生物
細胞生物學、遺傳學、生態學與生命科學基礎。
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prokaryotic eukaryotic general • size • cell wall • number of cells/org…
| Feature | Prokaryotic | Eukaryotic | | --- | --- | --- | | **General** | | | | Size | ~0.1 - 5.0 μm | ~10 - 100 μm | | Cell wall | Peptidoglycan (in bacteria) | Cellulose (plant…
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part a the most common type of cartilage is ____ cartilage. options (wi…
B. hyaline
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what part of the skin contains blood vessels that help regulate body te…
1) Dermis
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leland is hard of hearing and sometimes has issues with his movement. l…
B. hindbrain (assuming the second option is labeled B, as the original has a typo "hindbrain," but that's the intended option)
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classify the characteristics based on the phase of the cell cycle they …
### Interphase: - Replication of DNA - Centrioles double - Protein Synthesis - Growth phases - G1, S and G2 phases ### Mitosis: - Prophase, Metaphase, Anaphase and Telophase - Div…
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the medulla regulates all of the following, except multiple choice moto…
A. motor coordination
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question 1 (2 points) which epidermal layer is found only on the palms …
2) Stratum lucidum
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osseous tissue is also called ○ ligament ○ fat ○ cartilage ○ bone ○ cel…
D. bone (assuming the options are labeled as A. ligament, B. fat, C. cartilage, D. bone, E. cellulose)
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domain vocabulary: unit 1 name activity page 2.1 on your own paper, wri…
To solve these fill - in - the - blank questions, we analyze each sentence based on the meaning of the words in the word bank: ### Question 1 - **Analysis**: A "bill of attainder"…
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which cell produces the protein fibers in areolar connective tissue? op…
fibroblast
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part a you would find pseudostratified columnar epithelium lining the t…
A. trachea
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which monomer is incorrectly paired? a. protein: monopeptide b. carbohy…
A. protein: monopeptide
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drag the labels onto the diagram to identify the structures of proteins.
- Linear chain of amino acids: Primary structure - Alpha - helix / Pleated sheet: Secondary structure - Single folded polypeptide (with heme): Tertiary structure - Multiple subuni…
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drag the labels onto the diagram to identify the steps in a reaction bo…
1: Reactants 2: With enzyme 3: Without enzyme 4: Stable product
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which of these is not a property of glucose? it is the body’s most impo…
It is a disaccharide
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which of the following molecules is a structural component of the plasm…
B. Phospholipid
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classify the following characteristics based on the phase of mitosis th…
To solve this, we recall the key events of each mitosis phase: ### Prophase: - Chromatin condenses into chromosomes. - Nucleolus disappears. - Spindle fibers start to form, and sp…
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part a a ____ is to a nucleic acid as an amino acid is to a polypeptide…
nucleotide
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friar laurence: i will be brief, for my short date of breath is not so …
B. "their stolen marriage - day", D. "For whom, and not for Tybalt, Juliet pin'd", E. "for it wrought on her / The form of death", C. "then comes she to me"
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multiple choice question the brain is shaped: through external factors …
by skill learning throughout most of a person's life
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the structure shown is comprised of which monomer? options: guanine, gl…
B. Glucose
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q10. if you were to watch an individual neurotransmitter molecule just …
The molecule would rapidly collide with lots of other molecules at first, and then the collision rate would decrease over time as the molecule diffuses away from the axon.
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the right hemisphere of the brain controls motion in and receives sensa…
False
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the tip of the axon is on the left, and the receiving neuron is on the …
All directions equally likely
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part a the alpha - helix is an example of the ______ level of protein s…
B. secondary
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q8. the tips of neuronal axons communicate with other nerve cells by re…
Yes, because the neurotransmitters are at high concentration near the diffusing axon and at low concentration next to the receiving neuron.
