cell wall? - ANSWERSCellulose embedded in a gel-like matrix of cross-linked polysaccharides and proteins Which structure occupies the largest volume in a mature plant cell? - ANSWERSVacuole One difference between plant and animal cells is that - ANSWERSanimal cells lack a large central vacuole. If you wanted to stop the movement of a ciliated protist in culture, you could incubate it in a substance that inhibits - ANSWERSdynein ...

How many valence electrons does Phosphorus have? - ANSWERS5 Two oxygen molecules will form what kind of bond/interaction? - ANSWERSnon-polar covalent What makes a molecule polar? - ANSWERSunequal sharing of valence electrons What property of water allows water molecules to stick together? - ANSWERScohesion What property of water allows water molecules to stick to other substances? - ANSWERSadhesion One of water's unique properties is that its solid and liquid form have the same...

In the electromagnetic spectrum, the type of radiation that we call visible light occurs between _____. - ANSWERSultraviolet radiation and infrared radiation When light strikes chlorophyll molecules, they lose electrons, which are ultimately replaced by _____. - ANSWERSsplitting water Photosynthesis is a redox reaction. This means that H2O is _____ during the light reactions and CO2 is _____ during the Calvin cycle. - ANSWERSoxidized...reduced The overall function of the Calvin cycle is...

how do cells in multicellular organisms communicate with each other - ANSWERSsignaling molecules what are the three types of signaling in multicellular organisms - ANSWERSLocal signaling, paracrine signaling, synaptic signaling how are the three types of signaling pathways classified - ANSWERSlocal- direct contact paracrine/synaptic - secreted messenger molecules what to plants and animals use to signal long distances - ANSWERShoromones what are the three stages for cell signaling -...

Biology - ANSWERSThe scientific study of living things or organisms All living things are all descended from _________ - ANSWERSA single common ancestor All living organisms are: - ANSWERSAre composed of a common set of chemical components and similar structures (e.g., cells) Depend on interactions among structurally complex parts to maintain the living state Have genetic information that uses a nearly universal code Convert molecules obtained from their environment into new biolo...

cytoskeleton - ANSWERSis a network of fibers extending throughout the cytoplasm what does the cytoskeleton do? - ANSWERSorganizes the cell's structures and activities, anchoring many organelles what three molecular structures compose cytoskeleton? - ANSWERSmicrotubules, microfilaments, intermediate filaments what are the roles of the cytoskeleton? - ANSWERSsupport, motility, regulation what does the cytoskeleton help the cell do? - ANSWERSsupport the cell and maintain its shape ...

cell cycle - ANSWERSthe life of a cell from the time it is first formed during division of a parent cell until its own division into two daughter cells genome - ANSWERSa cell's endowment of DNA, its genetic information chromosomes (2) - ANSWERS1. structures with DNA molecules packaged in 2. consist of one very long, linear DNA molecule associated with many proteins, which carries genes genes - ANSWERSthe units of information that specify an organism's inherited traits chromati...

cell division - ANSWERSreproduction of cells 3 uses of cell division - ANSWERS- asexual reproduction (single celled organisms) - growth and development (embryonic development) - tissue renewal and repair genome - ANSWERSall cell's DNA chromosomes - ANSWERS- cellular structure containing DNA molecule - somatic cells w/23 pairs (46 chromos) chromatin - ANSWERSThe complex of DNA and proteins that makes up eukaryotic chromosomes (building material of chromosomes) somatic cells -...

what does DNA stand for - ANSWERSdeoxyribonucleic acid what is the substance of inheritance from your parents - ANSWERSDNA what are the two chemical components of chromosomes - ANSWERSDNA and Protein scientist originally thought that ___ passed down genetic information. However, it is actually DNA - ANSWERSproteins a change in genotype and phenotype due to the assimilation of external DNA by a cell. - ANSWERStransformation. the transforming substance is DNA viruses that infect bac...