生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
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2.8g of $n_2$ gas at 300 k and 20 atm was allowed to expand isothermall…
$-237\ J$
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select the correct answer. thomas paine was a political writer who ferv…
A. The American colonies should join Britain in any future war against France because the colonists are of English descent.
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select the correct answer. what argument does the author counter in thi…
A. Britain provides ample welfare to all her colonies, including America.
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matching the theory to the scientist match each scientist to his conclu…
Matthias Schleiden - All plants are made of cells. Theodor Schwann - All animals are made of cells. Rudolf Virchow - All cells come from other cells.
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chapter 4: a tour of the ce. 9. describe the nuclear envelope and its f…
9. Double - membrane surrounding nucleus, separates DNA from cytoplasm, has nuclear pores for substance exchange. 10. Components: DNA and histone proteins. Condense during cell di…
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use a horizontal financial statements model to show how each event affe…
| Events | Assets | | = | Liabilities | | + | Stockholders' Equity | | | Income Statement | | | Statement of Cash Flows | | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- |…
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on april 6, home furnishings purchased $35,000 of merchandise from unas…
a. $26,772 b. | Events | Assets | Liabilities | Stockholders' Equity | Revenue | Expenses | Net | Statement of Cash Flows | | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ----…
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what did sigmund freud consider as the key to understanding the nervous…
the unconscious mind
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surface area - to - volume ratio is an important concept as it determin…
Cells are small to maintain a high surface - area - to - volume ratio for efficient material exchange with the environment. As a cell's size increases, its volume grows more rapid…
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identifying the contribution of scientists determine which scientist ma…
- was the first to use word "cell": Robert Hooke - observed "animalcules": Anton van Leeuwenhoek - observed cork cells: Robert Hooke - used polished lens: Anton van Leeuwenhoek
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surface area - to - volume ratio is an important concept as it determin…
a. The surface - area to volume ratio decreases. b. It limits the cell's ability to exchange materials efficiently as there is not enough surface area relative to the volume to su…
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modern agriculture has provided us with access to food and other import…
Engineers and scientists are modeling agricultural practices after natural prairie ecosystems, using deep - rooted plants that survive year to year to reduce the impact on soil by…
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dr. ian malcolm studies how certain personality traits get passed down …
a. evolutionary psychologist
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psychological concepts have been discussed since the beginning of time.…
B. philosophy
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which glass solutions was hypertonic to the potato? a saltwater b fresh…
- Question 8: A. Saltwater - Question 9: C. because they contain sugars and the water moves back into them by osmosis. - Question 10: A. Because it is hypertonic to the body and w…
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how would describe the potato strip in saltwater? a firm and rigid b so…
1. B. soft and flaccid 2. No answer (lack of data) 3. B. became firm and rigid 4. B. Freshwater
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which glass did the color diffuse the fastest? a cold water b hot water…
Question 1: B. Hot Water Question 2: B. Cold temperatures will slow down diffusion Question 3: A. firm and rigid
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study the line graph to the right and answer the following questions. w…
- The information shown is the relationship between fertilizer amount and average plant height for different plant types. - Corn plants: Height steadily increases as fertilizer am…
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all of the following are true about process selection models, except se…
The statement "process selection models seek to determine quantities of a product to make using alternative processes" is false. The other statements are true.
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which of the following elements is not among the top six most abundant …
D. calcium, G. sodium
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question 15 (1.5 points) organisms like the antarctic icefish that live…
adaptations that prevent the formation of ice crystals in body fluids
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question 14 (1.5 points) saved water striders are insects that walk on …
B. have adaptations that distribute body weight so that it doesn't exceed the surface tension of the water - air interface.
