Answer:
DNA:
- is a single molecule that can be over 10,000,000 nucleotides long
- is usually double stranded
- includes the base thymine
- is the genome for prokaryotic organisms
RNA:
- can be translated into a protein
- is usually single stranded
- includes ribose sugar
- is a single molecule that can form a complex secondary structure
Explanation:
Deoxyribonucleic acid (DNA) is the hereditary genetic material of both prokaryotic and eukaryotic organisms, while RNA is the genetic material of many viruses. DNA is a double helix molecule composed of four types of nucleotides: a nitrogenous base (Adenine, Thymine, Cytosine and Guanine), a five-carbon sugar (i.e., deoxyribose), and a phosphate group. On the other hand, RNA is usually a single-stranded molecule whose nucleotides contain ribose sugars and Uracil bases replace Thymine bases. During translation, a type of RNA molecule referred to as messenger RNA (mRNA) is used as template to direct the synthesis of a polypeptide chain (protein). This RNA molecule can fold to form stable double-stranded RNA hairpins (i.e., secondary structures).
Answer:
D) relatively few cells and a large amount of extracellular matrix
Explanation:
connective tissue are widely spread through out the body and and perform very important function in the body. Cells in connective tissue are widely spaced i.e there is lot of space in between these cells and cells are not actively touching one another and because of a lot of space between cells, they have large amount of extracellular matrix.
Answer:
ethanol produces is a biological process which converts sugar like substances into cellular energy
Explanation:
The recipes commonly used in countries with hot climates are more likely to include spices that slow the growth of bacteria than those in countries with colder climates.
Many spices and herbs have antibacterial properties. Antimicrobial active ingredients prevent microbial development in a variety of ways. In addition, spices have the ability to block or regulate the growth of harmful bacteria and prevent the formation of spoilage microorganisms (food preservation).
The antibacterial qualities of spices, which remove pathogens from food and so promote human health, longevity, and reproductive success, are the primary reason why they are used more frequently in hotter climates.
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Answer: DESERT
Explanation:
Adaptation can be defined as the modification in the form, structure, function and behaviour of organisms in a habitat which enables them to live successfully and reproduce.
Desert is one of the types of the world biomes that is characterized with little or no rain and to extreme temperatures. Organisms, which includes plants and animals, must show some level of adaptation to able to survive the harsh environment.
The type of PLANTS which can survive in desert environment are called the XEROPHYTES. They show the following adaptations:
--> The roots are well developed: they grow down to great depths and branch extensively in order to absorb water
--> they possess swollen stems which contains water storage cells.
--> they have reduced leaves, for example in cacti in the form of spines, which helps to reduce water loss through transpiration.
The type of animal that survive in desert environment spend the hot dry seasons in a sleep-like torpid state called aestivation. This is so in order to avoid the heat. Their body size is usually small and less bulky: greater surface area in relation to body volume, thus enhancing heat loss from the body.
Organisms that live in the _________ must be adapted to little or no rain and to extreme temperatures.