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shutvik [7]
2 years ago
10

Which water depth had the biggest difference in survival rates for embryos with UV-B protection versus embryos without UV-B prot

ection?(A) 0 cm(B) 100 cm(C) 50 cm(D) 10 cm
Biology
1 answer:
Aleonysh [2.5K]2 years ago
6 0

Answer: 10 cm

Explanation:

The water at 10 cm has the biggest survival rate for the embryos with ultraviolet B protection as compared to that of embryo which are not protected by UV-B.

Ultraviolet rays can be very harmful as it can reach the fetus but due to some particles present in water the intensity of UV-B becomes attenuated below 10 cm of water.

So, the correct answer is 10 cm.

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mamaluj [8]

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1.True

2.True

Explanation:

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2 years ago
The lengthy small intestine receives secretions from the ____________ and ____________, completes digestion of the nutrients in
vitfil [10]

Answer:The lengthy small intestine receives secretions from the ______pancrease______ and ______liver______, completes digestion of the nutrients in _________chyme_______, absorbs the products of digestion, and transports the remaining residues to the ________large________ intestine.

Explanation: digestion of food is necessary for absorption of nutrients. In this process food is broken down into forms that can be absorbed by the body . food is broken down by the teeth and the enzymes in saliva,when it is in the mouth. From there it moves to the stomach through the oesophagus. In the stomach, the content is further mixed with enzymes and the churning breaks down food further.From the stomach food moves to the small intestine. In the small intestine, digestive enzymes from the pancreas and liver acts on food. The small intestine is where digested food is absorbed.it has a large surface area and finger-like projection called villi to carry out the function of absorbing nutrients.

From there, undigested food us passed to the large intestine from where it is passed out through the anus

5 0
3 years ago
Some lifespan developmentalists use a(n) ____________ approach, drawing on several perspectives.
Zigmanuir [339]

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Decidable approach

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5 0
3 years ago
The exhaustion stage of stress comes from the ___________ cycle.
devlian [24]

Answer: alarm and resistance

The exhaustion stage of stress originates from <span>the first two stages of the cycle of stress,  the alarm resistance. tress,  </span>and<span>Once alarm ( where the body system is flooded with adrenaline)  is ended, resistance sets in and finally, exhaustion takes over when the body runs out of energy.</span>

3 0
3 years ago
Many signaling pathways have multiple transducer proteins, for example in a multi-enzyme phosphorylation cascade - one of the pu
zimovet [89]

Answer:

b. to amplify the signal

Explanation:

A multi-enzyme phosphorylation cascade is a series of signaling events where one enzyme phosphorylates to another, then this last enzyme acts to phosphorylate another protein and so successively, thereby triggering a chain reaction that leads to the phosphorylation of hundreds or even thousands of proteins. A multi-enzyme phosphorylation cascade is known to increase the number of activated (phosphorylated) proteins at each step of the signaling cascade. Phosphorylation is a posttranslational modification capable of activating proteins during long periods, thereby a phosphorylation cascade also enables the activation of multiple proteins before these proteins become inactive again.

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2 years ago
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