Carbohydrates such as glucose, cellulose, deoxyribose, fructose, etc
Nucleic acids such as DNA, mRNA, tRNA
Proteins such as structural proteins and enzymes
Answer:
The cell membrane is semipermeable because allows only certain molecules to pass through.
Explanation:
Semipermeability is a common property of cell membranes, due to their predominantly lipid composition, which gives them a hydrophobic character.
The cytoplasmic membrane is constituted by a double layer of lipids, in addition to structural proteins and glucides, which prevent the entry of polar or charged molecules. This characteristic allows lipids and small molecules without charge to pass freely through it.
Regarding the other options:
<em> A. Cell membranes are associated with lysosomes, structures that contain enzymes. However, this characteristic is not related to semipermeability.</em>
<em> C. They allow the passage of small molecules - devoid of charge - through them.</em>
<em> D. Not all non-polar molecules pass through, as some need a transporter.</em>
Answer:
a long time just kidding
Explanation:
20,000 and 40,000 years ago this can be proved by fossil evidence.
mark me brainliest please!
The homeostatic control system component which transmits the
response is called the receptor.
To add, the receptor is <span>an organ or cell able to respond to light,
heat, or other external stimulus and transmit a signal to a sensory nerve.</span>
Answer:
Topical order.
Explanation:
Text structure can be defined as words used to describe how a writer or an author organizes his or her words in a literary work.
A topical order refers to a way of structuring a text or organizing a speech based on the main topic and dividing it into several subtopics in logical categories (steps).
In this scenario, Lisa is giving a speech about Pandas. Her speech includes 3 points:
1) Where pandas live.
2) What pandas eat.
3) How pandas reproduce.
Thus, the type of organization Lisa is using is topical.
In conclusion, a speech or text organized in a topical order has its main points organized as subtopics which are well related with the main topic.
