13. Which process requires cellular energy?

Biology

1 answer:

Aleks04 [339]4 years ago

3 0

Answer:

Some such means, like diffusion and osmosis, are natural processes that require no expenditure of energy from the cell and are called passive transport. Other methods of transport do require cellular energy and are called active transport.

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Biochemical tests of tissue and bone samples measure a person's nutrition status.

mixer [17]

Biochemical tests of tissue and muscle samples measure a persons nutrition status. B.False

4 0

3 years ago

red-green color blindness is an x-linked recessive disorder. if the mother is RGCB and the father has normal vision, what are th

victus00 [196]

Answer:

The correct answer would be -

RGCB daughter - 0%

RGCB sons - 100%

Explanation:

Red-green color blindness is a sex-linked recessive disease that means it will only express in absence of the normal allele that is present on X-chromosomes. As it is known that males have only one X-chromosomes therefore, the chances are more in males to be affected in presence of the recessive gene. In this given case women s RGCB and man has normal vision. The genotype of women would be both recessive alleles XcXc and genotype of man would be XY.

The gametes would be - Xc, Xc and X, Y

then the cross:

Xc Xc

X XXc XXc

Y XcY XcY

so the offspring would be -

Carrier female = XXc (50% chance in total and 100% in daughters)

RGCB daughters = 0%

RGCB male = XcY (100% in sons and 50% of total children)

5 0

3 years ago

List of organelles found in both prokaroyets and eukaryotes

Triss [41]

All cells have a plasma membrane, ribosomes, cytoplasm, and DNA.
Prokaryotic cells lack a nucleus and membrane-bound structures.
Eukaryotic cells have a nucleus and membrane-bound structures called organelles.

3 0

3 years ago

HELP PLEASE!!!!!!!!!!

bija089 [108]

Answer:

130 s or 2 min and 10 sec

Explanation:

$x \: = vt$