Biology

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Last post by Taylor Hairell-Sweat
in Re: In April 2010 an oil...
on May 11, 2020

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Subject / Started by	Replies / Views	Last post
DNA fragments from a gel are transferred to a nitrocellulose paper during the p Started by camila	2 Replies 629 Views	Jul 9, 2013 by camila
For a repressible operon to be transcribed, which of the following must occur? Started by aero	2 Replies 670 Views	Jul 23, 2013 by aero
If ΨP = 0.3 MPa and ΨS = -0.45 MPa, the resulting Ψ is A) +0.75 MPa. B) -0.75 M Started by Hungry!	1 Replies 579 Views	Aug 31, 2013 by j_sun
In a Hardy-Weinberg population with two alleles, A and a, that are in equilibri Started by Garrulous	1 Replies 555 Views	Jul 10, 2013 by Hawke
In a hypothetical environment, fishes called pike-cichlids are visual predators Started by hummingbird	1 Replies 906 Views	Jun 19, 2019 by Celeste
In C. elegans, ced-9 prevents apoptosis in a normal cell in which of the follow Started by TI	2 Replies 624 Views	Jun 17, 2013 by TI
In mammalian eggs, the receptors for sperm are found in the A) fertilization me Started by sammy	1 Replies 517 Views	Oct 7, 2013 by Yolanda
In the 1640s Jan Baptista van Helmont planted a small willow in a pot that cont Started by Hungry!	1 Replies 445 Views	Aug 26, 2013 by clippers!
Lampreys differ from hagfishes in A) lacking jaws. B) having a cranium. C) havi Started by federox	1 Replies 512 Views	Aug 10, 2013 by theo
Synaptonemal complexes form or are still present. A) I only B) I and IV only C) Started by curlz	4 Replies 1,818 Views	Nov 9, 2014 by scottmt
The water vascular system of echinoderms A) functions as a circulatory system t Started by Charlie	2 Replies 697 Views	Oct 18, 2013 by Charlie
What do the cell walls of plants and the extracellular matrix of animal cells h Started by camila	2 Replies 645 Views	Jul 1, 2013 by camila
Which of the following, if used as a fertilizer, would be most immediately avai Started by Hungry!	1 Replies 447 Views	Aug 25, 2013 by mydiamond
"Smart" plants can reduce overuse of fertilizers by Started by stock	1 Replies 7 Views	Jul 15, 2019 by ebe
"Sticky ends" are Started by 09madisonrousseau09	1 Replies 11 Views	Jul 15, 2019 by robbielu01
"Golden Rice" A) is resistant to various herbicides, making it practical to weed Started by curlz	1 Replies 607 Views	Aug 22, 2013 by mydiamond
"How do seed-eating animals affect the distribution and abundance of the trees?" Started by penza	1 Replies 516 Views	Sep 1, 2019 by Celeste
(a) Describe by labeled diagram the structural components of the lac operon in E. coli. (b) State ... Started by theo	1 Replies 2 Views	Mar 26, 2020 by owenfalvey
(a) What is a tumor-suppressor gene? (b) What are oncogenes? (c) What is the normal (nonmutant) ... Started by awywial	1 Replies 2 Views	Mar 26, 2020 by brittanywood
(No subject) ... Started by jazziefee	1 Replies 9 Views	Feb 27, 2019 by potomatos
) Estradiol is an example of A) an androgen. B) an estrogen. C) a progestin. D) Started by sammy	2 Replies 366 Views	Sep 27, 2013 by sammy
) For a neuron with an initial membrane potential at -70 mV, an increase in the Started by geoffrey	1 Replies 473 Views	Oct 15, 2013 by j_sun
) If the half-life of carbon-14 is about 5,730 years, then a fossil that has one Started by penguins	2 Replies 560 Views	Jul 18, 2013 by penguins
) In the human retina A) cone cells can detect color, but rod cells cannot. B) c Started by go.lag	1 Replies 477 Views	Oct 22, 2013 by strangeaffliction
) Labor contractions can be increased by the medical use of a synthetic drug tha Started by go.lag	1 Replies 654 Views	Sep 29, 2013 by coco

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