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0 
Questions Asked

aroub:
Group Title
what activates the trp operon in a bacterium cell?
I say the presence of tryptophan, but the answer key says the absence of tryptophan so …
 updated 6 days ago
 7 replies
 1 Medal
Mathematics

aroub:
Group Title
The pedigree below illustrates the inheritance pattern of sickle cell anemia.
 updated 6 days ago
 17 replies
 1 Medal
Mathematics

aroub:
Group Title
A son with cystic fibrosis (autosomal recessive) is born to a couple who appears to be normal. What are this couple's chances of having a ch…
 updated 6 days ago
 17 replies
 3 Medals
Mathematics

aroub:
Group Title
In a fruit fly experiment, two grey bodied fruit flies produce mostly grey bodied offspring, but some offspring have black bodies.
i) If t…
 updated 6 days ago
 9 replies
 1 Medal
Mathematics

aroub:
Group Title
How can I recognise if it's autosomal dominant, autosomal recessive, xlinked recessive or ylinked recessive?
 updated 6 days ago
 5 replies
 1 Medal
Mathematics

aroub:
Group Title
The pedigree shows a family history of right/left handedness. Right handedness is dominant over left handedness.
If D marries a left han…
 updated 7 days ago
 29 replies
 2 Medals
Mathematics

aroub:
Group Title
Two heterozygous parents of genotype AaBb are crossed together. Assuming independent assortment, the chance for an offspring to phenotypical…
 updated 7 days ago
 8 replies
 1 Medal
Mathematics

aroub:
Group Title
If 23 white, 26 black, and 53 grey coloured offspring resulted from the mating of two grey coloured pigeon birds.
a) what percentage of th…
 updated 7 days ago
 35 replies
 2 Medals
Mathematics

aroub:
Group Title
The plants in F1 (TTGG x ttGG) were allowed to undergo selfpollination. The expected phenotypic ratio to be obtained is? Show me how please…
 updated 7 days ago
 30 replies
 1 Medal
Mathematics

aroub:
Group Title
Find the area of the region bounded by the curve y=x^2, and the lines y=2x, x=3, and x=3.
(x=3 & x=3 confused me a bit)
…
 updated one month ago
 11 replies
 3 Medals
Mathematics

aroub:
Group Title
can you split it like this?
 updated 2 months ago
 10 replies
 3 Medals
Mathematics

aroub:
Group Title
Please integrate cos^2x showing steps :)
 updated 2 months ago
 7 replies
 2 Medals
Mathematics

aroub:
Group Title
Given xy+y^2=x+2, find d^2y/dx^2
 updated 3 months ago
 28 replies
 3 Medals
Mathematics

aroub:
Group Title
Study the behaviour of the function given by
x=x(t)=t^21
y=y(t)=t^2+t …
 updated 3 months ago
 8 replies
 5 Medals
Mathematics

aroub:
Group Title
construct a table of variation of y'
x=x(t)=t2
y=y(t)=t^3+t
 updated 3 months ago
 32 replies
 5 Medals
Mathematics

aroub:
Group Title
Study the behavior of the function given by
x=x(t)=2t^2+1
y=y(t)=2t^2+t
…
 updated 3 months ago
 8 replies
 3 Medals
Mathematics

aroub:
Group Title
Can someone please help me in parametric curves? How do you pick the additional points? Or they could be literally any points? & how many do…
 updated 3 months ago
 9 replies
 1 Medal
Mathematics

aroub:
Group Title
A body moves in a simple harmonic rotational motion of amplitude 2 revolutions and of frequency 0.5 Hz.At t=0, x=4pi radians. Determine the …
 updated 3 months ago
 1 reply
 No Medals Yet
Mathematics

aroub:
Group Title
Evaluate lim x>pi/6 (sqrt3 cosx)
 updated 4 months ago
 77 replies
 2 Medals
Mathematics

aroub:
Group Title
evaluate lim x> pi/3 (tanx/x)
Answer=1?
 updated 4 months ago
 31 replies
 3 Medals
Mathematics

aroub:
Group Title
evaluate the limit: lim x> pi/3 (p(x)+x^2sqrt3) if lim p(x)=sqrt3
Answer= 1.0966??
 updated 4 months ago
 10 replies
 1 Medal
Mathematics

aroub:
Group Title
The resultant of P and Q is a force of magnitude 10N acting in a direction with a bearing of 120. The force P has magnitude 7N and acts due …
 updated 8 months ago
 3 replies
 No Medals Yet
Mathematics

aroub:
Group Title
Two forces, (4i5j)N and (pi+qj)N. The resultant of the two forces is R. Given that R acts in a direction which is parallel to the vector (i…
 updated 8 months ago
 5 replies
 No Medals Yet
Mathematics

aroub:
Group Title
Just part (b) please :) I don't get the question.
 updated 8 months ago
 5 replies
 No Medals Yet
Mathematics

aroub:
Group Title
If they told you a body is at equilibrium, or if it's uniform, or if it's nonuniform. What do you get from these informations? I'm talking …
 updated 8 months ago
 3 replies
 2 Medals
Mathematics

aroub:
Group Title
The distance from T to W is 20 km and the bearing of T from W is 070. The bearing of a car C and a truck K are respectively 130 and 150 from…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

aroub:
Group Title
When is the moment zero?
 updated 2 years ago
 12 replies
 2 Medals
Mathematics

aroub:
Group Title
State the steps used to construct a segment of length d such that a/b =c/d given three other segments of length a, b and c O.o
 updated 2 years ago
 6 replies
 2 Medals
Mathematics

aroub:
Group Title
Given a ∆PQR, what is the locus of points that are equidistant from R at a distance QR?
idk, maybe a circle with center R and and a radi…
 updated 2 years ago
 11 replies
 No Medals Yet
Mathematics

aroub:
Group Title
In a plane, what is the locus of points equidistant from the endpoints of a segment AB of length 10 cm?
umm, I'm thinking it is a perpend…
 updated 2 years ago
 10 replies
 1 Medal
Mathematics
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