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3 years ago

What unique features do the cells along the digestive tract have

Biology

1 answer:

IrinaK [193]3 years ago

5 0

Answer:

They have microvilli

Note:

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Arrange these words in a correct order: community, cell, organism, organ system, biosphere, molecule, tissue, organelle, populat

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Molecule, organelle, cell, tissue, organ, organ system, organism, community, population, ecosystem, biosphere

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3 years ago

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What is true about concerning sources of water pollution

allsm [11]

Answer:

it can result in fish kills and restrictions on human consumption it can change the physiology of fish it can cause long-term alterations of aquatic ecosystems

Explanation:

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3 years ago

1. You homogenize a cell and isolate it from a vesicle derivative from the endoplasmic reticulum. When their biochemistry was an

Phoenix [80]

Answer:

SER, they are capable of synthesizing testosterone of Adrenocortical cells.

Explanation:

Adrenal smooth microsomal cells are enriched in smooth endoplasmic reticulum SER, membranes of which contain high levels of translocation apparatus and oligosaccharyltransferase complex proteins. STEROID-SECRETING CELLS are characterized by abundant smooth endoplasmic reticulum (SER). These cells synthesize cholesterol as a precursor for steroid hormones or take up this substrate from plasma lipoproteins. Many of the enzymes for sterol and steroid synthesis are localized in the smooth-surfaced endoplasmic reticulum. This organelle is particularly prominent in cells of the inner zones of the adrenal and fluctuates in amount and configuration in response to hormonal stimulation and sterol levels.

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3 years ago

Which of the following statements about the functional consequences of single base-pair mutations are TRUE? Select the three cor

Alchen [17]

Answer:

these statements are true

B) Insertions or deletions of single base-pairs within a protein coding sequence probably change the amino acid sequence

D) Missense mutations always change the amino acid sequence encoded by a gene

E) Nucleotide substitutions outside of the coding sequence can affect the expression of a gene.

Explanation:

B) insertion or deletion of nucleotide in coding region of DNA can change the amino acid sequence encoded.

D) missense mutation means that the change in nucleotide sequence resulting in change in amino acid sequence encoded by gene.

E) A mutation may alter the promoter of a gene, thereby affecting the rate of transcription.

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3 years ago

What evidence supports the theory of evolution?

Sergio [31]

All of Darwin’s observations would prove this theory true.

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3 years ago