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IgorC [24]
3 years ago
9

In eukaryotic cells the first step in protein synthesis is the _____.

Biology
1 answer:
malfutka [58]3 years ago
4 0
<span>DNA's information is transcribed into RNA, which is then translated into the primary structure of proteins</span>
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When we ingest large molecules such as lipids, carbohydrates, and proteins, they must undergo catabolic reactions whereby enzyme
SIZIF [17.4K]
A. chemical digestion:
it the type of digestion which occurs due to enzymes start right from the mouth with help of amylase enzyme. some of it occurs in stomach, but the major part complete in small intestine.

b.secretion:
it is the phenomenon of release of enzyme, hormones and some salt in case of digestion.

c. mechanical digestion:
it is that type of digestion which occurs due to teeth, in which large food is broken down into small pieces to form bolus.

d. absorption:
it is the process in which food molecules are absorbed in villi in intestine.

Answer:
the correct option is a (chemical digestion).
5 0
2 years ago
2. The mass of the nucleus is closest to A. 99% of that in the entire atom B. 1% of that in the atom C. 10–5 of that in the atom
Tanzania [10]

Answer: Option A) 99% of that in the entire atom

Explanation:

An atom consists of three subatomic particles named protons, neutrons and electrons. The protons and neutrons are found in the nucleus of the atom, while the mass of electrons is 1/1840 (negligible).

Thus, the mass of protons and neutrons in the nucleus makes 99% of the entire atom

3 0
3 years ago
A specialized structure within a cell that has its own specific function is known as a/an _______.
vichka [17]

Answer:

Organnelle

Ribosomes

Nucleus

Archaeabacteria

Phospholipid bilayer

Lipases

Explanation:

1. Organnelles are specialized structures in a cell designed to perform a particular function that will make the cell normal e.g. ribosome, Chloroplast, mitochondrion are examples of organnelles.

2. The Rough Endoplasmic Reticulum (RER) is one of the two endomembranous systems in the cell. It is characterized by its rough appearance which occurs as a result of ribosomes attached to its surface. This attachment of ribosomes makes its function related to protein synthesis.

3. Nucleus is a membrane bound organnelle found only in EUKARYOTIC cells. It houses the genetic material (DNA) of a cell and acts as the brain by directing all of the cellular activity of that cell.

4. Archaeabacteria is one of the six kingdoms in the hierarchical classification of living organisms. They contain unicellular and prokaryotic organisms that are uniquely characterized by their ability to survive extreme conditions e.g high temperature.

5. The plasma membrane is an outer covering that bounds the cells of both Prokaryotic and eukaryotic organisms. According to the fluid mosaic model that describes the structure of the cell membrane, it contains a phospholipid layer that confines its selective permeability upon it i.e. ability to control what goes in and out of the cell. This is due to the amphipathic nature of the phospholipid i.e. contains an hydrophobic and hydrophilic region.

6. Lipases are enzymes that are involved specifically in the breakdown of lipids and fat molecules into fatty acids and glycerol.

5 0
2 years ago
The distance covered by a bus is measured by an instrument called​
natka813 [3]

Answer:

<em>Odometer</em>

<em>It</em><em> </em><em>is</em><em> </em><em>measure</em><em>d</em><em> </em><em>by</em><em> </em><em>an</em><em> </em><em>instrument </em><em>called </em><em>odometer</em><em>.</em>

3 0
2 years ago
Read 2 more answers
The base of a pyramid is built from organisms that primarily
leonid [27]

Answer:

Autotrophs

Explanation:

6 0
3 years ago
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