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zubka84 [21]
3 years ago
7

Describe two ways that ocean temperature can affect marine organisms.

Biology
1 answer:
alukav5142 [94]3 years ago
3 0

Answer:

Temperature can alter the number and diversity of species by changing larvae development time. Also if it is too hot or too cold, it can kill animals creating a chain of death and destruction because each animal is dependent on another.

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Explain why disease alleles for cystic fibrosis (CF) are recessive to the normal alleles (CF+), yet the disease alleles responsi
Korvikt [17]

Answer:

Cystic fibrosis mutation is recessive to normal allele because only one functional or normal allele is enough to produce a functional protein. So, if mutation is present in one allele then also, a normal protein can be made from normal allele. The presence of normal protein prevents the expression of disease.

In addition, mutated allele only results in the loss of function of protein which can be compensated by the expression of normal allele. It does not add any toxic effect to the protein. Consequently, the disease is inherited in autosomal recessive fashion.

In contrast, Huntington mutation not only alters the structure of the functional protein but also adds toxicity to it. The altered protein is enable to interact with 100s of other proteins and inhibit or decrease their function. So, if only one allele is present then also, the mutated protein will be produced and it will result in the phenotype. Consequently, it is inherited as autosomal dominant fashion.

4 0
3 years ago
How are the testes and ovaries similar?
Viktor [21]

Answer:

I think A. Both store mature sex cells

Explanation:

i need help

7 0
3 years ago
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Transcription begins at a promoter. What is a promoter? a. A site in DNA that recruits the RNA Polymeraseb. Part of the RNA mole
arsen [322]

The correct answer is: a. A site in DNA that recruits the RNA Polymerase

Promoters are regions of DNA molecule located near the transcription start codons of genes, usually upstream on the DNA with the function to initiate DNA transcription. Promoters contain specific DNA sequences (e.g. TATA boxes) that are binding sites for the enzyme RNA polymerase and transcription factors that recruit RNA polymerase. Transcription factors can regulate gene expression and act as activators or repressors depending on sequences that attach to specific promoters.

5 0
3 years ago
Point source pollution is much more difficult to track and clean up than nonpoint source pollution. Please select the best answe
LekaFEV [45]
Point source pollution is a single, identifiable location of a pollution like a drainage or a pipe. On the other hand non-point source pollution refer to wastes that are disposed at a wide area and cannot be easily determined where the sources are. The answer for this is false. It is the non-point source pollution that is difficult to track and to control.
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3 years ago
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Cell 1 contains 46 chromosomes. How many chromosomes will ther be in cell 10
Alina [70]
Cell ten will have 460 chromosomes
8 0
3 years ago
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