TLS Online TPP Program

#Question id: 4600


Scientific theories ________.

#XL - S Microbiology
  1. are nearly the same things as hypotheses

  2. are supported by, and make sense of, many observations

  3. cannot be tested because the described events occurred only once

  4. are predictions of future events

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TLS Online TPP Program

#Question id: 20090

#XL - P Chemistry

Mention number of bonding electron pairs and nonbonding electron pairs in NO3- ion

TLS Online TPP Program

#Question id: 2196

#XL - S Microbiology

Substance X is a charged molecule of small molecular weight. It is found at higher concentrations outside of cells than inside. How might substance X enter cells?

TLS Online TPP Program

#Question id: 5689

#XL - R Botany

What kind of aneuploidy gamete will be generated if meiotic nondisjuction in second division (n represent haploid number of chromosome )

TLS Online TPP Program

#Question id: 15409

#XL - S Microbiology

 A heterozygous trihybrid corn plant is testcrossed and the following progeny are produced (all traits are recessive to their wildtype alternative);
          booster                              6
          booster, silkless                  137       
          booster, liguleless, silkless      291
          liguleless                          142
          liguleless, silkless                  3
          silkless                            30
          booster, liguleless                  34
          wildtype                            339
What is the order of the loci on the chromosome? 

TLS Online TPP Program

#Question id: 1135

#XL - Q Biochemistry

Which of the following is a direct substrate of MAP kinase?

a. TCF             b. SRF             c. SRE             d. p90RSK      e. CREB