Answer:
An organelle is a tiny cellular structure that performs specific functions within a cell. Organelles are embedded within the cytoplasm of eukaryotic and prokaryotic cells. In the more complex eukaryotic cells, organelles are often enclosed by their own membrane. It has a particular structural makeup and performs a specific function. Some organelles are bounded by a single membrane. For example, vacuole, lysosome, Golgi Apparatus, Endoplasmic Reticulum etc.
Explanation:
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Answer:
it's a structure of distinctive morphology and function, includes nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes, and the cytoskeleton
Answer:
||True||
some renewable energy resources are:
Wind power
hydro power
biomass
geothermal energy
and solar energy
B. shared; atoms
C. transferred; ions
D. transferred; atoms
Option B is correct.
B. shared; atoms
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.
Answer:
B. shared; atoms
Explanation:
Covalent bond is formed by sharing of electrons between two atoms. In this way full outer shell is achieved by both the atoms. Since there is no gain or loss of electrons, no ions are formed in the process.
It is usually formed between the atoms of similar electronegativity. It can be of many types like sigma bond, pi bond etc. If a pair of electrons is shared, it's a single bond. If two pairs are shared, it's a double bond and if three pairs are shared, it's a triple bond.
Answer:
the explanation is in the answer...
Explanation:
Anatomy. Species may share similar physical features because the feature was present in a common ancestor (homologous structures).
Molecular biology. DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are.
Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change.
Fossils. Fossils document the existence of now-extinct past species that are related to present-day species.
Direct observation. We can directly observe small-scale evolution in organisms with short lifecycles (e.g., pesticide-resistant insects).
Amoebas are eukaryotic microorganisms that have a similar mode of nutrition to the process described for white blood cells. They capture and engulf food particles, such as bacteria or small organic particles, through a process called phagocytosis.
After engulfing the food particle, amoebas form a food vacuole around it. Within the food vacuole, enzymes are secreted to digest the captured material, allowing the amoeba to obtain nutrients and energy from the ingested material.
This process of engulfing and digesting food is known as phagocytic nutrition and is a characteristic feature of certain eukaryotic organisms like amoebas.
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Answer:
The Answer Is C): Amoeba
Explanation:
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