USABO Bundled exams 2024 with 100% correct answers

Mycorrhizae correct answersSymbiotic organisms (aka symbionts) with plants that live on their roots, helping the plant gain nutrients Nerve net correct answersA nervous system that moves neural signals in all directions from the stimuli, found in invertebrates like hydra Malpighian tubules cor...

In the extracellular matrix of an animal cell, you would like to test the binding partner of integrins in vitro. Integrins would most likely require firm attachment to which of the above option? correct answersActin You are working with Dr. Lee at University of Wisconsin-Madison to investigate cy...

root system correct answersthe entire set of plant roots that anchor the plant, absorb and transport minerals and water, and store food shoot system correct answersthe aerial portion of a plant body, consisting of stems, leaves, and (in angiosperms) flowers photosynthate correct answersa sugar...

Emergent Properties correct answersDue to the arrangement and interaction of parts as complexity increases. pg 3 Reductionism correct answersThe reduction of complex substances to simpler components that are manageable to study. This is a powerful strategy in biology. pg 3 benign tumor correct...

What enzyme does HIV use to convert RNA to DNA? correct answersReverse Transcriptase The promoter region of a prokaryotic gene is located ______ to the gene and is the binding site for ______. correct answers5'...RNA polymerase Which of the following is TRUE of prokaryotes? I. Simultaneous ...

Eukaryote correct answersAn organism whose cells contain complex structures enclosed within membranes. The defining membrane bound structure thats sets them apart from prokaryotic cells is the nucleas or nuclear envelope within which the genetic material is carried. All species of large complex spec...

Which statement is true about enzymes? Enzymes... A. Are made up of a base containing nitrogen, phosphate, and ribose. B. Have activity that is independent of temperature and pH. C. Lose some or all of their normal activity when their 3-D structure is disrupted. D. Provide the activation ener...

iodine deficiency correct answersgoiter ethane correct answersC2H6 propane correct answersC3H8 butane correct answersC4H10 methane correct answersCH4 enantiomers correct answersmirror image isomers hydroxyl correct answers-OH carbonyl correct answersC=O carboxyl correct answe...

axon hillock correct answersthe cone-shaped area on the cell body from which the axon originates -trigger zone hyperopia correct answersA condition in which visual images come to a focus behind the retina of the eye and vision is better for distant than for near objects -- called also farsighted...

insterstitial fluid correct answersfluid located between cells and among tissues cuboidal epithelium correct answerscube shaped epithelial cells that function in secretion, and are located in various endocrine glands simple columnar epithelium correct answerslines intestines, secretes digestiv...

Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrit...

vitamin b1/thiamine correct answerscoenzyme in TCA, beriberi (anemia, nerver disorders, emaciation) vitamin b2 (riboflavin) correct answersFAD and FMN (angular chelitis) (ETC) niacin correct answersNAD+ and NADP+ vitamin b6 (pyridoxine) correct answersamino acid metabolism (numb feet, bad c...

biological form is known as this correct answersanatomy biological function is known as this correct answersphysiology this term means tapered on both ends; streamlined body contour correct answersfusiform rate of exchange (for things like nutrients, waste products, and gases) is proportion...

[WARNING: INVALID] 1. What does this experiment tell us? Choose ALL that apply. A. Both B cells and T cells can produce antibodies. B. Both B cells and T cells have memory functions. C. Both B cells and T cells are required for an antibody response. D. B cells are required for an antibody r...