TLS Online TPP Program

#Question id: 11539


Aspirin and ibuprofen both ________.

#Unit 7. System Physiology – Animal
  1. inhibit the synthesis of prostaglandins
  2. inhibit the release of nitric oxide, a potent vasodilator
  3. activate the paracrine signaling pathways that form blood clots
  4. stimulate vasoconstriction in the kidneys
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TLS Online TPP Program

#Question id: 4788

#Unit 8. Inheritance Biology

The wild-type (W) Abraxas moth has large spots on its wings, but the lacticolor (L) form of this species has very small spots. Crosses were made between strains differing in this character, with the following results:

 What are correct conclude from genetic explanation of the results in these two crosses

a. female are heterogametic but male are homogametic for sex chromosome

b. female are homogametic but male are heterogametic for sex chromosome

c.Trait  for spot shape linked with sex chromosome

d. Trait  for spot shape linked with autosome chromosome

e. Gene  for spot shape  present on  mitochondrial genome

TLS Online TPP Program

#Question id: 9569

#Unit 10. Ecological Principles

Certain thermophilic bacteria live in hot springs at temperatures close to the boiling point of water. What challenges do such bacteria overcome successfully?

TLS Online TPP Program

#Question id: 12611

#Unit 10. Ecological Principles

Researchers in the Netherlands studied the effects of parental caregiving in European kestrels over 5 years. The researchers transferred chicks among nests to produce reduced broods (three or four chicks), normal broods (five or six),  and  enlarged  broods  (seven  or  eight).  They then measured the percentage of male and female parent birds that survived the following winter. (Both males and females provide care for chicks.) Brood Size Manipulations in the Kestrel: Effects on Offspring and Parent Survival

 
Which of the following is a conclusion that can be drawn from this graph?

TLS Online TPP Program

#Question id: 28855

#Unit 2. Cellular Organization

which protein promotes breakage by extracting tubulin subunits from the wall of the microtubule (also releases microtubules from MTOCs) ?

TLS Online TPP Program

#Question id: 12667

#Unit 10. Ecological Principles

Which of the following is true?