Biology Study guides, Class notes & Summaries

Which type of digestion occurs in the mouth? Neither mechanical nor chemical Both mechanical and chemical Chemical Mechanical 2 Which of the following statements about secondary messengers is true? They are a third type of hormone, although they differ significantly from the other two. They carry out the effects of non-steroid hormones within the cell. They work with both steroid and non-steroid hormones to carry out their effects in the cell. They carry out the ef...

Sophia - Human Biology - Unit 5 Milestone 5. 1 Which type of pancreatic cells help to lower blood sugar? • Delta cells • Beta cells • Alpha cells • Gamma cells CONCEPT Pancreatic Hormones 2 After fertilization, the newly formed zygote begins to divide into multiple cells through a process called __________. • Morphogenesis • Cleavage • Blastomere • Gastrulation CONCEPT Fertilization and Early Development 3 Which step(s) of urine formation is important to maintain...

Sophia - Human Biology - Unit 1 Challenge 3. 1 — Proteins Identify the makeup of proteins. Three or more amino acids joined together form a __________. • a.) polypeptide chain • b.) protein • c.) nucleic acid • d.) peptide bond 2 — Lipids Understand the elements and behavior of lipids. What type of lipids would increase the chances of health disorders if consumed regularly through diet? • a.) Trans fat • b.) Triglyceride • c.) Sterol • d.) Phospholipid 3 — Nucleic Acids I...

Sophia - Human Biology - Unit 2 Challenge 1 1 — Bone Structure and Growth Understand the structure of bone as well as how bones grow. Children tend to have more __________ bone marrow, most of which becomes __________ bone marrow as they become adults. • a.) yellow; red • b.) calcified; fatty • c.) fatty; calcified • d.) red; yellow 2 — Homeostasis and Bone Remodeling Determine how and why bones undergo remodeling. Which of the following is released by the brain when too much calciu...

Sophia - Human Biology - Unit 5 Challenge 4. 1 — Digestion Identify the parts of the digestive system and the roles they play. Which part of the digestive system stores food to mechanically and chemically break it down? • a.) Stomach • b.) Large intestine • c.) Small intestine • d.) Esophagus 2 — The Alimentary Canal Identify the parts of the alimentary canal and the roles they play. The alimentary canal is another name for what? • a.) The esophagus • b.) The small intestine •...

Sophia - Human Biology - Unit 4 Milestone 4. 1 In which of the following does the blood clot appropriately to prevent major blood loss? • Hemophilia • Embolism • Hemostasis • Thrombosis CONCEPT Platelets 2 What is the role of the aorta in the systemic circuit? • It supplies deoxygenated blood to various body tissues. • It supplies oxygenated blood to various body tissues. • It collects oxygenated blood supplies from the lungs. • It collects deoxygenated blood supp...

Sophia - Human Biology - Unit 4 Challenge 3. 1 — Blood Understand the makeup of blood. What is "erythrocyte" the technical term for? • a.) Plasma • b.) Platelet • c.) Red blood cell • d.) White blood cell 2 — Blood Types Determine what blood type means and how different types interact. Which types of blood can a person with blood type A receive? • a.) A, AB, O • b.) Only A • c.) A, O • d.) A, AB 3 — Red Blood Cells and Hemoglobin Identify the structure and function of r...

Sophia - Environmental Science - Unit 3 Milestone 3. 1 Select the true statement about efforts to address water pollution in the United States. • The Clean Water Act of 1972 stated that all U.S. waterways would be clean by 1983. • The Refuse Act of 1899 was designed to protect waterways from non-point source pollution. • Media coverage of water pollution issues in the 1960s led to public concern and political action. • Individual states address non-point pollution sources by fin...

Sophia - Human Biology - Unit 1 Milestone 1 1 Which of the following statements about enzymes is true? • Any enzyme in your body is capable of taking part in any type of reaction. • Enzymes most often help to slow down reactions in the body. • An enzyme can act to either join substrates together or break them down. • The substrate will be physically different, but not chemically different after being acted upon by an enzyme. CONCEPT Enzymes 2 Which of the following is present onl...