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2 years ago

Which data would not affect maximum likelihood estimates of phylogenies when comparing different tree hypotheses?.

Biology

1 answer:

Leona [35]2 years ago

7 0

The set of species derived from one common ancestor.

To build phylogenetic trees, a variety of data can be employed, including genetic information, mitochondrial DNA sequences, ribosomal RNA genes, and any relevant genes, as well as morphological information such as structural characteristics, organ kinds, and specific skeletal arrangements

<h3>What is a Phylogenetic tree ?</h3>

A phylogenetic tree, also called a phylogeny, is a diagram that shows the evolutionary branches from which various species, creatures, or genes have descended from one another.

A phylogenetic tree can be used to track a species' evolutionary history back via the tree's branches and find their common ancestors along the way.

A lineage may preserve some of its ancestors' characteristics over time, but it will also change over time to accommodate the environment.

Learn more about Phylogenetic tree here:

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Chief cells secrete inactive pepsinogen in order to prevent acid erosion inside of the chief cells. True or False

Vladimir [108]

Answer:

The statement is false.

Explanation:

At the base of the oxyntic gland, in addition to the parietal cells, the chief cells (peptic cells) are located, mainly in the lower half of the gastric glands, these cells have large basophilic zymogen granules, more prominent in the apical region and responsible of the secretion of pepsinogen proteolytic enzymes, a relatively constant fraction of pepsinogen I released by the chief cells is absorbed by the blood instead of passing into the gastric lumen. The stomach acid transforms pepsinogen into pepsin, which breaks down proteins in food during digestion.

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3 years ago

Which cellular process takes place in the ribosome that are bound to the endoplasmic reticulum

Novosadov [1.4K]

Actually no cellular process takes place IN the ribosomes.
<span>But proteins are made ON the ribosomes. </span>

<span>And if it's the ribosomes associated with ER, then the proteins are going to be distributed to some other organelle in the cell or exported out of the cell.</span>

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3 years ago

Which of the following is an example of an open system?

Crank

A is the answer to this problem

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3 years ago

How come I can’t mine diamonds with wooden pickaxe?

olga nikolaevna [1]

Answer:

You need an iron pickaxe

Explanation:

thats how the game was made

6 0

3 years ago

Read 2 more answers

The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have v

Savatey [412]

<h2>Option C is correct</h2>

Explanation:

Natural selection in an aquatic environment resulted in significant changes to whale forelimb anatomy

Natural selection is the concept of evolution where organisms with favorable traits are selected(by nature) and reproduced and this process allows the organisms to adapt to the changing environmental conditions
The upper forelimbs of humans and bats have fairly similar skeletal structures which means that they might share a common ancestor in skeletal structure but are functionally different which means they share a homology with each other
The evolution of limbs of whales is also a part of forelimb adaptive evolution
Gene mutation rates of higher animals are pretty much similar
Whales are proper mammals and form a connecting link between fish and mammals

6 0

3 years ago