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natka813 [3]
2 years ago
11

What is true for an energy resource with a low net energy?

Biology
1 answer:
Tamiku [17]2 years ago
7 0

Answer:

An energy resource with a low or negative net energy can have a hard time competing in the marketplace with other energy alternatives that have medium to high net energy yields unless it receives financial support from the government (taxpayers) or other outside sources.

Explanation:

- Eijiro <3

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Which chromosomal defect is caused when part of a chromosome breaks off and reattaches backward on the same chromosome?
LiRa [457]

The right answer is inversion.

Inversion is a genetic mutation characterized by the end-to-end reversal of a portion of chromatid on a chromosome.

In other words, it is a double break then it is replaced after rotation of 180 ° of a chromosome segment (backward insertion).

We distinguish :

Paracentric inversions:  The centromere in the chromosome is not included in the inversion.

Pericentric inversions:  The centromere is included in the inversion which transforms a metacentric chromosome into an acrocentric chromosome.

8 0
2 years ago
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A person had bread and butter for his breakfast. Trace the changes in the main components of these during its passage through th
Papessa [141]

When the bread and butter is in mouth, mechanical digestion starts. The size of the food gets reduced and it mixes with saliva for easy swallowing. The salivary amylase in saliva begins the digestion of starch in the bread. This is the start of chemical digestion. When the undigested bread and butter reached the stomach, lower esophageal sphincter relaxes and allow the chewed food to enter. The gastric secretions containing HCl, acts on the undigested food to produce chime. HCl kill the microorganism on the food and also denatures the protein and later attacked by digestive enzyme pepsin. Pepsin breakdown protein in the bread, butter . Later on gastric lipase begins to digest fat present in butter. Digestion of the starch in bread does not occur in the stomach because the salivary amylase that began chemical digestion in mouth became inactive in the presence of HCl. Further the chime enters the small intestine where bile secreted by the gall bladder emulsifies the fat and break into small globule which helps in fat absorption.

7 0
2 years ago
If titanium has 22 protons in its nucleus how many neutrons are present in the nucleus of its most common isotope
marin [14]

there should be 26 hope this helps

8 0
3 years ago
Using what you know about mutation, cellular division(mitosis), and DNA replication, explain how damaged DNA in a stem cell coul
White raven [17]

Answer:

It could largely impact the way you look.

Explanation:

Since 100% of your DNA decides how you look, if even one thing changes, one part of your look would change. Sometimes it's something big like eye color, or sometimes like a small change in skin color.

6 0
1 year ago
What makes human dna different from oak tree or frog DNA?
lara31 [8.8K]

oak tree DNA is much longer than that in human and the number of chromosomes also differ

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3 years ago
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