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QveST [7]
3 years ago
15

Any 2 characteristics of columnar epithelium​

Biology
1 answer:
kykrilka [37]3 years ago
3 0
Polarity- Epithelium is arranged so there is one free surface (apical surface) and one attached surface (basal surface)

Cellular nature– Cells in epithelium fit closely together side by side and sometimes atop each other to form sheets of cells.
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Which sentence accurately describes star clusters?
Elza [17]

Answer:

Stars form large groupings

Explanation:

A large group of stars that have a common origin and are gravitationally bound for some length of time is called star clusters. Star clusters provide a way to study the ages of stars and stellar evolution. There are two categories of star clusters i.e. galactic clusters, and globular clusters.

Out of the given options, we can say that the correct option is (b) "Stars form large groupings".

4 0
2 years ago
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Due to the fact that we possess enzymes that break down the alpha linkages in starch, the glucose molecules that make up amylose
dedylja [7]

The answer is: A. True

Complex sugars or polysaccharides are composed of basic units called monosaccharides that are linked via  glycosidic bonds. Glycosidic bond is formed through condensation reactions (water is released) that occur between a hydroxyl (OH) oxygen atom on one sugar and the α-anomeric form of C-1 on the other. There are are two types of glycosidic bonds:

- 1,4 alpha ( the OH is below the glucose ring)

- 1,4 beta glycosidic bonds (the OH is above the glucose ring)

Amylase is an enzyme that breaks down starch into smaller glucose molecules, it act on α-1,4-glycosidic bonds and it works in mouth where the digestion begins (salivary amylase) . Maltase breaks down maltose into glucose; sucrase, breaks down sucrose into glucose and fructose; and lactase, which breaks down lactose into glucose and galactose work in small intestine and also act on α-1,4-glycosidic bonds.

7 0
3 years ago
The two major surviving clades of diapsids include modern animals like snakes, lizards, crocodiles, and ______________________.
kvasek [131]

The two major surviving clades of diapsids include modern animals like snakes, lizards, crocodiles, and birds

A clade is a branch in a cladogram that has a single common ancestor with all of its offspring. An evolutionary tree that depicts the relationships between species' ancestors is called a cladogram. In the past, cladograms were created using similarities among species' phenotypic or physical characteristics.

All hominoids, including humans, chimpanzees, gorillas, orangutans, and gibbons, are members of this group. The Hominoid clade is a subgroup of the Anthropoids, a broader clade that includes Old World and New World monkeys. The use of a phylogenetic tree makes clade identification simple. Just visualize pruning even one branch from the tree.

To learn more about clade please visit
brainly.com/question/9027627
#SPJ4

4 0
1 year ago
CO2 is returned to the atmosphere by all methods EXCEPT
SIZIF [17.4K]
CO2 is returned to the atmosphere by all methods except photosynthesis.
Through photosynthesis, a plant actually takes CO2 from the atmosphere and produces oxygen in return. 
3 0
2 years ago
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Which is most likely true about water in chemical systems?
viktelen [127]

Answer:

Explanation:

Water dissolves nonpolar covalent substances.

3 0
3 years ago
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