生物
细胞生物学、遗传学、生态学与生命科学基础。
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the amoeba, one of the largest eukaryotic single cells on earth, can be…
Light microscope
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5. what is a diurnal motion? a. autumnal equinox b. eastward rise of st…
5. A. Autumnal equinox 6. C. Summer solstice
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question 12 5 pts in the context of globalization, which of the followi…
D. Bribery
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which statement most accurately describes the interaction between er, r…
Ribosomes manufacture proteins that travel through the ER to be packaged by the Golgi bodies for export.
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prokaryotes and eukaryotes are primarily distinguished by the absence o…
No; although prokaryotic cells are comparatively less efficient than eukaryotic cells, they are still able to carry out the processes necessary for survival and reproduction.
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20 fill in the blank 1 point complete this statement: the salivary glan…
glandular
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question 3 1 pts in the section \a different approach\: \given a contai…
A. membrane
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question 2 1 pts if the concentration of sugar molecules in water on si…
The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A"
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question 1 1 pts which of the following is not a function of membrane p…
produce energy
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4. study the image below. analyze the situation represented, and based …
No image is provided, so a full - fledged answer cannot be given. However, in general terms for the steps leading up to protein synthesis and its importance in a multicellular org…
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45 multiple choice 2 points a female with color blindness has a daughte…
The daughter is homozygous for the color blindness gene.
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43 multiple choice 2 points smaller daughter cells produced by mitotic …
B. blastomeres
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42 multiple choice 2 points edward has brown eyes (bb) and fathers a ch…
100%
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40 multiple choice 2 points high concentrations of chloride are expecte…
extracellular fluid.
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practice: types of cellular transport read each statement and place a c…
1. Passive 2. Active 3. Active 4. Passive 5. Passive 6. Active 7. Osmosis 8. Facilitated Diffusion 9. Diffusion 10. Endocytosis, Exocytosis 11. Molecular Pumps 12. Hypertonic Solu…
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39 multiple choice 2 points which of the following symptoms are associa…
B. Tachycardia, hypernatremia, and concentrated urine
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suppose a biologist studying the mechanical limitations of growth among…
$Q_1 = 23.75$ cm, $Q_3 = 29$ cm, $IQR = 5.25$ cm
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37 multiple choice 2 points which of the following patients is more lik…
A. 2 - year - old female
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1. which best explains why the earth is not disk - shaped? a. stars are…
1. B. The shadow cast by the Earth during a lunar eclipse is circular. 2. C. Sunset 3. C. Retrograde of Mars
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36 multiple choice 2 points which of the following will most likely occ…
Sperm production will be inhibited
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how do biomolecules contribute to the structure and function of a cell?…
Lipids (phospholipids form bilayer, cholesterol maintains fluidity), carbohydrates (glycoproteins and glycolipids for cell - cell recognition), proteins (channel proteins for mole…
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34 multiple choice 2 points the ____ contains enzymes that aid the sper…
B. acrosome
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match the biomolecule to its primary function. drag and drop the terms …
- Act as enzymes, structural components, and signaling molecules: Proteins - Form the cell membrane and store energy: Lipids - Provide structural support and energy for cellular a…
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you are looking into the microscope at a cell that you placed into salt…
plant cell
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32 multiple choice 2 points fetal development begins at ____________ wh…
C. fertilization
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analyze the biomolecule pictured. select the correct statement. it is a…
It is a nucleic acid. It is composed of atoms of carbon, hydrogen, oxygen, nitrogen, and phosphorus.
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what primarily drives capillary action in water? waters low surface ten…
cohesion, adhesion and surface tension
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31 multiple choice 2 points which cells control the chemical environmen…
C. Sertoli cells
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the diagram shows an event that occurs during meiosis. what is the resu…
chromosomes that are a genetic combination of the parent chromosomes
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which of the following functions of living organisms can be carried out…
metabolize and use energy: host use nucleic acid (like DNA) as the genetic material: virus maintain internal homeostasis: host reproduce: host
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c. explain how the structure of the cell shown in the diagram allows lo…
Eukaryotic cells (the cell type likely shown in the diagram) have membrane - bound organelles which allow for the localization of reactions. For example, mitochondria are the site…
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question 10 1 pts which of the following properties of water allows it …
Which of the following properties of water allows it to form droplets on surfaces?
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select the correct statement(s). specialized nucleotides, like atp, are…
1. Specialized nucleotides, like ATP, are derived from nucleic acids and facilitate energy transfer in cells. 2. RNA translates genetic information into proteins and regulates cel…
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28 multiple choice 2 points when does oogenesis end? before birth after…
B. After fertilization
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complete the following passage. its a sad day. you bought a fish at the…
It seems that you put your fish into a hypertonic environment and, due to osmosis, water has flowed out of your pet's cells.
