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Nuetrik [128]
3 years ago
15

A disease called phenylketonuria causes mental problems, reduces skin pigmentation, and also affects the coloration of urine. Wh

at kind of effect is exhibited by the gene responsible for this disease?
Biology
1 answer:
Savatey [412]3 years ago
6 0
Pleiotropic which means a gene affects multiple traits

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What do you think will happen to the planet if plants are drastically reduced in population or become extinct?
Inessa [10]

Answer:

If all the plants on earth died, so would the people. ... When green plants make food, they give off oxygen. This is a gas that all animals must breathe in order to stay alive. Without plants, animals would have no oxygen to breathe and would die.

3 0
3 years ago
In order to read any data using python pandas package what are the 2 most important factors? quizlet
goldenfox [79]

The pandas package in python is a versatile library which is capable of displaying data in a table format which allows data analysis to be easily performed. Reading data using the python package requires that the format of the file to be read and the file path is explicitly stated.

  • The pandas module has the ability to read a whole of different file formats by using the appropriate read functions such as read_csv, read_excel and so on.

  • The format of the file to be read may be ; .csv, .xlsx, .txt abd so on. The appropriate format of the file has to be stated with the file path of the file.

  • The file path refers to the location in which the file is on the computer. This path has to be stated so that pandas knows where to locate the file.

Therefore, the pandas module requires that the format and file path ls stated when reading a file.

Learn more :brainly.com/question/24937822

3 0
2 years ago
Which statements about the modification of chromatin structure in eukaryotes are true? Select all that apply. View Available Hin
Kay [80]

The correct answers are:  

  • Methylation of histone tails in chromatin can promote condensation of the chromatin.
  • DNA is not transcribed when chromatin is packaged tightly in a condensed form.
  • Acetylation of histone tails is a reversible process.
  • Some forms of chromatin modification can be passed on to future generations of cells.  
  • Acetylation of histone tails in chromatin allows access to DNA for transcription.

Histone modifications are post-translational modifications of histone protein that can affect gene expression by altering chromatin structure or recruiting histone modifiers.The most common modifications are methylation, phosphorylation, acetylation and ubiquitylation. All of them affect the binding affinity between histones and DNA and thus loosening (gene activation) or tightening (gene repression) the condensed DNA.

Histone methylation is a transfer of methyl group by histone methyltransferases to lysine or arginine amino acid of protein. Effect of methylation depends on the type of protein that is modified. Demethylation is the reverse process.

Histone acetylation is the process of adding of an acetyl group(by  histone acetyltransferases) to histone proteins and it can also activate or inhibit the gene expression. Deacetilation is reverse process.

7 0
3 years ago
Please answer quickly
HACTEHA [7]

Answer:

which one is it 9 42 or 12?

3 0
3 years ago
Which of the following is not a way that sexual reproduction increases genetic diversity?
cricket20 [7]

Answer:

Combined parenting leads to faster reproduction

Explanation:

Genetic diversity or variations in the physical appearance of organisms is caused by genetic or environmental factors. Reproduction brings about variation through gamete formation, fertilization and mutations.

During prophase 1 of meiosis, homologous chromosomes pair to form bivalents. The crossing over at the chiasmata results in new gene combination and variations.

Fertilization permits parental genes to be brought together. This causes variations in members of the same family.

Mutation is the spontaneous change in genetic make-up. These changes may be inherited by offspring bringing variations. However, combining parenting does not increase genetic diversity.

5 0
3 years ago
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