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the two strands of a dna double helix are held together by ______ that …
D. hydrogen bonds
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if a dna double helix is 100 nucleotide pairs long and contains 25 aden…
75
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which of the following words means a small mass within the nucleus? mul…
B. nucleolus
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the word hormone comes from the greek word meaning multiple choice glas…
set in motion
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24) cell studies isolate specific types of cells and grow them in the l…
True
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which of the following is the correct definition for anabolism? multipl…
D. Buildup of complex material from simpler ones.
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which of these statements best sums up evolution? rapid change in speci…
change in a population through genetic variation over time
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australopithecus is an ape that lived in trees, but could walk on two f…
C. Australopithecus is a transitional form between apes and humans.
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23) the cells in cell culture studies are used to: study the effects of…
Study the effects of nutrients and other components on metabolic processes
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marsupials are found in north america and australia, but they would not…
The continents were once connected, and marsupials were able to migrate over the land.
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which of the following words means study of the structure and function …
C. histology
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cytology refers to study of the structure and function of multiple choi…
B. a cell
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union of a sperm and an egg is known as multiple choice blastocyst. fer…
B. fertilization.
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dogs have a reduced nonfunctional digit on their paws known as a dewcla…
C. vestigial structure
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which of the following words mean any whole, living individual plant or…
organism
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wisdom teeth are the third and final set of human molars that come in d…
vestigial
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part a the difference between an aldose sugar and a ketose sugar is the…
D. the position of the carbonyl group
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20) which of the following ensures that only high - quality research fi…
D. Peer review
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which of the following is a biological advantage of storing glucose mol…
They have more sites for enzymatic attack than do unbranched polymers.
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19) before articles are published in reputable scientific journals, oth…
True
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note: please make sure to properly format your answers. all dollar figu…
a. =SUM(C2:C8) b. =C3/SUM($C$2:$C$8) c. =C7/SUM($C$2:$C$8) d. =E3+C4 e. =E5/SUM($C$2:$C$8)
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click and drag the labels to construct an accurate statement regarding …
1. ribosomes, proteins 2. mitochondria, ATP 3. lysosomes, digestive 4. cells, peroxisomes
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14. label each of the blanks on the graph with the following stages of …
From left - to - right on the graph (starting from the steep upward curve): 1) exponential growth, 2) overshoot, 3) decline, 4) recovery, 5) carrying capacity (the horizontal dash…
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05 hw levels of structure in proteins sort the items into the appropria…
Primary structure: Third image (amino - acid chain) Secondary structure: Second image (alpha - helix), Fifth image (beta - sheet) Tertiary structure: First image (single folded ch…
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14) which of the following is considered to be the \cornerstone of nutr…
Epidemiological studies
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classify these amino acids as acidic, basic, neutral polar, or neutral …
Phenylalanine: neutral nonpolar Methionine: neutral nonpolar Proline: neutral nonpolar Serine: neutral polar Lysine: basic
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classify these amino acids as acidic, basic, neutral polar, or neutral …
Glutamine: neutral polar Arginine: basic Alanine: neutral nonpolar Asparagine: neutral polar
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loosely coiled fine strands containing protein and dna are called multi…
B. chromatin
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14 which of the following cellular structures is not easily visible wit…
DNA
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what functional feature(s) does the phosphate group contribute to the s…
1. For the first question: place to attach another small charged molecule, negative charge to interact with water 2. For the second question: hydrophilic and hydrophobic interacti…
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13 the nuclear envelope contains nuclear pores. true or false true false
True
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the outer boundary of a cell is the multiple choice mitochondrial membr…
B. plasma membrane
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11 easily attainable living cells observed in the lab are from multiple…
A. inside the cheek
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a slide of human cheek cells can be stained to observe ____________ und…
the plasma membrane and nucleus
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which of the following cellular structures is located in the cytoplasm?…
A. Ribosome
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cellular energy is stored in multiple choice er. atp. dna. rna.
B. ATP
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8) the area of research that explores the effect of specific nutrients …
Nutrigenomics
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7 discuss the ecological benefits that the presence of sponges may have…
7. Sponges filter water, improving water quality for other aquatic organisms. They also serve as habitats and food sources for various species. 8. Sponges were placed in $Ca^{2+}/…
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the smooth er possesses ribosomes. true or false true false
False
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2 what is the advantage of a folded or convoluted body wall in sponges?…
1. Increases surface - area to volume ratio for enhanced functions. 2. Simple cell - aggregate body plan without true tissues/organs; body plan not diversified. 3. Choanocytes; ca…
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during the pathophysiology of rheumatoid arthritis, what happens to the…
Hyperplasia
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match each type of fossil to its description. identifying fossil types …
carbon film - detail left after an organism decays trace fossil - record of an organism's activity cast - solid copy petrified fossil - living thing turned to rock mold - hollow f…
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question 12 1 pts the point on the suns path farthest south is called t…
C. winter solstice
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question 11 1 pts the changing position of the north celestial pole ove…
D. precession
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have more papillae on their tongues than do other people. acquire their…
have more papillae on their tongues than do other people.
