Which is a possible disadvantage of true bleeding?

Based on the phylogenetic tree, identify approximately how many millions of years ago the earliest south Asian river dolphin evo

Fynjy0 [20]

my guess is that it is 130 Million

8 0

2 years ago

Please help this is important!

icang [17]

Answer:

25% chance for purple flowers 75% chance for white flowers.

Explanation: The big letter is the dominant gene and that means that it will be what ever the dominant gene says. (unless both are recessive like with the "ww" purple flowers)

8 0

2 years ago

The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one

netineya [11]

Answer:

The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one another , this happens because the two sides of a cell membrane face different environments and carry out different functions.

Explanation:

PROTEINS , LIPID AND CARBOHYDRATES , all are the components of the plasma membrane , located at different sites .

PROTEINS -: The main component of plasma membranes is proteins. Two key categories of membrane proteins are available: integral and peripheral. As their name implies, integral membrane proteins are incorporated into the membrane: they have at least one hydrophobic region that anchors them to the phospholipid bilayer's hydrophobic center. Others just stick partway through the membrane, while others extend from one side of the membrane to the other and on either side are exposed.

On the outside and inside surfaces of membranes, peripheral membrane proteins are found which are bound either to integral proteins or to phospholipids. Peripheral membrane proteins do not stick into the hydrophobic center of the membrane as opposed to integral membrane proteins, and appear to be more loosely bound.

LIPID -: Phospholipids, arranged in a bilayer, make up the plasma membrane 's essential cloth. Since they are amphipathic, they are well-suited for this function, meaning they have both hydrophilic and hydrophobic regions.

The hydrophilic or "water-loving" component of a phospholipid is its head, which includes a phosphate group that is negatively charged, as well as an additional small group that can also be charged or polar.

Its long, nonpolar fatty acid tails make up the hydrophobic, or "water-fearing," portion of a phospholipid. The tails of fatty acids can interact easily with other non-polar molecules, but interact poorly with water.

CARBOHYDRATES -: The main component of plasma membranes is carbohydrates. In general, they are located on the outer surface of the cells and are either bound to proteins (glycoproteins forming) or to lipids (glycolipids forming). These chains of carbohydrates can consist of 2-60 units of monosaccharide and can either be straight or branched.

Hence , the correct option is B.

6 0

2 years ago

Types of minerals change in heated (First blank) area rock. A record of biological time can be found in (second blank) area rock

Elina [12.6K]

Answer:

Types of minerals change in heated metamorphic area rock. A record of biological time can be found in sedimentary area rock. Matter changes state from liquid to solid to form igneous area rock

Explanation:

Metamorphic rocks can be described as a type of rocks which arise by the phenomenon of metamorphism. Immense heat and pressure changes previous rocks (sedimentary, igneous or other metamorphic rocks) into metamorphic rocks.

Sedimentary rocks can be described as the type of rocks which are made by the deposition of minerals or organic particles and hence, help in evolutionary studies.

Igneous rocks can be described as the rocks which are made from lava or magma (hence changing state from liquid to solid).

3 0

3 years ago

Define feeding of living things

mars1129 [50]

Explanation:

the process by which the organism obtsin their their food is called feeding of living thing.

4 0

2 years ago

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