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Biology
Jeffrey Montes
Truffles are the fruiting bodies of certain fungi whose mycelium grows below ground. The truffle is also underground and can be detected by many mammals, which eat the truffle and expel the spores with their feces. Which of the following statements is likely accurate with respect to this interaction?
a. Truffles probably produce toxins that can harm the mammals that eat them.
b. The truffle spores are probably wind-dispersed.
c. Truffle fruiting bodies are important in the decomposition of wood.
d. Truffles produce an odor that mammals can detect and find attractive.
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Biology
Cornelius Roberson
Why are horses and donkeys considered different species even though they can interbreed?
A) because horses and donkeys are not morphologically similar
B) because they came from different ancestors
C) because their offspring are infertile
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Biology
Esther
Describe the practice of no-till farming.
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Biology
Lucas Rodgers
An element's atomic number is 49. How many electrons would an atom of this element have?
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Biology
Yadiel Spencer
Which is the ability of a cell membrane to allow materials to pass through it called
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Biology
Shnookie
The brain and spinal cord are formed from
a. the notochord, which forms from endoderm
b. the neural tube, which forms from mesoderm
c. the neural tube, which forms from ectoderm
d. the notochord, which forms from mesoderm
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Biology
Rowan Ramsey
Missy spencer was given penicillin for tonsillitis. she developed a severe life-threatening allergic (hypersensitivity) reaction to the penicillin. her medical file records this reaction as a (n) :
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Biology
Cynthia Hendricks
What situation most likely explains the occasional high frequency of certain inherited disorders among human populations established by a small population? view available hint (s) what situation most likely explains the occasional high frequency of certain inherited disorders among human populations established by a small population? nucleotide variability bottleneck effect founder effect mutation gene flow?
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Biology
Keaton Chase
Which of these tissues stores minerals? bone, muscle, nerve, or blood
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Biology
Jared Atkins
What is the similarities between fault and fracture?
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Biology
Shaylee
Role of oxygen in active transport
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Biology
Abram Barr
During gestation embryos normally develop in
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Biology
Aileen
How many alleles does a gamete carry for each trait?
A. one
B. two
C. millions
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Biology
Colten Vance
Burying beetles of both sexes show high investment into parental care of their offspring. Based on this fact, what is probably true about burying beetles as compared to species with little parental care?
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Biology
Nellie
Silk is composed of β sheets whose polypeptide chains consist of the repeating sequence of Gly-Ser-Gly-Ala-Gly-Ala. Based on this example, what characteristics of amino acid side chains appear to favor the β sheet configuration? a. a large side chainb. a basic side chainc. a polar side chaind. a nonpolar side chain
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