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proteins have a variety of functions within a living cell. what are the…
Proteins are made of amino acids bonded together in a variety of ways and can function as enzymes, transport, and structure. Proteins function as storage, movement, and defense an…
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function\ttype of protein regulate gene expression and organize dna cat…
1. Transcription factors and histones 2. Amylases, lipases, proteases, and nucleases 3. Channel proteins, peripheral proteins, and hemoglobin 4. Insulin 5. Actin and myosin 6. Ant…
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4.7. describe the role of any given organelle in a eukaryotic cell. aft…
1. Golgi apparatus 2. mitochondria 3. nucleus 4. nuclear pores
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during flu season, the influenza virus infects many people. during infe…
receptor - mediated
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practice: putting it all together part 1: fill in the blank 1. what pro…
1. Selective permeability 2. Lipid bilayer 3. Osmosis 4. Active transport 5. Osmosis; Water moves across the cell membrane from an area of high water concentration to an area of l…
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glycerol (an alcohol) + 3 fatty acid molecules a protein is being broke…
B. A lipid is being formed C. It shows dehydration synthesis. D. Water is being formed. F. it is an example of condensation.
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24 multiple choice 2 points which of the following is produced during f…
Primary oocytes
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evaluate it! analyze the biomolecule pictured. select the correct state…
It is a lipid. It is composed of carbon, hydrogen, and oxygen atoms. However, it has few oxygen atoms compared to carbon and hydrogen atoms.
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23 multiple choice 2 points a drop in blood pressure will signal the ca…
D. renin
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a. what structural feature do the nucleus, mitochondria, golgi apparatu…
a. They are all membrane - bound. b. Membrane - bound organelles allow for compartmentalization, which increases the efficiency of cellular processes by creating isolated environm…
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you read in an article that a new compound has been discovered that pre…
Plant cells would be affected because they contain mitochondria. Animal cells would be affected because they contain mitochondria. Bacterial cells would not be affected because th…
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(01.02 mc) what monomer is made up of a base, a sugar, and a phosphate …
C. Nucleotide
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three different proteins were isolated from the same bacterial cells an…
Interactions between R groups in Protein A add up to greater stabilization of tertiary structure than interactions between R groups in Protein B or Protein C.
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practice it! drag and drop the types of lipids to match their function …
Act as signaling molecules and regulates metabolic processes: Steroid Hormones Provide long - term energy storage in adipose tissue: Triglycerides Form the structural foundation o…
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(0102 mc) what biological macromolecule is made up of monomers like the…
Carbohydrate
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hhmi biointeractive modeling disease spread 14. consider how many indiv…
a. The 'I' curve in an SIR model shows the number of infectious cases on a given day. b. Sum up the daily new - infection counts up to the certain point. c. Sum the daily new - in…
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19 multiple choice 2 points which chromosomes indicate a normal female …
A. XX
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match each function to the appropriate organelle. molecule storage and …
molecule storage and breakdown - lysosome lipid synthesis - smooth endoplasmic reticulum storage of water and other molecules - vacuole external cell structure - cell wall protein…
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(01.02 mc) dna and rna are both made up of nucleotides and carry molecu…
A. molecules that contain genetic information and are made up of nucleotides
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cellulose is made of special non - digestible monomers but glycogen and…
The arrangement of the monomers in cellulose make it impossible to be broken down without special enzymes.
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18 multiple choice 2 points __________ is the primary anion found in th…
C. Chloride
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some viruses, such as measles, bind to receptors on the cell and are th…
False
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(0102 mc) a carbohydrate molecule is a macromolecule made of amino acid…
made up of the monosaccharide glucose and serves as an energy reserve in plants and animals
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federal government spending (2010) the pie chart shows federal spending…
education/health and human services
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organisms that live at low ph (acidophiles) have to maintain a homeosta…
active transport
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1. explain four pieces of evidence that support the common ancestry of …
1. Similar cell - structure with membrane - bound organelles. 2. Universal genetic code. 3. Fossil record progression. 4. Molecular phylogenetics (DNA and protein sequence similar…
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to mechanically wilt kale, chefs sometimes make a massaged kale salad. …
cell wall
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after the revolutionary war, how did the national government get its mo…
The Continental Congress requested money from the states.
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which type of lipid are most types of oil? saturated unsaturated
B. unsaturated
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3 end 5 end phosphodiester linkage the red dotted lines represent coval…
- its nucleic acid polymer - The red dotted lines represent hydrogen bonds - It is DNA
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prior to cell theory and germ theory, in the 1600s - 1800s, some scient…
Cells arise from preexisting cells., All living cells came from another living cell., All living things are composed of cells., The cell is the basic unit of life.
