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Biology
Biology
College
Motor proteins provide for molecular motion in cells by interacting with which of the following cellular structures?components of the cytoskeletonmembrane proteins of the inner nuclear envelopefree ribosomes and ribosomes attached to the ERcellulose fibers in the cell wall
Biology
High School
"Totipotency lasts for only a few days before the cells' fates are set as being the precursors to a specific lineage of cells." What does this sentence mean? Restate in your own words.
Biology
High School
Fenmeno que consiste na combusto de grandes reas florestais e conduz libertao de grandes quantidades de CO2 para a atmosfera.
Biology
College
PLS HELP!!! 25 POINTSS DUE SOON!!!Many of the animals that live in the northernmost regions of the Northern Hemisphere have white fur. How does having white fur make these animals more likely to survive in an arctic environment?
Biology
College
Why are renewable sources of energy better than nonrenewable sources? A. Because they release carbon dioxide B. Because they can be used again C. Because they contain more energy D. Because they are less expensive
Biology
College
How has biotechnologycontributed positively toour lives?
Biology
High School
please help me. i will love u forever
Biology
College
In normal cells the amino acid phenylalanine attaches to tRNAs with the anticodon AAA. The enzyme aminoacyl-tRNA synthetase catalyzes the reaction that attaches the amino acid to the correct tRNA. Assume that a mutation occurs in the aminoacyl-tRNA synthetase enzyme and causes it to attach lysine instead of phenylalanine to tRNAs with the anticodon AAA. What will be the consequence of this mutation for the translation process
Biology
High School
Can plants produce oxygen in the dark?
Biology
High School
The greatest amount of genetic variation is produced in offspring that reproduce - A. sexually through fission B. asexually through budding C. sexually through meiosis D. asexually through mitosis
Biology
Middle School
On Sams laptop, and Arun puts his laptop on Odessas laptop. The diagram above shows the laptops before they touch each other. Use the information in the diagram to answer the question.After the laptops have been touching for a while, will Sams laptop or Odessas laptop be cooler, and why?a. Sams laptop will be cooler than Odessas laptop, because less energy has to transfer for the molecules of Sams laptop to reach the same temperature as the molecules of Aruns laptop.b. Both laptops will be the same temperature, because both Aruns and Maris laptops had the same amount of energy to transfer and the molecules in Sams and Odessas laptops started with the same energy.c. Odessas laptop will be cooler than Sams laptop, because Odessas started with more total energy, so less energy has to transfer for her and Aruns laptops to reach the same total energy.d. Odessas laptop will be cooler than Sams laptop, because the energy that transferred to Odessas was spread out over more molecules.
Biology
High School
1. Since the acronym for traits of the Plant Kingdom is "Early Melons Are Sour," one of the traits of a plant is:a. it is capable of parasitismb. it does not move from one place to anotherit is always unicellulard. it coevolved with a bumble beeC.
Biology
College
What is the most common stimulant drug used today?A.HeroinB.CocaineC.CaffeineD.Alcohol
Biology
High School
Cells need oxygen and nutrients to function well and get rid of waste products produced incellular reactions. Which system participates in these exchanges?
Biology
High School
Which characteristic shows discontinuous variation in humans? Length of footHeightWeightTongue rolling
Biology
College
6. Which domain includes all multi-cellular organisms?a. Eukaryab. Bacteriac. Archaead. None of the above
Biology
High School
what is the purpose of transcriptionA.to produce DNA B. to produce amino acid C. to produce RNA D. to produce lipids
Biology
High School
A.)During cellular respiration, energy is stored in carbon dioxide andwater molecules. The energy is released during photosynthesis.B.)During cellular respiration, energy is stored in large molecules in food. Theenergy is released during photosynthesis.C.)During photosynthesis, energy is stored in oxygen molecules. The energy isreleased during cellular respiration.D.)During photosynthesis, energy is stored in large molecules that contain carbon. The energy is released during cellular respiration contain carbon. The energy is released during cellular respiration.
Biology
High School
What two types of cells are involved in immune response and have the job of creating a "memory" of exposed pathogens? *a)A cells and B cellsb)T cells and A cellsc)T cells and B cellsd)red and white blood cells
Biology
High School
(14 point!!!!) HOW AND WHY HAS THE SCORPION CHANGED!
Biology
High School
Explain why hormone-producing cells are always located in close proximity tocapillaries.
Biology
College
A-HandpickingB-SievingC-Using a Magnet1. Fine flour and lumpy flour2. Mixed nuts3. Sand and gravel4. Sand and palay5. Scrap iron and nail
Biology
College
I need help with question 54 .
Biology
High School
Are those right guys?
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