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the \a\ in atp stands for ______. options: alpha, adenosine, adenine, a…
B. adenosine
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q7. to move to the roots of a plant, a sugar molecule must exit the cel…
C. Travel away from areas of high sugar concentration, such as the chloroplast, until they enter the phloem.
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in dehydration synthesis reactions, compounds convert water molecules t…
lose water molecules
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brain cells cease being created after childhood. true false need help? …
False
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part a which of the following statements about water is not correct? it…
It is composed of polar molecules. (Wait, no, let's re - evaluate. The question is which statement about water is not correct. Let's analyze each option: - "It is responsible for …
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q7. to move to the roots of a plant, a sugar molecule must exit the cel…
Move randomly within the cell until, by chance, they exit the cell and enter the phloem.
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q6. plants use sunlight to produce sugar molecules in their leaves. som…
D. No, because diffusion only operates over small distances, not over long distances.
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q5. after waiting for a long time, the dye molecules in the pie plate w…
A. Continue moving in the same manner as when the drop was first placed in the water.
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multiple choice question which of the following is required for sterili…
A. Steam under pressure
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purely by genetics bv skill learning throughout most of a persons life …
by skill learning throughout most of a person's life
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the formation of a complex carbohydrate is what type of reaction? optio…
Dehydration synthesis
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q2. an artificial membrane separates two sides of a beaker. the left si…
About 25 glucose molecules will be on the right side of the beaker, and 25 will be on the left side of the beaker.
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during adulthood, new neurons continue to be created in certain areas o…
B. neurogenesis
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q1. diffusion is: directional non-random passive none of the above
C. Passive
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all except which of the following are correct about the actions of enzy…
Enzymes affect the product that is formed.
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select all that apply which of the following are causes of low temperat…
- Underfilling the water reservoir - Failure to preheat the autoclave chamber - Opening the unit too wide during drying
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to understand the process of dna replication, complete each sentence by…
S ### 2. During replication an exact copy of a DNA ______ is produced.
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the \boxed{} lobe of the brain houses the primary auditory area, wernic…
temporal
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select all that apply which of the following do sterilization indicator…
- The load was run for the correct length of time - The correct volume of steam - The correct temperature has been reached
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select all that apply the cerebral cortex is made up of the ______ lobe…
A. temporal, C. parietal, D. occipital, E. frontal
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the cerebral cortex is referred to as the ____ brain. new old animal co…
A. new
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prophase metaphase anaphase telophase dna condenses into chromosomes ch…
## Prophase: - DNA condenses into chromosomes - Centrosomes move to opposite sides of the cell - Mitotic spindle fibers form and attach to centromeres - Nuclear envelope breaks up…
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dna replication occurs during the g2 phase of interphase. true or false…
False
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part a - the cell cycle: interphase the cell cycle is divided into two …
Each chromatin fiber is duplicated in the nucleus.
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which of the following statements about cells is false? view available …
C. Cells join together to form organelles, which then form our organs and organ systems.
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dna replication occurs in mitosis. true or false
False
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where in a typical eukaryotic cell would you expect to find genes? view…
D. in the DNA within the cell’s nucleus
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which of the following acts as the digestive system of the cell, breaki…
D. lysosome
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which of the following is not one of the three major components of a ty…
D. ribosome
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the central core controls ______ of the body. ○ the sensory inhibitors …
C. the basic functions
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multiple choice question motor areas in the cortex control ○ involuntar…
B. voluntary movement.
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the amygdala and hippocampus make up the ______ system. options: - circ…
D. limbic
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the ______ lobe of the brain houses the motor area and broca’s area. op…
D. frontal
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1 population dynamics (continued) check your progress 1. compare and co…
- **Spatial Distribution**: Arrangement of individuals (clumped, uniform, random) in a population’s range. - **Population Density**: Number of individuals per unit area/volume (e.…
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the four lobes of the cerebral cortex are physically separated by deep …
B. sulci
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in addition to balance, the ______ is also involved in several intellec…
D. cerebellum
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10. list the five themes that unify biology.
