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4 years ago

Which letter represents the region that combines several minor calyces to form two or three major calyces?

Biology

1 answer:

Alex73 [517]4 years ago

7 0

Renal pelvis represents the region that combines several minor calyces to form two or three major calyces.

In humans, the renal pelvis is the point of convergence of two or three major calyces. Each renalpapilla is surrounded by a branch of the renal pelvis called a calyx. The major function of the renal pelvis is to act as a funnel for urine flowing to the ureter.

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Now consider a single base mutation in a codon for leucine that creates a codon for phenylalanine. A true reversion changes the

madam [21]

Answer:

options A, B, D and E

Explanation:

leucine codons include: UUA, UUG, CUU, CUC, CUA, CUG

phenylalanine codons include: UUU, UUC.

CUU

replace C with U to give

UUU phenylalanine codon

replace underlined with A

UUA leucine codon

CUC

replace underlined with U

UUC phenylalanine codon

replace underlined with A or G

UUA, UUG leucine codons

UUG

replace underlined with U

UUU phenylalanine codons

replace underlined with C

CUU leucine codon

UUA

replace underlined with U or C

UUU or UUC phenylalanine codons

replace U with C

CUU or CUC leucine codons

7 0

3 years ago

The process of DNA replication occurs just before

Maurinko [17]

Answer;

Mitosis

DNA replication occurs right before mitosis

Explanation;

-DNA replication is process of making new cells where a DNA molecule is used as a primer to form new DNA strands. The process is catalyzed by DNA polymerase enzyme to form new strands of DNA that have one new strand and another one from the original DNA.

-Mitosis is a type of cell division that occurs in the body cells which involves a cell dividing into two daughter cells that have the same number of chromosomes as the parent cells.

8 0

3 years ago

HELP ASAPPPPPPPPPPPPPPPPPPPPPPPPP

Anarel [89]

Energy Processing: could be wrong
Explanation: Energy Processing is when a newborn animal is well fed by eating food not from their mother.

5 0

3 years ago

Scientists hypothesize that there are no dinosaurs alive today because

Vikki [24]

Answer:

There are several hypotheses as to why Earth's climate changed: an ice age and a meteor collision are two. Regardless of why the climate changed, dinosaurs could not adapt to a new environment to avoid extinction. Mammals did not become a dominant species on Earth until the extinction of dinosaurs.

7 0

3 years ago

Read 2 more answers

What properties of carbon explain carbons ability to form different large and complex structures?

Anton [14]

carbon has four valence electrons in its outermost shell .. which makes it able to form four bonds to complete its valence shell ..
it forms large number of chains with its own self which makes it useful .. also it forms bonds with oxygen and hydrogen forming large organic compounds of great importance ..

4 0

4 years ago