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mylen [45]
3 years ago
6

Scientists found evidence of past glacial activity In Massachusetts. Which of the following conclusions is best supported by thi

s evidence?
Biology
1 answer:
Natasha2012 [34]3 years ago
4 0
Your answer would be... B. The climate on Earth has changed over time.
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Alleles can be described as 1. dominant 11. recessive III. codominant IV. partially dominant V. incompletely dominant O A. I, II
joja [24]

Answer:

A. I, II, III, and V only

Explanation:

In genetics, an allele refers to the specific form of a gene, which encodes traits. These alleles are usually in pairs in a diploid organism i.e. an organism with two sets of chromosomes. According to Gregor Mendel,

- An allele can either be DOMINANT when the allele masks the phenotypic expression of its allelic pair while the allele that is masked is said to be RECESSIVE.

- Two alleles can also be CO-DOMINANT when the two alleles are neither dominant or recessive over one another but are simultaneously expressed in that particular gene.

- Alleles can also be INCOMPLETELY DOMINANT when one allele is not completely dominant over the other, hence, forms a third intermediate phenotype when in combination with the second allele i.e. in an heterozygous state.

Based on this, an allele can be dominant (I), recessive (II), codominant (III), and incompletely dominant (V).

8 0
3 years ago
Most neurodegenerative diseases involve inability to remove misfolded/aggregated proteins. The cellular organelle that often fai
klasskru [66]

Answer: c. proteasome

Explanation:

Proteasomes are extremely important multi-catalytic proteases and are involved in various cellular functions. The proteasome is an essential component of eukaryotic cells and is responsible for the ATP-dependent proteolytic degradation of most cellular proteins. They are present in the nucleus and cytosol and can represent up to 1% of total cell proteins. Proteasomes generally degrade proteins to small peptides, most of which are rapidly hydrolyzed by cytoplasmic exopeptidases. It catalyzes the rapid degradation of many enzymes, regulatory proteins, and eliminates abnormal proteins resulting from mutation or damaged proteins. The inability of this cellular organelle can lead to neurodegenerative diseases, such as Parkinson´s disease.

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3 years ago
110 points URGENT HELP WILL GIVE BRAINLIEST
lubasha [3.4K]

D) Pituitary


The reason for the answer being choice D is because the pituitary gland is a small pea-sized body attached to the base of the brain. The pituitary gland is important in controlling growth and development and the functioning of the other endocrine glands.

5 0
3 years ago
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What direction does energy transfer when it stops
Marina CMI [18]

Answer:

The direction of energy transfer is ALWAYS from hot --> cold.

Explanation:

hope it helps

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2 years ago
Explain how the human immune system responds to a viral infection.
nikdorinn [45]
Infected cells create and release small proteins known as interferons, which help the immune system fight viruses. Interferons stop viruses from replicating by interfering with their ability to multiply within infected cells.
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1 year ago
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