1. Evolution 2. Structure and Function 3. Information Flow 4. Energy and Matter 5. Interconnections (or Interactions)
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complete the following paragraph to explain the difference between endo…
endocytosis ### Second Blank:
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the limbic system consists of the amygdala and need help? review these …
hippocampus (along with other structures like the hypothalamus, thalamus, etc., but the most common paired structure with amygdala in basic descriptions of the limbic system's mai…
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the limbic system consists of the amygdala and need help? review these …
hippocampus (along with other structures like the hypothalamus, thalamus, cingulate gyrus, etc. But the most common paired structure with amygdala in basic descriptions of the lim…
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part a during osmosis, ____ move(s) across the membrane. options: solut…
solvent
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select all the brain-scanning techniques used by investigators to study…
A. PET, C. fMRI, D. EEG
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the function of the plasma membrane is: ○ all are correct ○ serves as a…
A. all are correct
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question 4 1 pts in the case of osmosis, the membrane is semipermeable.…
B. water can pass through but the sucrose cannot (assuming the second option is labeled B; if first was A and second B, the correct is the second option as explained)
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which statement about dna replication is false? view available hint(s) …
DNA ligase adds nucleotides to the lagging strand.
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multiple choice question of the following behaviors, which is most dire…
D. Balance
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question 5 1 pts what happens in the process of diffusion. substances m…
B. Substances move from areas where they are in high concentration to areas where they are in low concentrations.
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which protein joins together the okazaki fragments of dna in the laggin…
B. DNA ligase
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behavior is produced by complex interactions among sets of neurons in m…
C. brain.
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the central core controls ______ of the body. ○ the muscles ○ the heart…
D. the basic functions
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hormones secreted directly by the pituitary gland control emotional rea…
D. growth.
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which statement best describes strand characteristics as it relates to …
The leading strand is built continuously, and the lagging strand is built in pieces.
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what is the primary purpose of hormones? to deliver electrochemical mes…
To regulate bodily functioning and growth
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which of the following builds new strands of dna? view available hint(s…
B. DNA polymerase
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the branch of psychology that seeks to identify behavior patterns that …
C. evolutionary psychology
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12. rhode island was the last state to ________ the u.s. constitution. …
These are fill - in - the - blank questions related to political science (a sub - field of Social Science: Politics). Here are the answers and brief explanations for each: ### Que…
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which of the following is controlled by the autonomic division of the p…
Heart beat
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part e a vesicle fuses with the plasma membrane and releases its conten…
exocytosis
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the majority of water molecules moving across plasma membranes by osmos…
simple diffusion
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fill in the blank question the division of the peripheral nervous syste…
somatic
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some transport processes use transport proteins in the plasma membrane,…
facilitated diffusion
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which gland controls the functioning of the endocrine system? parathyro…
C. Pituitary gland
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a primary active transport process is one in which ______. view availab…
molecules move through transport proteins that have been activated by ATP
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multiple choice question the ______ nervous system is composed of the a…
D. peripheral
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multiple choice question the ______ system is a chemical communication …
D. endocrine
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what is the function of the nucleolus? it creates strength and support …
It produces rRNA and assembles ribosome subunits
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motor (efferent) neurons convey information ______ from the senses to t…
away from the brain and toward the muscles.
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which of the following organelles is not surrounded by a membrane? ○ ly…
B. ribosome
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question 3 0 / 1 pts which of the two types of cells that make up all l…
eukaryotic
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evolutionary psychology is the study of how: the study of psychology ha…
C. behavior is influenced by our genetic inheritance.
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several neurons are involved in reflexes, for example, ______ neurons s…
B. sensory (afferent)
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question 5 1 pts how do the water molecules move in the case of osmosis…
they move from areas where there are a lower concentration of solutes to an area where there is a higher concentration of solutes.
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the ______ division of the peripheral nervous system functions involunt…
A. autonomic
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question 4 1 pts how do polar compounds, such as amino acids, enter a c…
transported across membrane by proteins