Answer:
Option B) they lack a nuclear membrane
Polysome formation in bacteria is able to occur because they lack a nuclear membrane
Explanation:
Since bacteria, like other Prokaryotes, lack a well-defined nucleus and nuclear membrane, its ribosomes are held together by ribonucleic acid (RNA) during protein synthesis, and are altogether referred to as polysome.
The products that are derived from invertebrates are the following:
1. food - crabs, lobsters, oysters, octopuses: all of these are invertebrates (meaning they have no spine) and are used as food
2. shell - seashells are invertebrates and their shells are used for various purposes
3. jewelry - shells are used as jewelry, as well as pearls coming from seashells
4. silk - silk comes from silkworms, which are invertebrates
I just wouldn't pick cotton, because you get cotton from a plant.
C. <span>Energy flows through an ecosystem and cannot be recycled. </span>
Answer:
Work together to maintain a stable internal environment.
Explanation:
The given figure includes various systems like the muscular system, nervous system, circulatory system, and digestive system. These systems are involved in performing various life processes and thus, help together to maintain a stable internal environment in order to sustain life.
The article in the journal is the secondary source.
Explanation:
A research literature review can be constructed by taking information from two types of sources which are grouped as primary sources or secondary sources.
The primary sources include the original research papers, excerpts written by the scientists himself or any other original documents.
Any article published in magazines, newspapers and journals that reflect the original result but do not have the exact words written in the research paper are all secondary sources.
