TLS Online TPP Program

#Question id: 5666


 When the extracellular side of the receptor binds resact, it activates latent guanylyl cyclase in the cytoplasmic side of the receptor. Active guanylyl cyclase causes the sperm cell to produce more cyclic GMP (cGMP), this compound_____

#Unit 5. Developmental Biology
  1. activates a calcium channel in the cell membrane of the sperm tail, allowing the influx of calcium ions (Ca2+).

  2. activates a sodium channel in the cell membrane of the sperm tail, allowing the influx of sodium ions (Na2+).

  3. activates a calcium channel in the cell membrane of the sperm tail, allowing the efflux of calcium ions (Ca2+).

  4. activates a sodium channel in the cell membrane of the sperm tail, allowing the efflux of sodium ions (Na2+).

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TLS Online TPP Program

#Question id: 10268

#Unit 8. Inheritance Biology

In cats, black coat color is dominant over gray. A female black cat whose mother is gray mates with a gray male. If this female has a litter of six kittens, what is the probability that three will be black?

TLS Online TPP Program

#Question id: 10269

#Unit 8. Inheritance Biology

If the probability of being blood-type A is 1/8 and the probability of being blood-type O is 1/2, what is the probability of being either blood-type A or blood-type O?

TLS Online TPP Program

#Question id: 10270

#Unit 8. Inheritance Biology

Mendel crossed tall pea plants with dwarf ones. The F1 plants were all tall. When these F1 plants were selfed to produce F2 generation, he got a 3: 1 tall to dwarf ratio in the offspring. What is the probability that out of three plants (of F2 generation) picked up at random all three would be dwarf?

TLS Online TPP Program

#Question id: 10271

#Unit 8. Inheritance Biology

In cats, black coat color is dominant over gray. A female black cat whose mother is gray mates with a black male whose father is gray . If this female has a litter of 5 kittens, what is the probability that three will be black?

TLS Online TPP Program

#Question id: 10272

#Unit 8. Inheritance Biology

Specific place on a chromosome occupied by an allele

TLS Online TPP Program

#Question id: 10273

#Unit 6. System Physiology – Plant

The existence of different pathways that serve a similar function and can replace each other without a clear loss in function is called,