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Explanation:
Answer:
regulating the transport of mRNA to the cytoplasm
Explanation:
In eukaryotes, the process of transcription occurs in the nucleus while ribosomes are present in the cytoplasm or on the surface of the rough endoplasmic reticulum. Therefore, the mRNA should leave the nucleus and enter the cytoplasm to serve in the process of protein synthesis. The nuclear envelope contains the nuclear pore complex (NPC). The nuclear pore complex includes several specific nucleoporins embedded in the nuclear envelope.
The NPC serves as the passageway for the transport of mRNA molecules to the cytoplasm. The mature mRNA binds to specific exporter proteins in the nucleus and forms ribonucleoprotein particles that are allowed to pass through the nuclear pore complex.
The middle and carboxyl domain of mRNA exporter binds to the phenylalanine-glycine (FG) repeats in FG nucleoporins to facilitate the mRNA transport. Therefore, the transport of mRNA from the nucleus to the cytoplasm is regulated by the nuclear pore complex. This is how the nuclear membrane is involved in the regulation of gene expression.
Answer:
True
Explanation:
In a criterion validity test, the results of the test are correlated with the outcomes in future. In this study, the measures of gambling is used to depict the possible outcomes. If the clients tested on gambling measure score high, then it gives the relation of their gambling frequency in past.
It is a predictive validity type of criterion validity test in which it is estimated that how likely the test or measure score can depict the future or past behaviour of the client.
Thus it is true
<span>Bromeliads are an example of mutualism where they create mini-ecosystems that house other small animals by collecting rainwater in their leaves. The bromeliad benefits from the nutrients when these organisms decompose when they die. Unlike the Pitcher plants which are predators, they actively trap insects and other small animals in their pitchers.
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The process that is vital in the recycling of carbon, nitrogen and phosphorus is decomposition.
During decomposition, organic matter from dead organisms is broken down. This break down yields simpler and smaller substances from the more complex ones that were present in the organism.
Carbon is released from the carbohydrates and fats that were present in the organism. Nitrogen is released from the proteins that were present and phosphorus is released from the nucleic acids.