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which type of transport requires energy to move molecules from an area …
active
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the following image shows a white blood cell engulfing a yeast cell thr…
endocytosis
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11 multiple choice 2 points an individual inherits blue eyes from his g…
autosomal chromosomes.
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which region of a phospholipid—the head or the tail—can be described by…
polar: head hydrophilic: head nonpolar: tail hydrophobic: tail
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match the cell type to its image. plant cell eukaryote bacterial cell p…
Left - hand cell: plant cell, eukaryote Right - hand cell: bacterial cell, prokaryote
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multiple choice 2 points the presence of white blood cells in the urine…
urinary tract infection.
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6 multiple choice 2 points if osmolarity of the ecf decreases, it would…
B. cells
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directions: use your unit 1 ref. sheet, class notes & materials to answ…
For Argument for progress: EV 1: The French Revolution was inspired by Enlightenment ideals of liberty, equality, and fraternity, leading to the overthrow of the monarchy and the …
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drag each item on the left to its matching item on the right. note that…
- amino acid: facilitated diffusion - $CO_2$: simple diffusion - $K^+$: facilitated diffusion - $Na^+$: active transport - $Ca^{+}$: passive transport
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name: ______________ period: ___ date: ______________ enlightenment, re…
| Idea (Identify + briefly explain) | How did this idea challenge the status quo? | | --- | --- | | Reason: The use of logical thinking to understand and change the world. | Chall…
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which part of an amino acid determines its characteristic and, therefor…
A. Cysteine
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match the different ions and molecules to the type of transport needed …
- Amino acid: facilitated diffusion - $CO_2$: simple diffusion - $K^+$: facilitated diffusion - $Na^+$: active transport - $Ca^+$: active transport
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biointeractive modeling disease spread c. using this table, the \sir da…
12. a. Susceptible: Decreases over time. Infectious: Rises, peaks, then declines. Removed: Increases over time. b. Susceptible to Infectious. Infectious to Removed. None for Remov…
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which organelles are responsible for energy processing in animal and pl…
chloroplasts, mitochondria
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the establishment of japanese automakers branch plants in canada does n…
C. national account
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18. describe the following parts of the lemon shark experiment: indepen…
Independent Variable - The factor deliberately manipulated in the experiment (e.g., type of stimuli for lemon - sharks). Dependent Variable - The factor measured or observed that …
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which of the following are living? scientists such as sophie gobeil a r…
scientists such as Sophie Gobeil - living, a rocky outcropping - nonliving, bacteria like Salmonella - living, a petri dish - nonliving
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spike proteins from the covid - 19 virus attach to the ace2 spike prote…
receptor - mediated endocytosis
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occurs when lower - cost external suppliers are replaced by higher - co…
B. Trade diversion
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total merchandise exports (2010 - 2012) which might be a better title f…
Total Exports for the United States and China
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match the description of transport protein or transport type to the ima…
- Left - most image: passive carrier proteins, facilitated diffusion - Right - most image: active carrier proteins, active transport
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sometimes an economy cannot grow because of external factors, such as l…
low demand for exports.
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which describes a factor that limits economic growth? making investment…
having low internal demand
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ch. 2 - 1 earth & suns energy pgs 26 - 29 1. define the following using…
1. Solar energy: Energy from the Sun. 2. Rotation: Earth's spin on axis. 3. Revolution: Earth's yearly orbit. 4. Tropics: Equator - adjacent regions. 6. Freshwater: Non - saline w…
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match the description of transport protein or transport type to the ima…
From left to right: Passive carrier proteins and facilitated diffusion, Active carrier proteins and active transport
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which scenario describes a renewable resource being used for energy? a …
A power company generates electricity using a river’s current.
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so, can any computer help out with health care? whats the difference be…
AI will be very useful in medicine because, unlike regular computers, AI machines learn and change. AI can already tell how two skin problems are connected. Ray Kurzweil thinks AI…
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what part of the nucleotide should you look at if you are trying to det…
1. C. Examine the nitrogenous base 2. A. Uracil
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true or false: only animal cells have a cell membrane. true false
False
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chinas economic expansion after the cultural revolution is a result of …
D. new socialist reforms
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so, can any computer help out with health care? whats the difference be…
AI will be very useful in medicine because, unlike regular computers, AI machines learn and change. AI can already tell how two skin problems are connected. AI is already being us…
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question 2 look at the molecule shown below. which statement about this…
This molecule is an unsaturated fatty acid.
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so, can any computer help out with health care? whats the difference be…
AI will be very useful in medicine because, unlike regular computers, AI machines can learn and change.
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c4u macromolecule 1 multiple choice 5 points which level of protein org…
C. primary