生物
细胞生物学、遗传学、生态学与生命科学基础。
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what green pigment is inside the chloroplasts? chloride chlorophyll chl…
B. Chlorophyll
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rough endoplasmic reticulum has ribosomes attached to it. true false
TRUE
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where does photosynthesis happen in a plant? in the stomata after it ra…
Chlorophyll inside the chloroplasts.
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a lysosome is found in the nucleus of a cell. true false
FALSE
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a vesicle is covered by at least one lipid bilayer. true false
TRUE
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list 3 reasons why the mughal empire declined. (3 pts) no began to gain…
1. Succession issues causing internal strife. 2. External invasions depleting resources. 3. Rise of European colonial powers taking advantage of the situation.
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the endoplasmic reticulum performs functions such as _____. a protein s…
c. Both A and B
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the membrane of the rer is continuous with the outer layer of the mitoc…
FALSE
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explain how animal welfare can affect the reliability of research data.…
1. Poor animal welfare can lead to inaccurate data due to stress - related changes in animals. 2. In - vitro (cell - based) testing is an alternative to animal experimentation. 3.…
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eukaryotic cells have organelles such as ___. a golgi apparatus b endop…
d. All of the above
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lysosomes break down injured cells. this process is called ____. a auto…
A. Autolysis
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in plants, the golgi apparatus contains enzymes that synthesize some of…
a. TRUE
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analyze craft and structure: magical realism. read the passage from a s…
B. a contrast between routine details and a fantastical occurrence
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peroxisomes are common in _____. a liver cells b kidney cells c both a …
C. Both A and B
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reviewing fossil evidence which statements accurately describe the evid…
- The fossil record can be used to date rocks. - Geologists study ancient remains of plants and animals. - Scientists can figure out what ancient living things ate. - Pollen and s…
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seasons are primarily caused by... * solar wind atmospheric conditions …
For the first question: D. Earth's tilt and revolution For the second question: A. Seasons are caused by Earth's distance from the Sun
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which organelles are used as chemical reaction chambers? a vesicles b l…
a. Vesicles
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d) approximately how many hours would it take for the population to rea…
a) $V(t)=1995(1.0325)^t$ b) Approximately $\$83.83$
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some chemical reactions in cells take place inside vesicles. true false
TRUE
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which of the following is a sentence fragment? marina, an excellent bas…
Marina, an excellent basketball player.
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the main difference between the rough endoplasmic reticulum and smooth …
TRUE
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plants and animals both have smooth endoplasmic reticulum. true false
TRUE
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which of the following is a function of the rough endoplasmic reticulum…
c. move proteins to their destinations
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what is a revolution in astronomical terms? * earths spinning changing …
C. One complete orbit around the Sun
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translation involves the assembling of proteins. which of the following…
D. tRNA
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contesta: cierto o falso ● las células vegetal y animal son células pro…
1. Falso 2. Cierto 3. Falso
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which of the following best describes the product of dna transcription?…
D. an RNA molecule
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what is the role of enzymes in the dna replication process? enzymes lin…
Enzymes read the DNA code and build a new DNA molecule from scratch.
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which of the following is a function of the rough endoplasmic reticulum…
C. move proteins to their destinations
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which of the following best describes the structure of dna? a. an amino…
C. a polymer formed from linked subunits of four kinds of nitrogenous bases
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what was one reason for the increased use of animal experimentation in …
1. Growth of medical research institutions 2. Zebrafish
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3 which nitrogenous bases are needed to complete the dna strand picture…
3. adenine, thymine, guanine, cytosine 4. It is identical or nearly identical to the first DNA molecule
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a sequence of nucleotides is shown below. what does this sequence provi…
A. proteins
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1. which pair of nitrogenous bases will form a bond in a dna molecule? …
1. B. adenine and thymine 2. B. a phosphate, a deoxyribose, and a nitrogenous base
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the diagram below shows a polypeptide chain folding to become a protein…
D. the sequence of nucleotides in the DNA template
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geologists want to understand why mountains exist in certain locations …
C. Analyzing field mapping by looking for patterns in land elevation changes
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which of the following are involved in rna translation? i. mrna ii. trn…
C. I, II, III, and IV
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the size of cells is limited by: the ratio of surface area to volume th…
the ratio of surface area to volume
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question 5 of 12 use the interactive to answer the question. template s…
We need the specific position on the DNA template strand to determine the exact RNA nucleotide. But in general, follow the A - U, T - A, G - C, C - G base - pairing rules for tran…
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the process of dna replication is biologically significant because it a…
