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USPshnik [31]
2 years ago
13

Which of the following is a type of wave that does not need a medium though which to travel?

Biology
2 answers:
LenaWriter [7]2 years ago
7 0

Answer:

The answer is D) Transverse

Explanation:

Electromagnetic waves which are in transverse (by nature) can travel withought a medium.

VLD [36.1K]2 years ago
4 0
It is electromagnetic waves which are transverse waves by nature

the answer is D
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The density of protists living in the hay infusion is ______________ than the regular pond water.
iren2701 [21]

Answer:

a. significantly lesser

Explanation:

The density of protists living in the hay infusion is significantly lesser than the regular pond water because protists likes to live in aquatic or any water bodies. Some protists float on the surface of the water making their own food like plants by using the process of photosynthesis. Aquatic environments are ideal environment for protists, which have cilia and flagella that allows them to move in the water in search of food..

3 0
3 years ago
Many bacteria reproduce asexually. the bacterium shown here is reproducing asexually, by binary fission. the definition of a ___
sergij07 [2.7K]

The correct answer is D. species.


The definition of a species is termed as a group of interbreeding individuals cannot be easily applied to organisms that they reproduce only or mainly by asexual methods.


Species is termed as the basic unit of classification and taxonomic rank and also unit of biodiversity. It is the largest group of organisms whereby two individuals produce fertile offspring.

They are typically by sexual reproduction. Boundary which is between closely related species they becomes unclear.

3 0
3 years ago
Read 2 more answers
The endosymbiotic theory proposes that eukaryotic cells arose as a result of large cells engulfing smaller, aerobic bacteria. th
lina2011 [118]

The organelle that provides evidence for this theory is the mitochondria and the chloroplast.

<h3>What is the endosymbiotic theory?</h3>

The endosymbiotic theory is the theory which describes how the eukaryotic cells arose from simple prokaryotic cells.

In the endosymbiotic theory states that when two prokaryotic cells with several abilities came together, one engulfed the other and existed in a symbiotic relationship that enabled  the cells to meet their needs for survival an growth.

The mitochondria and the chloroplast provides evidence for the endosymbiotic theory.

In conclusion the endosymbiotic theory describes  how eukaryotic cells arose from simple prokaryotic cells.

Learn more about endosymbiotic theory at: brainly.com/question/1698852

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8 0
2 years ago
The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport
Julli [10]

The reduced coenzymes generated by the citric acid cycle donate electrons in a series of reactions called the electron transport chain. The answers are as;

a) 1. NADH and 7. FADH2

b) 6. O2

c) 3. NAD+, 1. H2O, 4. ATP and 8. FAD

Oxygen is the ultimate electron acceptor, and it combines with hydrogen ions to produce H2O. This process occurs at the conclusion of the electron transport process.

ATP molecules, which are carriers of energy, would be the final outcome of the oxidative phosphorylation process.

(a) NADH and FADH2 donate electrons to the electron transport chain.

(b) O2 is the final electron acceptor.

(c)  NAD+,  H2O,  ATP, and  FAD are the final products of the electron transport chain and oxidative phosphorylation.

You can also learn about oxidative phosphorylation from the following question:

brainly.com/question/29104155

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4 0
1 year ago
A small percentage of the body’s iron supply circulates freely in the blood, bound to a protein called transferrin. Transferrin
german

Answer:

What best describes how transferrin is transported through the erythrocyte plasma membrane is receptor-mediated endocytosis.

Explanation:

The incorporation of transferrin across the erythrocyte membrane depends on a transferrin receptor expressed on the surface of the membrane. The specific receptor recognizes the presence of iron-charged transferrin, transferin diferrica, incorporating it into the cell by endocytosis. Once in the cytoplasm, the iron is dissociated from the transferrin.

Free transferrin is called apotransferrin. The transferrin receptor has a high affinity for transferrin di-ferrica, which facilitates its incorporation by endocytosis, and the release of apotransferrin into the extracellular space.

The other options are not correct because:

<em>     A. </em><u><em>Exocytosis</em></u><em> implies the exit of substances from the cell.</em>

<em>     B. </em><u><em>Pinocytosis</em></u><em> involves the invagination of the membrane to incorporate soluble substances into the cell.</em>

<em>     C. </em><u><em>Phagocytosis</em></u><em> is the incorporation of solid substances by invagination of the membrane.</em>

4 0
3 years ago
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