Gregg Study guides, Class notes & Summaries

transport proteins - are responsible for controlling passage across the membrane fluid mosaic model - The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - nonpolar, hydrophobic fatty acid heads - hydrophilic, polar periphial proteins - bound to the surface of the membrane integral proteins - penetrate the hydrophobic core (ones that span the membrane are transmembrane protiens How do cells recognize each other? - by binding to molec...

Test Bank For: Ham's Primary Care Geriatrics- A Case-Based Approach 6th Edition By Richard J. Ham Chapter 1. Principles of Primary Care of Older Adults Chapter 2. Interprofessional Team Care Chapter 3. Assessment Chapter 4. Wellness and Prevention Chapter 5. Advanced Cultural Competency in Caring for Geriatric Patients Chapter 6. Appropriate Prescribing Chapter 7. Ethics Chapter 8. Financing and Organization of Health Care Chapter 9. Billing and Coding Chapter 10. Hospital Care Chapte...

the units of heredity and are made up of segments of DNA - Answer-genes how many chromosomes do humans have in the nucleus of their somatic cells? - Answer-46 chromosomes (23 pairs) the two chromosomes in each pair are called... - Answer-homologous chromosomes/homologs each pair of homologous chromosomes includes... - Answer-one chromosome from each parent what does meiosis result in - Answer-4 haploid daughter cells what does meiosis 1 do - Answer-separates homologous chromosomes when do...

Test Bank for A Topical Approach to Lifespan Development 11th Edition By John S Test Bank for A Topical Approach to Lifespan Development 11th Edition By John S Test Bank for A Topical Approach to Lifespan Development 11th Edition By John S Test Bank for A Topical Approach to Lifespan Development 11th Edition By John S

Biol 1201 Final – Gregg Latest Update Graded A+ local signaling animal cells may communicate by direct contact, or cell-cell recognition (paracrine and synaptic signaling) cell junctions Animal and plant cells; directly connect the cytoplasm of adjacent cells paracrine signaling the target cells lie near the secreting cells synaptic signaling a nerve cell releases neurotransmitter molecules into a synapse, stimulating the target cell endocrine (hormonal) signaling Specializ...

Biology 1201 Final Exam Gregg with Complete Solutions subatomic particles protons, neutrons, electrons Proton charge and location positive, nucleus neutron charge and location neutral, nucleus Electron charge and location negative (-) and outside nucleus in electron cloud valence electrons electrons in the outermost shell incomplete valence shells atoms can share or transfer electrons with other atoms, or make chemical bonds Atoms valence Bonding capacity = the number of...

Bio 1201 exam 2 Gregg latest update graded A+ transport proteins are responsible for controlling passage across the membrane fluid mosaic model The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails nonpolar, hydrophobic fatty acid heads hydrophilic, polar periphial proteins bound to the surface of the membrane integral proteins penetrate the hydrophobic core (ones that span the membrane are transmembrane protiens How ...

Biol 1201 Exam 1 (Gregg) with Complete Solutions plasma membrane The membrane at the boundary of every cell that acts as a selective barrier, thereby regulating the cell's chemical composition. Ribosomes complexes that make proteins; free in cytosol or bound to rough ER or nuclear envelope Golgi apparatus active in synthesis, modification, sorting, and secretion of cell products Lysosome digestive organelle where macromolecules are hydrolyzed, and autophagy Mitachondrion org...

Bio 1201 Gregg exam 3 questions and answers rated A+ the units of heredity and are made up of segments of DNA genes how many chromosomes do humans have in the nucleus of their somatic cells? 46 chromosomes (23 pairs) the two chromosomes in each pair are called... homologous chromosomes/homologs each pair of homologous chromosomes includes... one chromosome from each parent what does meiosis result in 4 haploid daughter cells what does meiosis 1 do separates homologous chrom...

BIOLOGY 1201- Exam 3 2023 Christopher Gregg LSU (Chapters 13,14,15,16 & 17) Rated A+ Genetic diversity requires __________. sexual reproduction, independent assortment, crossing over between nonsister chromatids of homologous chromosomes, and random fertilization Which of the following occurs in meiosis, but not mitosis? Homologous chromosomes separate. Sister chromatids differ from nonsister chromatids in that sister chromatids __________. are products of the S phase of the cell ...

Bio 1201 Exam 1 Gregg Questions and Answers Graded A+ Matter consists of chemical elements in pure form and in combinations called ______________. Compounds ______________ consists of chemical elements in pure form and in combinations called compounds. Matter Matter consists of ________________ in pure form and in combinations called compounds. Chemical elements Organisms are composed of _____________. Matter _______________ is anything that takes up space and has mass. Matt...