Answer:
isotopes
Isoyopes are element having same atomic number but different atomic mass
Which of the following are the best sources of longer-term, stored energy for our bodies?
A. Monosaccharides
B. Disaccharides
C. Polysaccharides
The best source of longer-term energy storage for our bodies are Polysaccharides. Option C is correct.
Saccharides are sugar molecules. Among these molecules, some are shorter than others though all of them provide very similar functions to our bodies. Our bodies break down these sugars in order to obtain energy.
Due to the nature of everyday life, our bodies at times need a quick source of energy, as well as energy to be stored for later. This is where the difference in saccharides comes into play. Monosaccharides and Disaccharides are a source of quick energy, due to their being short molecules they can be broken with ease for quick use.
On the other hand, Polysaccharides are chains of sugar that can at times span into the thousands. These chains are later quickly broken up into monosaccharides at times of need. This characteristic makes them ideal for long-term storage of energy and is the reason that option C is correct.
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In a phospolipid, the heads are
which
means
Answer:
A single phospholipid molecule has a phosphate group on one end, called the “head,” and two side-by-side chains of fatty acids that make up the lipid “tails. ” The phosphate group is negatively charged, making the head polar and hydrophilic, or “water loving.” The phosphate heads are thus attracted to the water
How can the enzyme activity be slowed down?
A. Increase temperature from 10*C to 20*C
B. Increase temperature from 20*C to 30*C
C. Decrease the temperature from 30*C to 20*C
The elements potassium (K) and chlorine (CI) can form an ionic bond. Which of the following
statements correctly explains what occurs (in this ionic bonding)?
1.) As chlorine has 7 valence electrons, it tends to form bonds to gain one electron (to get a full valence shell of 8).On the other hand, potassium has one valence electron, so it tends to lose this electron to other atoms (and
become a cation)
2.) As chlorine has 7 valence electrons, it tends to form bonds to lose all 7 electrons. On the other hand,potassium has one valence electron, so it tends to gain 7 electrons (to get a full valence shell of 8).
3.) In this ionic bonding, potassium is the anion and chlorine is the cation.
4.) During the ionic bonding between potassium and chlorine, 8 electrons are shared between these 2 atoms.
Answer:
As chlorine has 7 valence electrons, it tends to form bonds to gain one electron (to get a full valence shell of 8).On the other hand, potassium has one valence electron, so it tends to lose this electron to other atoms (and
become a cation)
Why do scientists classify organisms?
To more easily sequence their genetic material
To create scientific names that only scientists can learn
To have common names that everyone can remember
To organize them and speak about them accurately
Answer:
To organize them and speak about them accurately
Answer:
d
Explanation:
edge 2022
Which scientific discipline is correctly matched to a contribution to society? biology; theory of relativity geology; theory of continental drift ecology; conserving the environment astronomy; developing quantum mechanics
Answer:
B) geology; theory of continental drift
Explanation:
A scientist is observing a eukarotic cell and a prokaryotic cell. Which structure could she only observe in the eukaryotic cell? cytoplasm DNA ribosomes a nucleus
Answer:
D. a nucleus
Explanation:
PLEASE HELP I NEED THIS ASAP!!!!!!!!!!!!!!!A leaf's cuticle A. is the main site of photosynthesis B. is spongy with many holes C. stores extra food D. prevents excessive evaporation
Answer:
te correct answer is D it prevents excessive evaporation
Explanation:
Which statement accurately describes the Doppler effect?
Answer:
It indicates galaxy motion through light wavelengths. It indicates a galaxy moving toward Earth through red shift.
Explanation:
Answer: It’s A. It was used by Hubble to measure velocities of galaxies.
Explanation: It’s right on edge 2021
Which term names the science of classifying organisms?
Answer:
Taxonomy
Explanation:
It's the science of naming, classification if an organisms.