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tangare [24]
3 years ago
5

Give an example of each of 4 levels of organization in the human body.

Biology
1 answer:
denis-greek [22]3 years ago
3 0

Answer:

Cell - Muscle cell, blood cells

Tissue - Muscle tissue, cardiac (heart) tissue

Organ - Heart, lungs, pancreas

Organ system - Respiratory system, circulatory system

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Match each term to its best definition
velikii [3]

Explanation:

Reef : a ridge of jagged rock, coral, or sand just above or below the surface of the sea.

Area of desposition: is the geological process in which sediments, soil and rocks are added to a landform or land mass.

Sand dunes: is a mount, hill or ridge of sand that lies behind the part of the beach affected by tides.

Continental deposit of

gravel and sand: ???????????

Alluvial fan: a triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment

Sand mounds in a desert: is called "sand dunes". A sand dune can be described as a "small mound or ridge" of hill formed out of sand.

Sedimentary dispositional environment : describes the combination of physical, chemical and biological processes associated with the deposition of a particular type of sediment and, therefore, the rock types that will be formed after lithification, if the sediment is preserved in the rock record.

Shoreline deposit of sediments: The coastal environment consists of constantly changing conditions, caused by the forces of wind, waves, currents and tides.

Beach sand:Sand is a loose granular material blanketing the beaches, riverbeds and deserts of the world.

Calcareous skeletons from organisms build this wave-resistant structure: Modern coral reefs are principally made of calcium carbonate that has been derived from coral skeletons and cemented into a wave-resistant structure by coralline algae

7 0
3 years ago
How will planting genetically modified crops affect chemical use on farms?
Leno4ka [110]

The correct answer is

B. Decrease chemical use

7 0
3 years ago
If the DNA nucleotides read 3'-ATG-CGT-GAC-5', the amino acid sequence of the resulting polypeptide
Marat540 [252]

Answer:

5’ – TAC-GCA-CTG-3’

Explanation:

As per the Chargaff’s complementary base pairing rule purine always pairs with a pyrimidine.  

Purines include adenine (A) and cytosine (C)

Pyrimidine include thymine (T) and guanine (G)

Thus an A always pair with T and C always pair with G

Thus, the resulting poly peptide for the given amino acid sequence is  

3'-ATG-CGT-GAC-5'

5’ – TAC-GCA-CTG-3’

4 0
3 years ago
The diagram below shows the positions of Earth, Sun, and moon during two types of tides.
Rina8888 [55]

The correct answer is C: the gravitational forces due to the sun and the moon cancel each other's effect.

4 0
3 years ago
Read 2 more answers
You've been experiencing acid indigestion lately, and you'd like a quick fix for the problem. You do a little research on the In
Licemer1 [7]

Answer:

<em>C: After 1 hour, the pH of the solution in the PEPCID AC beaker was 9.2 and the pH of the solution in the Alka-Seltzer beaker was 8.3</em>

Explanation:

The degree of acidity or alkalinity/basicity of a substance is its pH. The value of pH ranges from 1 to 14 with the former being extreme acidity and the latter being extreme alkalinity while pH 7 is considered neutral.

Hence, any pH below 7 is considered acidic and above 7 is considered alkaline.

Reactions involving equal volumes of an acid and a base can end in acidic, alkaline or neutral pH depending on the strength of the acid/base involved;

  • Equal volumes of strong acid with strong base will result in neutral pH
  • Equal volumes of weak acid with strong base will result in alkaline pH
  • Equal volume of strong acid with weak base will result in acidic pH

If substance A and B reacts with equal volume of the same acid under the same condition and the end result of A is a solution with pH of 9.2 and that of B is a pH of 8.3, it simply means substance A is a stronger base than substance B.

<em>Hence, the only outcome that supports the hypothesis that a tablet of PEPCID AC can neutralize more stomach acid than a tablet of Alka-Seltzer is that the pH of the solution in the PEPCID AC beaker was 9.2 and the pH of the solution in the Alka-Seltzer beaker was 8.3 after being subjected to the same condition.</em>

If an indigestion is due to excess stomach acid, the only way to reduce the acidity is to consume a substance that will decrease the degree of acidity in the stomach. This means that the patient will need to consume something that is alkaline in order to increase the pH.

8 0
3 years ago
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