D. copy their DNA before cell division.
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a dna sequence reads atcagcta. select the mrna sequence that would corr…
C. UAGUCGAU
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what sequence of amino acids would be coded by the following set of nuc…
D. Ser, Ile, Ser, Arg, Cys
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this process is called ______________________ fermentation transpiratio…
cellular respiration
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question 3 of 12 classify each example or definition as applying to eit…
Genotype: a pair of alleles, rr, an organism's genetic makeup Phenotype: the physical or physiological expression of the genes an organism possesses, red hair
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which of the following best describes a gene? a. a region of dna that c…
A. a region of DNA that codes for a protein product
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directions: type your answer in the box. you may use numerals or words.…
4
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which statements give examples of uses for genetically - modified organ…
- replacing an allele for a disorder with a healthy allele - creating crops with a gene for pest resistance - creating goats that produce spider silk for research
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how long does it take earth to complete one full revolution around the …
B. 365 days, C. 12 months
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question 1 of 12 how do the nucleus and ribosomes work together to gene…
In the nucleus, an mRNA copy of a gene is produced, which ribosomes use as instructions to synthesize a specific protein.
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analyze craft and structure: from the cask of amontillado, edgar the fo…
B. symbolic images D. psychological drama
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what are the most common bacteria in the guts of each group? (italians …
This information would need to be obtained from specific scientific studies on the gut microbiomes of Italians and Hadza. Without access to such research data, a specific answer c…
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decision making focuses on choosing among alternatives, while problem s…
D. creating solutions
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read the following quotation. i again paused, and holding the flambeaux…
B. It uses dramatic and descriptive language.
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the process of generating alternatives to work on is multiple choice gi…
B. problem - solving
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part a how does the account of fortunato in paragraphs 10 and 11 most c…
A. It describes a character in torment, using dramatic language.
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multiple - choice question napoleons accomplishments: was napoleon a ra…
No. He wanted to restore the Church, but controlled by the French state and without all of the wealth and privileges it enjoyed before the Revolution.
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suffix matching * 7 points person who studies plasma stopping, controll…
person who studies: -ologist plasma: -plasm stopping, controlling: -stasis small: -ule cell: -cyte loosening, destruction: -lysis pertaining to: -ac
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3. how are cooperative behaviors in humans similar to cooperative behav…
Similarities: Both cooperate for survival and mutual benefit. Differences: Humans have complex cognitive and cultural cooperation with long - term planning; bacteria cooperate via…
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a complete the sentences with the correct form of be. use contractions …
A. 1. I'm Yong - Min. 2. Ms. Costa is a photographer. Her job is very interesting. 3. They are journalists. They are from Brazil and Chile. 4. You are a dancer! What's that like? …
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question 1-4 a scientist discovers a fossil that challenges the current…
B. Consider revising existing theories to include the new evidence
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categorize each of the processes as passive transport or active transpo…
- Sodium - potassium ATPase pumps: Active transport - Channel proteins: Passive transport - Diffusion: Passive transport - Exocytosis: Active transport - Osmosis: Passive transpor…
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question 1-2 scientists study many different types of questions, from h…
C. Each field has unique questions and phenomena that require specific techniques
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microtubules are produced by a chloroplasts b the nucleus c centrioles …
C. centrioles
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where in the cell is the rough endoplasmic reticulum located? a directl…
A. directly outside the nuclear envelope
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which organelle plays a highly important role in cell division? a golgi…
C. centrioles
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open - ended questions: answer the following questions in complete sent…
1. Photosynthesis produces glucose and oxygen which are used in cellular respiration. Cellular respiration produces carbon - dioxide and water which are used in photosynthesis, cr…
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which of the following is not a type of vesicle? a peroxisome b transpo…
A. Peroxisome
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true or false questions: choose the correct answer from the choices for…
1. F 2. T 3. T 4. F 5. F
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as jay begins to assess alternatives before he makes a decision, he sho…
determine possible outcomes for each alternative
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3. which of the following is a product of anaerobic respiration in huma…
3. B. Lactic acid 4. A. Oxygen 5. C. It takes place in the mitochondria
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1. what is the main purpose of photosynthesis? a) to break down food fo…
1. B. To make glucose using sunlight 2. C. Mitochondrion
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which of the following is an appropriate dependent variable for the exp…
A. the rate of viral infection, B. the amount of virus killed
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which argument would a critic of big business most likely have raised d…