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the nose acts as an accessory structure to collect airborne odor molecu…
the olfactory sensory nerve cells.
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which one of the following is the best way to treat nerve deafness? sur…
Surgical implantation of artificial cochlea
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which one of the following is the best way to treat nerve deafness? sur…
Surgical implantation of artificial cochlea
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connections and transitions quick check \why are yawns contagious? we a…
to group together explanations to the same question
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click and drag the structures or functional descriptions to match the p…
Plasma (Cell) Membrane: Double layer of phospholipids, Selectively permeable membrane, Channel proteins, Glycoproteins and glycolipids, Cholesterol Nucleus: Nucleolus, Hereditary …
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which of the following stained cellular structures is the most visible …
D. Nucleus
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question 10 1 pts in most plants the mature male gametophyte is called …
D. pollen grain / embryo sac
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question 9 1 pts in terms of flower symmetry, ________ flowers can be d…
B. irregular
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question 8 1 pts all of the petals of a flower are called the ______ wh…
B. corolla / calyx
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question 7 1 pts __________ plants like holly or willow have separate s…
Dioecious
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in monocot flowers like lilies and tulips the sepals and petals are ide…
D. tepals
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angiosperms are known for double fertilization; one sperm fuses with an…
zygote / endosperm
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question 4 1 pts large showy flowers are often animal - pollinated; sma…
True
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the passage below describes a process of scientific inquiry. select the…
He predicted that using mouthwash daily would reduce the amount of bacteria in his mouth.
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what is the name of the bright red leaves (often incorrectly called pet…
B. bracts
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self - pollination is the preferred mechanism in plants because it prom…
False
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transduction occurs in ________ accessory structures acoustic nerves ne…
neural receptors
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question 1 1 pts a(n) ________ is the arrangement of flowers into clust…
C. inflorescence
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this term refers to the pressure a liquid exerts against a structure, s…
D. turgor
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what can cause an enzyme to be denatured? o ph o salt o all of these ca…
C. all of these can cause denaturation
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quiz 5 --ground rules of metabolism started: sep 12 at 8:40pm quiz inst…
they raise activation energy of a reaction
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in what type of transport would large, insoluble molecules move into a …
D. endocytosis
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which type of transport requires energy and would be used to move subst…
C. Active transport
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if a cell with an internal concentration of 5% glucose is submerged in …
Water will move out of the cell
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question 5 5 pts what are some factors that contribute to internal viol…
Poverty, Loss of identity, Access to mental health resources, Breakdown of family and nation structures, Generational trauma from boarding schools
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which type of material can easily pass through a cell membrane without …
None of the above
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________ are specialized membrane proteins that transport water across …
Aquaporins
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the passage below describes a process of scientific inquiry. select the…
She predicted that less mold would grow on her bread if she stored it in dark bins.
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select the correct word(s) using the drop - down list that correctly co…
1. objective lens 2. condenser 3. coarse adjustment knob 4. high - power 5. ocular lens 6. low - power 7. stage clips 8. arm 9. low - power
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question 19 (2.5 points) the digestive action of the stomach begins whe…
Question 19: d) nervous system Question 20: Cells throughout the body
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this type of junction prevents fluids from leaking between adjoining ce…
tight junction
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2. if the specimen is appearing too dark, the light entering the (click…
2. condenser 3. coarse adjustment knob 4. oil immersion 5. ocular lens 6. low - power 7. stage clips 8. arm 9. lowest
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question 17 (2.5 points) what is the purpose of bile in the digestive p…
Question 17: B. Emulsifies fats Question 18: False