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gulaghasi [49]
3 years ago
5

I need help with these questions!! (Biology) 28 Points!!

Biology
1 answer:
MrRa [10]3 years ago
6 0
1. A disease cause by a very small genetic change. Most cases result from the deleting of three bases in a gene for a protein called cystic fibrosis transmembrane changes which in a gene's DNA sequence can change proteins by altering their amino acid sequences which may affect one's phenotype.

2. It causes a mutation in the number of chromosomes, either extra chromosomes or missing chromosomes. Nondisjunction during meiosis can cause chromosomal disorders , such as a trisomy 21 (down syndrome) , Tuners syndrome , and Klinefelter's syndrome. It is a monosomy of the X sex chromosome.
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Gulf sturgeons, a type of fish, live in saltwater along the gulf coast of Florida. They swim upriver to breed in clean freshwate
kifflom [539]
The answer would be C: The gulf sturgeon population will decline due to loss of habitat
3 0
3 years ago
a reaction that hydrolyzes a phosphodiester bond would cleave a dna molecule between a phosphate group and:
Gnoma [55]

Reactions that hydrolyze the phosphodiester bonds split the DNA molecule between the phosphate groups and the hydroxyl groups of the two sugar groups.

In DNA there is a covalent bond through a phosphate group that connects the hydroxyl group (OH) at the 5' position of the pentose sugar and the hydroxyl group at the 3' position of the pentose sugar of the next nucleotide. This covalent bond is called a phosphodiester bond because chemically the phosphate group is in the diester form.

In other words, the phosphodiester bond connects the sugar in one nucleotide to the sugar in the next nucleotide, so this bond simultaneously connects the two consecutive nucleotides to form a polynucleotide chain. If there is an enzyme that catalyzes the hydrolysis of covalent bonds that combine nucleotides, what happens is that the phosphodiester link between deoxyribose sugars will break.

Learn more about the phosphodiester bonds at brainly.com/question/23660733

#SPJ4

6 0
1 year ago
In pure water a red blood cell from an animal will swell and burst but a leaf cell from a plant will not.Which structure in the
____ [38]

Cell wall is the structure in the leaf cell that is responsible for this difference.

7 0
3 years ago
Read 2 more answers
In which type of environment might water soluble rocks such as limestone or dolostone become ridge formers?
Sergeeva-Olga [200]
I would say that the most likely environment for these two rock types to be ridge formers would be an arid climate like a desert where there was little water to dissolve. Also, even in a normal temperate environment, dolomite can form a very resistant ridge or cliff former as is the case with the Palliser Formation in Banff Park which forms a pronounced cliff which is very extensive.
8 0
3 years ago
Dan made the table shown to describe two different relationships between animals.
kompoz [17]
I believe the answer is commensalistic because it wouldnt be parasitic because the other isnt getting harm and its not mutual because both aren’t benefitting from it
4 0
3 years ago
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