The kinetics of transport is the speed at which a cell transports a solute across a membrane. Active transport kinetics tends to have the shape of the graph shown below. Choose the best words or phrases that explain why the graph appears this way.
2
Match the following functions with the types of organic molecules they belong in. The functions may match to more than one molecule type.
provide energy for the cell
component of cell membranes
catalyze chemical reactions
store genetic information
structure of cell walls
Nucleic Acids
Proteins
Carbohydrates
Lipids
Match the following types of molecules with the correct group of macromolecules.
waxes
glucose
fructose
DNA Polymerase
amylase
sterols
DNA
RNA
fat
Carbohydrates
Lipids
Protein
Nucleic Acids
Which of the following are true statements about enzymes?
What are some examples of organic and inorganic molecules? Classify each object into the proper group.
ethanol (C2H5OH)
water (H2O)
carbon dioxide (CO2)
methane (CH4)
nitrates (NO31-)
diamonds (C)
disulfur (S2)
glycine (an amino acid; C2H5NO2)
Organic
Inorganic
Classify the following as a characteristic of prokaryotic, eukaryotic, or both.
vacuoles
Golgi apparatus
ribosomes
nucleoid
mitochondria
cell membrane
Prokaryotic
Eukaryotic
Both
Which of the following are components of the cell theory?
Match the following organelles with their function.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
chromatin | arrow_right_alt | serves as a barrier to unwanted chemicals; controls which substances move into and out of the cell. |
cell membrane | arrow_right_alt | the fluid part of a cell |
mitochondria | arrow_right_alt | holds the genetic material of the cell |
endoplasmic reticulum | arrow_right_alt | a macromolecular complex enabling efficient packaging of DNA |
cytosol/cytoplasm | arrow_right_alt | convert chemical energy obtained from food into energy-rich compounds |
Golgi apparatus | arrow_right_alt | produce sugars and starches via the process of photosynthesis |
chloroplasts | arrow_right_alt | contain digestive enzymes that break down food into simpler molecules |
nucleus | arrow_right_alt | where proteins are modified and exported to the rest of the cell. |
lysosomes | arrow_right_alt | will hold ribosomes on its surface (rough) and are involved in detoxifying chemicals (smooth) |
The kinetics of transport is the speed at which a cell transports a solute across a membrane. Active transport kinetics tends to have the shape of the graph shown below. Choose the best words or phrases that explain why the graph appears this way.
Classify the following as characteristics of either prokaryotic or eukaryotic cell division by dragging them to the correct column.
A growth period separates the DNA replication and the actual cell division.
Division involves mitosis to associate a complete set of chromosomes with each daughter nucleus.
Divides by binary fission.
A single chromosome replicates, and two copies attach to either end of the cell membrane.
Prokaryotic
Eukaryotic
Match the following terms or processes with the best definition.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
G2 | arrow_right_alt | Cell grows & prepares for DNA replication. |
M | arrow_right_alt | DNA replication occurs. |
S | arrow_right_alt | Cell checks for DNA erros & prepares to divide. |
G1 | arrow_right_alt | Cell division takes place and is completed. |
Read the following questions. Select those that could be answered through an investigation of chromosome structure.
The cell cycle is responsible for the reproduction of cells in the body. Place the steps of the cell cycle in order.
In a diagnosis of cancer, a doctor ordered a karyotype of a suspect tissue. The karyotype is returned as shown below, and it confirms his diagnosis of cancer. How does the karyotype confirm the doctor’s diagnosis?
Which of the following can engage in sexual reproduction? Select all that apply.
Match each phrase to the correct category.
two daughter cells
crossing over occurs
four daughter cells
daughter cells are haploid
daughter cells are diploid
Mitosis
Meiosis
Asexual and sexual reproduction share many similarities and have many differences. Study the characteristics listed and then drag each into the correct column to classify it as either an asexual reproduction characteristic, a sexual reproduction characteristic, or both.
requires more energy input
offspring are genetically different from parent
produces offspring
involves one parent
involves two parents
involves cell division
no formation of gametes
essential for survival of species
offspring are genetically identical to parent
Asexual Reproduction Characteristic
Both Asexual Reproduction and Sexual Reproduction Characteristics
Sexual Reproduction Characteristic
Select the correct statements that belong to either haploid or diploid cells.
4 pairs of homologous chromosomes
4 non-homologous chromosomes
Gametes
Somatic cells
1N
2N
Diploid
Haploid
The muscular system interacts with other body systems to perform life’s functions. Classify each of the following terms as belonging to the muscular system, another body system, or both by dragging them to the correct box.
adrenal gland
cell
heart
bone
neuron
vertebrae
biceps
ligament
tendon
connective tissue
cartilage
trachea
Muscular System
Other Body System
Both
Match the following organ system with an example of its function.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
endocrine | arrow_right_alt | Oxygen, nutrients, wastes, and chemical messengers are transported. |
nervous | arrow_right_alt | Nutrients, salts, and water are broken down and absorbed |
respiratory | arrow_right_alt | Growth, development, and metabolism are regulated. |
integumentary | arrow_right_alt | Fluid levels are maintained, and waste is eliminated. |
excretory | arrow_right_alt | Responses to changes in the internal and external environment are regulated. |
digestive | arrow_right_alt | Gases such as O2, CO2, and water vapor are transferred. |
circulatory | arrow_right_alt | Body temperature is regulated, and a barrier function is fulfilled. |
Multicellular organisms are organized in a hierarchical manner. Match the organism component with the correct level in the hierarchy.
Heart
Mitochondria
Xylem tracheid
Triceps
Neuron
Smooth Muscle
Organelle
Cell
Tissue
Organ
Organs in the digestive system sometimes fail. Doctors can diagnose this by analyzing a patient’s symptoms. Match each organ to a symptom that would occur if it failed.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Stomach | arrow_right_alt | The patient cannot eat through the mouth. |
Esophagus | arrow_right_alt | The patient cannot properly reabsorb water from food. |
Small intestines | arrow_right_alt | The patient cannot store food for later digestion. |
Large intestines | arrow_right_alt | The patient cannot enzymatically break down proteins fully. |
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