Answer:
is an acidic colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms.
Explanation:
The avian
kidneys are divided into units called lobules and as the two avian kidneys of
birds do their work or function, most of these birds excrete nitrogenous waste
known as uric acid from the blood, which reduces water loss but requires more
metabolic energy to produce nitrogenous waste.
Answer: Option D.
Cyclins are proteins that regulate the cell cycle at molecular level.
Explanation:
Cell cycle refers to series of activities that take place in the cell leading to replication of DNA and division of cytoplasm to give two daughter cells. Cell cycle are regulated by a set of proteins called cyclins.
Cyclins are group of proteins the bind and activates cycling dependent kinases enzymes in order to control cell progression through the cell cycle.
<h3><u>Answer;</u></h3>
Both use energy sources to create ATP
<h3><u>Explanation;</u></h3>
- Autotrophs and heterotrophs must use energy in the form of ATP to synthesize organic compounds.
- Autotrophs and heterotrophs are both living organisms that require some form of food to get energy.
- However, autotrophs make their own food via photosynthesis or some other similar method. Heterotrophs get their food by eating autotrophs or other heterotrophs.
I believe it is the cell membrane
