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Reil [10]
4 years ago
6

No net primary production occurs __________. below the ocean depth where light is 1% of surface light below the compensation dep

th where respiration equals or exceeds production all of the above are correct. none of the above is correct.
Biology
1 answer:
olga55 [171]4 years ago
3 0
No net primary production occurs BELOW THE OCEAN DEPTH WHERE LIGHT IS 1% OF SURFACE LIGHT.

Net primary production = <span>gross photosynthetic carbon fixation - the carbon respired to support maintenance requirements of the whole plant.

In short, net primary production is the "available" carbon left for to aid in plant growth and consumption of other heterotrophic organisms.</span>
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Where is ciliated epithelium found and what role does it play?
Andru [333]

Answer:

Explanation:

Firstly, let us break down the components:

A cilia is a hair-like structure positioned on a tissue for locomotive purposes

Epithelium is a type of tissue

Therefore, a ciliated epithelium is a kind of tissue that contains hair-like structures called cilia for locomotion. They can be found in our respiratory tracts lining, the fallopian tube of human females, brain etc. where they mainly perform the function of moving particles.

They help move foreign particles like dust from our respiratory tracts, they help move the egg from the ovary to the uterus of women, they also move cerebral spinal fluid in the brain.

Ciliated epithelium contains goblet cells, that secretes mucous to provide the moist medium for locomotion

7 0
4 years ago
If you count 52 purple rough corn kernels and 50 yellow smooth corn kernels how many people smooth corn kernels should you expec
Vitek1552 [10]

Answer:

17

Explanation:

In corn,

Smooth kernel (S) is dominant to rough kernel (s)

Purple kernel (P) is dominant to yellow kernel (p)

Since no information has been given about the cross here let us assume it to be a standard dihybrid cross.

The phenotypic ratio of dihybrid cross is 9:3:3:1. 9/16 will show dominant phenotype for both traits, 3/16 will show dominant phenotype for one trait, other 3/16 will show dominant phenotype for the second trait, 1/16 will have recessive phenotype for both the traits.

Here,

Purple rough (P_ss) = 52

Yellow smooth (ppS_) = 50

Both of them show dominant phenotype for one trait so they each form 3/16 of the progeny.

If the total progeny was z, 3/16*z = 50

z = (50*16)/3 = 267

Total progeny = 267 kernels

Yellow rough kernels (ppss) = (1/16*267) = 17

So approximately 17 corn kernels will be yellow and rough.

8 0
3 years ago
Cuales mejor resume el proceso científico que condujo a nuestra comprensión actual del ADN?
soldier1979 [14.2K]

Answer:

B. Scientist built on the previous work of other scientist to make new discoveries.

Explanation:

in spanish

B. El científico se basó en el trabajo previo de otro científico para hacer nuevos descubrimientos.

8 0
3 years ago
Which of the following statements regarding transcellular transport is NOT true? The movement of glucose into the blood is media
alexira [117]

Answer:

Tight junctions are specialized regions of the plasma membrane that mediate separation of the apical and basolateral membranes.

Explanation:

Transcellular Transport is the pathway in intestinal epithelial cells where particles move from one cell to another depending on the physicochemical properties of the particles passing both the the apical membrane and basolateral membrane. Tight junctions create a paracellular barrier in epithelial and endothelial cells protecting them from the external environment

6 0
3 years ago
Which of the following would cause an error in DNA replication?
enot [183]
I've seen this question before, I think you have incorrect choices

The correct answer is: DNA polymerase pairingnew As with Gs.


not Cs with Gs .
8 0
3 years ago
Read 2 more answers
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