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Svetradugi [14.3K]
2 years ago
9

Genes are sections of DNA that code for a particular trait. Genes are:

Biology
1 answer:
SashulF [63]2 years ago
7 0
Pretty sure it’s nucleic acids
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Teens typically experience a burst of cortical gray matter growth at puberty, followed by a wave of gray matter loss extending i
kykrilka [37]
Teens diagnosed with schizophrenia experiences LOSS OF GRAY MATTER THAT SPREAD IN WAVES INTO THE EARLY 20S.
Schizophrenia is a group of disorders that is characterized by delusions, hallucinations, cognitive impairment, mood disturbance and social withdrawal. Researchers had noticed that there is a distinct process in the manner in which brain development occurs in normal teens and teens with schizophrenia.<span />
5 0
3 years ago
1) A specialized function shared by the many cells lining the lungs and the lumen of the gut isA) decreased oxygen demand due to
gogolik [260]

Answer:

B) increased exchange surface provided by their membranes

Explanation:

Alveoli are tiny air sacs that are responsible for exchanging oxygen (O2) and carbon dioxide (CO2) in the lungs. Alveoli have elastic fibers in order to expand and recoil depending on the volume of air breathed in. The alveolar epithelial cells (pneumocytes) may adopt a shape that serves to increase the surface area of gas exchange. On the other hand, intestinal epithelial cells have microvilli, which are microscopic projections in the plasma membrane. Microvilli serve to increase the cell's surface area, thereby facilitating the absorption of nutrients and water.

4 0
2 years ago
Read 2 more answers
An endospore may survive a drought because it is protected by a
dmitriy555 [2]

Answer:

b. thick wall.

Explanation:

Endospore is a structure formed by some bacteria, that help them survive unfavourable conditions (e.g. lack of nutrients). This survival strategy of some bacteria (usually Gram+ bacteria) help them stay dormant for a while, until stressful conditions stop. A thick wall composed of many layers (exosporium, spore coat, spore cortex, core wall) of the endospore is what provides resistance to different stressful chemical and physical factors such as UV radiation, temperature, chemical damage etc.

5 0
3 years ago
The toxic cyanide anion (CN-) binds to cytochrome c oxidase and prevents electron transfer. Dosing of BP-CML cells with cyanide
astra-53 [7]

Answer: C. Ii & III are correct

II. reduced intracellular ATP.

III. apoptosis or necrosis.

Explanation:

Cytochrome c oxidase controls the last step of food oxidation. Cytochrome c oxidase is an enzyme responsible for electron transfer in the electron transport chain (ETC), it inhibit in slowing down or stopping the ETC.

Consequently, ATP production would be gradually reduced, as the ETC is responsible for the majority of ATP production. This shows option II is correct.

The question starts by stating that cyanide is highly toxic, so this match up with the fact that a large dose would also cause cell death (apoptosis or necrosis). Therefore, option III is also accurate.

Option I: Inhibiting the ETC is consequential as it reduces oxygen demand because electrons would not flow to oxygen, the final electron acceptor.

3 0
3 years ago
What is one similarity between active and passive transport?
WARRIOR [948]

Answer:

The correct answer is both involve moving substance across the membrane.

Explanation:

Passive transport is one of the most important membrane transport process which helps in transport of polar molecules and gases along their concentration gradient across the plasma membrane.No addition energy is required to carry out passive transport because during passive transport molecules move from high concentration region to the region of low concentration.

Active transport is a specific type of membrane transport process which helps in the passage of ions against their concentration gradient across the plasma membrane.As the ions are moving against their concentration gradient additional chemical energy is required to carry out their uphill transport.

7 0
3 years ago
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