Ultimate Biology Study Guide - Questions & Answers

This form of contraception works by preventing ovulation, making cervical mucus thicker, and changing the lining of the uterus. which form of contraception does this describe?
1 Answer
what is the correct order that proteins are made from DNA
1 Answer
An example of a trace fossil includes aMultiple choice question.A)worm trail.B)raindrop impression.C)cast of a clam.D)mud crack.
1 Answer
Which of the following is the primary germ layer that forms the basis for the musculoskeletal system?
1 Answer
the process green plants use to turn water and carbon dioxide into food using energy from sunlight.
1 Answer
match each term to its defention
1 Answer
In metaphase what has happened to the nucleus
1 Answer
NEEED IT RIGHT NOW 9. A species of bat is able to hunt without using its eyesight, but it can still see. What does thisunique evolutionary variation indicate about this species of bat?a) Sight is an unfavorable trait in this species of bat.b) Sight is a non-inheritable trait (not inherited from parents).
1 Answer
If neither chemical works what would you suspect is broken? explain your answer
1 Answer
HELPPPPPPPPPPPPP helpppppppppp
2 Answers
outnumbering neurons by up to 50 to 1, which cells protect, insulate, and reinforce neurons? group of answer choices
1 Answer
what 3 factors (or hypotheses) explain the latitudinal gradients in species diversity from the poles to the tropics?
1 Answer
biotic potential is defined as the minimum population growth rate under less than optimal conditions. true or false
1 Answer
the identification of protein-coding genes within dna sequences in a database is: a. gene annotation b. evo-devo c. bioinformatics d. systems biology
1 Answer
you have designed a drug that stops the functions of proteasomes. what assay is likely to best reveal the effects of the drug on cells shortly after application?
1 Answer
epidemiologists have specialized expertise directly applicable to policy development. accordingly, which of the statements) about epidemiologists is/are correct?
1 Answer
suppose a mutation happened within an intron of a gene. could this affect the gene's expression? why or why not?
1 Answer
why is it possible for bacteria to make a human protein, such as insulin, or a sea anemone protein, such as the red fluorescent protein?
1 Answer
suppose that there was an enzyme that cuts bonds between deoxyribose and nitrogenous bases. what would this enzyme do to a dna molecule?
1 Answer
micro 12 which of the following antibiotics is recommended for use against gram-negative bacteria? a) polyenes b) bacitracin c) cephalosporin d) penicillin e) polymyxin
1 Answer
during meiosis, a process known as crossing over occurs. which of the following is true of crossing over? choose 1 answer: choose 1 answer: (choice a) a crossing over occurs more often in male gametes than female gametes. (choice b) b a chiasma indicates that a crossover has occurred. (choice c) c segments of dna are traded between unrelated chromosomes. (choice d) d most homologue pairs do not have any crossover events
1 Answer
: what makes multidrug efflux pumps such a dangerous resistance mechanism? choose one: a. they are low energy systems so are inexpensive to the bacterium. b. while they are limited to very few pathogens right now, the potential from spread is high. c. they are found naturally in non-pathogenic strains so will appear in emerging diseases. d. they can export a wide range of antibiotics almost regardless of structure.
1 Answer
hormonal regulation of fluid and electrolytes during exercise discuss the changes that occur in fluid and electrolyte homeostasis during exercise and the hormones responsible for regulating these variables. what factors stimulate their release, what are their actions, how do they work together, and so on? g
1 Answer
what kind of cells inject lethal injections in foreign cells and molecules they encounter and recognize causing the cells to commit apoptosis? group of answer choices natural killer cells red blood cells phagocytic cells b cells g
1 Answer