They both use a reproductive strategy called alternation of generations, where there are two different reproducing morphologies: a diploid sporophyte, and a haplod gametophyte. The sporophyte produces spores by meiosis (2N -> N), which disperse and form the gametophyte, which produces gametes by mitosis (N ->N). Two of those gametes fuse to create a diplod zygote (N + N -> 2N), which becomes the new sporophyte
There are differences between the two types of plants, especially the relative size of the sporophytes and gametophytes, but they both use this kind of reproductive strategy.
its adding co2 into the air also known as the green house gases
Answer:
The correct answers are option A. "tethering proteins to the cell cortex", B. "using barriers such as tight junctions", C. "tethering proteins to the extracellular matrix", D. "forming a covalent linkage with membrane lipids", E. "tethering proteins to the surface of another cell"
Explanation:
According to the fluid-mosaic model, the components of cell membranes are in constant movement forming a barrier to avoid unwanted exterior component internalization and to avoid the loss of precious internal components. This constant movement could cause that proteins move across the plasma membrane. But, this is avoided by several mechanisms including:
A. Tethering proteins to the cell cortex. The cell cortex is a rigid structure made of actin and actomyosin. Proteins found in the plasma membrane are tethered to this structure to restrict their movement.
B. Using barriers such as tight junctions. Tight junctions are barriers found in epithelia made of claudin and occludin proteins. These barriers are impenetrable, which avoid the movement of proteins in the cell membrane.
C. Tethering proteins to the extracellular matrix. The extracellular matrix is made of several proteins and macromolecules that provide a structural and biochemical support to cells that are nearby. Proteins could be tethered to this rigid structure as well.
D. Forming a covalent linkage with membrane lipids. The proteins in the cell membrane that form a covalent linkage with membrane lipids are known as lipid-anchored proteins, or lipid-linked proteins.
E. Tethering proteins to the surface of another cell. When cell-cell communication take place it is possible that proteins in the cell membrane got tethered to the surface of the other cell.
<u>Complete Question:</u>
Scientists hypothesize that the microscopic organisms inside a termite's gut are responsible for breaking down the wood that the termite eats. To support this hypothesis, research results should show that the microscopic organisms can produce which of the following?
A. ATP
B. polysaccharides
C. enzymes specific to cellulose
D. nucleic acids that are double-stranded
<u>Correct Option:</u>
To support this hypothesis, research results should show that the microscopic organisms can produce enzymes specific to cellulose.
<u>Option: C</u>
<u>Explanation:</u>
This hypothesis needs the microscopic organisms which are present in the termite's gut, due to them only breakdown of wood take place that termite's eat. But that microscopic organism must be potential enough to generate kind of enzymes which are specifically responsible for cellulose digestion.
Because wood have a complex carbohydrate's class known as polysaccharide, comprising of a linear chain of many 100 to several 1000 D-glucose units connected together by β linkage. Cellulose is an essential functional part of green plant's key cell wall. Cellulases are an enzyme that splits the cellulose molecule free into monosaccharides, i.e. basic sugars like β-glucose or smaller polysaccharides and oligosaccharides.
