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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 one month ago
 7 replies
 1 Medal
Mathematics

aroub:
Group Title
The pedigree below illustrates the inheritance pattern of sickle cell anemia.
 updated one month 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 one month 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 one month 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 one month 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 one month 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 one month 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 one month 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 one month 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 2 months ago
 11 replies
 3 Medals
Mathematics

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

aroub:
Group Title
Please integrate cos^2x showing steps :)
 updated 3 months ago
 7 replies
 2 Medals
Mathematics

aroub:
Group Title
Given xy+y^2=x+2, find d^2y/dx^2
 updated 4 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 4 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 4 months ago
 32 replies
 6 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 4 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 4 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 4 months ago
 1 reply
 No Medals Yet
Mathematics

aroub:
Group Title
Evaluate lim x>pi/6 (sqrt3 cosx)
 updated 5 months ago
 77 replies
 2 Medals
Mathematics

aroub:
Group Title
evaluate lim x> pi/3 (tanx/x)
Answer=1?
 updated 5 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 5 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 9 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 9 months ago
 5 replies
 No Medals Yet
Mathematics

aroub:
Group Title
Just part (b) please :) I don't get the question.
 updated 9 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 9 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 2 years 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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