DNA serves as a template for providing instructions that code for genes in living organisms.

DNA provides instructions for genes.

The role of nitrogenous bases in DNA.

Allows for different codes of amino acids and proteins, providing diversity in genes.

Incorrect component: carbons in the sugar backbone.

The variety of nitrogenous bases, not the five-carbon sugars, is responsible for gene diversity.

Normal genotype DNA sequence includes GAG.

Normal genotype mRNA sequence includes GAG.

Sickle cell anemia genotype mRNA sequence includes GUG.

Sickle cell anemia genotype amino acid sequence includes Valine.

Normal red blood cells are round.

Sickled red blood cells are crescent-shaped.

The sickle cell trait provides some resistance to malaria.

Sickle cell anemia is more common in certain populations.

The gene mutation prohibited DNA replication.

The mutation affects protein synthesis, not DNA replication. It causes a different amino acid to be added to the protein sequence.

Incorrect energy transformation: Chemical to thermal

Light energy is converted to chemical energy, not chemical to thermal.

Population growth in ecosystems

Continues as long as resources are available but cannot grow indefinitely due to limiting factors.

Human population growth

Has followed a logistic curve, rising slowly over thousands of years as humans developed adaptive skills.

Population decline after overshoot

Populations always decline to or below the carrying capacity after an overshoot.

Exhaustible resource example

Oil is an example of a particularly rich but exhaustible stock of a resource.

Human growth rate increase

As humans developed skills to modify the environment, their growth rate increased.

Population saturation

Occurs when the population levels out as it saturates its niche.

Living things compete with each other and other species for biotic and abiotic factors.

Role of environment in growth

The ability to modify the environment has been crucial in increasing human growth rates.

Population growth limitation

Limited by the availability of resources and the carrying capacity of the ecosystem.

Human growth over centuries

Has been slow but steady, increasing with the development of adaptive skills.

Role of mitochondria in cellular respiration

Mitochondria are the powerhouse of the cell, where cellular respiration occurs to produce ATP.

Effect of sickle cell trait on red blood cells

Causes red blood cells to become crescent-shaped, affecting their ability to carry oxygen efficiently.

Carrying capacity in an ecosystem

The maximum population size that an environment can sustain indefinitely given the available resources.

Function of chlorophyll in photosynthesis

Chlorophyll absorbs light energy, which is essential for photosynthesis to occur.

Impact of deforestation on carbon cycle

Deforestation increases carbon dioxide levels in the atmosphere by reducing the number of trees that can absorb CO2.

Role of enzymes in cellular processes

Enzymes act as catalysts to speed up chemical reactions in cells without being consumed.

Function of stomata in plants

Stomata are pores on the leaf surface that allow gas exchange for photosynthesis and respiration.

Effect of temperature on enzyme activity

Enzyme activity increases with temperature up to an optimal point, after which it decreases due to denaturation.

Role of ribosomes in protein synthesis

Ribosomes are the site of protein synthesis where mRNA is translated into polypeptide chains.

Role of ribosomes in protein synthesis

Ribosomes are the site where mRNA is translated into protein, facilitating the assembly of amino acids into protein chains.

Function of chloroplasts in plant cells

Chloroplasts are the site of photosynthesis, where light energy is converted into chemical energy stored in glucose.

Impact of pH on enzyme activity

Enzyme activity is affected by pH levels, with each enzyme having an optimal pH range where it functions best.

Function of mitochondria in cells

Mitochondria are the powerhouse of the cell, generating ATP through cellular respiration.

Impact of light intensity on photosynthesis

Increased light intensity boosts the rate of photosynthesis up to a certain point, beyond which it plateaus.

Role of chlorophyll in photosynthesis

Chlorophyll absorbs light energy, which is then used to convert carbon dioxide and water into glucose and oxygen.

Role of chlorophyll in photosynthesis

Chlorophyll absorbs light energy, which is used to convert carbon dioxide and water into glucose and oxygen.

Impact of temperature on enzyme activity

Enzyme activity increases with temperature up to an optimal point, beyond which it decreases due to denaturation.

Function of the cell membrane

The cell membrane regulates the movement of substances in and out of the cell, providing protection and support.

Role of ATP in cellular activities

ATP provides energy for various cellular processes, acting as a main energy currency in cells.

Function of the cell membrane

The cell membrane regulates the movement of substances in and out of the cell, maintaining homeostasis.

Impact of pH on enzyme activity

Enzyme activity is affected by pH levels, with each enzyme having an optimal pH range for maximum activity.

Cell Biology - Hypertonic Solutions Flashcards

Student preview

51 questions

Show all answers

1.

FLASHCARD QUESTION

Front

The lab setup includes a water plant, light source, and CO2 line to measure photosynthesis.

Back

This setup is used to observe the effects of different light colors on photosynthesis.

2.

FLASHCARD QUESTION

Front

Light Color: Red

Back

Number of Bubbles: 25

3.

FLASHCARD QUESTION

Front

Light Color: Colorless

Back

Number of Bubbles: 45

4.

FLASHCARD QUESTION

Front

The process of cellular respiration.

Back

Breaks down food molecules to release stored energy.

5.

FLASHCARD QUESTION

Front

Outputs of photosynthesis

Back

Glucose and oxygen

6.

FLASHCARD QUESTION

Front

Photosynthesis input example

Back

Water

7.

FLASHCARD QUESTION

Front

Photosynthesis process involves

Back

Conversion of water and carbon dioxide into glucose and oxygen

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