D. Big businesses mistreat workers and consumers because they hold too much power.
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which of the following is not a type of vesicle? a peroxisome b transpo…
a. Peroxisome
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fill in the blank: fill in the blank with the correct words. 1. the pro…
1. photosynthesis 2. chloroplast 3. aerobic 4. water 5. anaerobic
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which is one way that muslim scholars contributed to the scientific rev…
by translating and preserving Greek knowledge in books
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practice it! which of the following is the independent variable (or tes…
the exposure to ultraviolet light
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short answer 1. what is the significance of bipedalism in human evoluti…
1. Bipedalism freed hands, changed locomotion and energy use, and led to anatomical changes. 2. Smaller brain size and more protruding face in Australopithecus. 3. Tool - making, …
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identify three impacts of the scientific revolution. □ created the scie…
Created the scientific method. It paved the way for the Enlightenment. It established new methods of experimentation.
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a pharmaceutical company is investigating how ultraviolet light affects…
If the Flu - d12 virus is exposed to ultraviolet light, then the virus will be killed.
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centrioles play an important role in which of the following processes? …
D. cellular division
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identify the organelles labeled on the cell to the right. a b c d centr…
A. nucleus B. ribosome C. endoplasmic reticulum D. centrioles E. cytoplasm F. (no label provided in question for this part, but could be other organelles like mitochondria etc. ba…
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identify the organelles labeled on the cell to the right. a nucleus b c…
B. ribosome C. lysosome D. mitochondria E. ribosome F. mitochondria
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identify the organelles labeled on the cell to the right. a b c d e f
A. nucleus B. endoplasmic reticulum C. ribosome
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viruses. which of the following statements would be the best hypothesis…
If the Flu - d12 virus is exposed to ultraviolet light, then the virus will be killed, preventing human infection.
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a population of deer on the kaibab plateau exhibits the population grow…
D. The deer are currently growing at an exponential capacity.
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the endoplasmic reticulum gets its name from the ribosomes that cover i…
rough
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a population of deer on the kaibab plateau exhibits the population grow…
D. The deer are currently growing at an exponential capacity.
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4. a population of yeast cells can double in 2 h. assume an initial pop…
a) $41.4\%$ b) $P = 120(\sqrt{2})^t$ c) $404$ cells d) $24.64$ hours
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resource availability affects populations of organisms in an ecosystem.…
A. The moose had abundant food and limited predators in 1970. B. The carrying capacity of the moose population is around 600. E. In 1990, some sort of catastrophic event caused th…
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a student studies the data for the population size of birds in an area …
E. The claim is false because the population fluctuates above and below the carrying capacity.
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home to the southern watershed, located in southeastern virginia and ma…
C. overfishing and habitat loss
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proteins are moved from rough endoplasmic reticulum to ______. a the go…
A. the Golgi apparatus
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cell piece #4, that part that uses dna to build all of the cells necess…
None of the above options are correct. The part of the cell that uses DNA to build all of the cell's necessary parts is the nucleus. If we must choose from the given options, the …
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seagrasses are flowering plants that grow in the photic zones of marine…
C. density of the animal population
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darwin studied actual birds on the galapagos islands instead of using a…
1. Difficult access to remote islands and limited resources. 2. Difficulty in observing unpredictable bird behaviors. 3. Long time required to observe natural selection changes.
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practice it! which of the following is an appropriate dependent variabl…
the amount of virus killed
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elk herds in yellowstone national park are herbivores that eat on the a…
C. The predators, such as grey wolves, to keep the elk population from growing too large.
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practice it! which of the following is the independent variable (or tes…
the exposure to ultraviolet light
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green sea turtles eat sea grass that grows on the sea floor. seagrass, …
D. There would be a decrease in the population of marine organisms.