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Hatshy [7]
2 years ago
15

Describe how the relationship between sickle cell disease and malaria is an example of natural selection in humans in 3 complete

sentences
Biology
1 answer:
Ad libitum [116K]2 years ago
8 0

Answer:

It turns out that, in these areas, HbS carriers have been naturally selected, because the trait confers some resistance to malaria. Their red blood cells, containing some abnormal hemoglobin, tend to sickle when they are infected by the malaria parasite.

Explanation:

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Every cell in an organism contains DNA that is what
jeyben [28]

Answer:

Each of these things — along with every other organism on Earth — contains the molecular instructions for life, called deoxyribonucleic acid or DNA

Explanation:

5 0
3 years ago
Which structure could a scientist look for in a plant that would identify it as a club moss rather than a liverwort?
Verdich [7]

Answer:

phloem

Explanation:

In plants that bring the food made of leaves to all the other areas of the plant, Phloem is also known as bast. Phloem is made of different cells, called sieve channels, phloem fibers, complementary cells and parenchymatic phloem cells. Primary phloem consists of the epidermal cells of root and shoot tips (zones of new cell production), either of the propellant, the cells of which ripen before elongation, or the metaphloem in which the cells mature after elongation, during development.

7 0
2 years ago
Read 2 more answers
Is erythematous a disease
Daniel [21]

Answer:

Erythema nodosum is characterized by tender, red bumps, usually found symmetrically on the shins. Up to 55 percent of cases have no clear identifiable cause. Sometimes, erythema nodosum is not a separate disease. Rather, it is a sign of some other infection, disease, or of a sensitivity to a drug.

8 0
3 years ago
Question 1 of 10
Novosadov [1.4K]

Answer:

B. In plants, there are no sister chromatids.

6 0
2 years ago
After differentiation, the various types of cells become specialized for a specific function. Their ______ relates to this _____
kykrilka [37]

Explanation:

The structure relates to their function

Their structural components (i.e. their makeup) determine their function (what they do). In specific cell types, collected proteins may function as a unit called an organelle.

Further Explanation:

In all eukaryotic cells mitochondria are small cellular organelles bound by double membranes make most of the chemical energy required for powering the biochemical reactions within the cell. this chemical energy is stored within the molecule ATP which is produced.

Some organelles are bound by membranes like those that make up the external structure of the cell, with varying compositions of phospholipids and proteins. These are advantageous, as they

  • may increase metabolic reaction efficiency;
  • they allow cells to concentrate smaller fractions of enzymes and solutes separate proteins and molecules that may harm the cells by parceling them into membrane-bound organelles
  • for example, hydrolytic enzymes concentrated within vacuoles may degrade macromolecules like DNA and RNA within the cytoplasm.

Learn more about cellular life at brainly.com/question/11259903

Learn more about mitochondria at brainly.com/question/8427362

Learn more about mitochondria and similar structures at brainly.com/question/2855039

#LearnWithBrainly

3 0
3 years ago
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