How do S and L cone cells sense colors like deep blue and red beyond their peak?

7yr ⋅

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Trying to identify an insect

8yr ⋅

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Regarding the kingdom Animalia, which phylogenic tree is more common: Molecular Comparisons or Body-Plan Grades

10yr ⋅

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What is this dried animal for sale?

9yr ⋅

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What is this woodlouse doing?

10yr ⋅

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How the conjunctivitis virus spread just by seeing a person's eye who is infected

10yr ⋅

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Can someone identify this plant?

9yr ⋅

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What kind of fish is this? Spotted or largemouth?

7yr ⋅

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Plant identification: San Francisco, USA

7yr ⋅

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What is the connection between sleep requirement and age?

9yr ⋅

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What is this Tree?

9yr ⋅

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Could someone please identify this species?

9yr ⋅

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What is the name of this green plant with thin leaves?

8yr ⋅

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Hamilton's inclusive fitness approach

10yr ⋅

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What is this spider, and what is this object that emerged from its rear end?

9yr ⋅

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White water bird with black 'hat'

7yr ⋅

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Why do rabbits often have white hindquarters?

10yr ⋅

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Any idea what this red plant is?

8yr ⋅

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What is this creature?

10yr ⋅

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Why does strenous exercise cause vision of lights?

12yr ⋅

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Large black caterpillar, cocoon, moth - Los Angeles

8yr ⋅

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What is meant by the degree to which a gene is expressed in an individual?

9yr ⋅

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What is this frog?

9yr ⋅

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Does anybody know what this shark is eating?

9yr ⋅

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Who are these biologists?

9yr ⋅

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How do I read a sequence logo?

10yr ⋅

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How does rho-dependent termination occur?

7yr ⋅

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How does Halosulfuron-methyl kill nutsedge, while leaving lawn grass and most weeds undamaged?

10yr ⋅

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How did these apples grow together?

10yr ⋅

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How to read this DNA inversion diagram?

8yr ⋅

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Starch vs Cellulose. What are the differences between Alpha and Beta glucose ring structure in them?

8yr ⋅

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Can anyone identify this bug?

7yr ⋅

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Why do men grow facial hair?

9yr ⋅

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What insect is this? (India)

10yr ⋅

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What happens if there is a blood incompatibility during pregnancy?

8yr ⋅

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Can somebody identify this species of spider?

7yr ⋅

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How to prevent blobs under the microscope?

7yr ⋅

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Why do some bacteria have most genes on the leading strand of the genome?

9yr ⋅

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What kind of fly is this?

10yr ⋅

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What is this creature? Where can it be found?

8yr ⋅

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Normal ECG/EKG Measurement?

9yr ⋅

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Enzymatic error rate

9yr ⋅

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How does Bernoulli’s Principle apply to the cardiovascular system?

9yr ⋅

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Do variant callers miss rare variants in reference?

9yr ⋅

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Is this Heracleum sosnowskyi?

9yr ⋅

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What species of ant is this, and is it a queen?

8yr ⋅

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Purpose of dilution streaking or streak purification

8yr ⋅

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Species Identification: Spider

9yr ⋅

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Can mitochondria with depleted mtDNA reproduce?

8yr ⋅

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Help identify this awesome climbing plant with velcro like stem

10yr ⋅

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How can binaural beats change mental state?

8yr ⋅

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Sexing spotted doves

8yr ⋅

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What winged insect is in this photo? Is it Axymyia furcata?

8yr ⋅

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Pedigree Analysis: Problem

8yr ⋅

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Is there a name for this phenomenon described in Phylogenies and the Comparative Method?

9yr ⋅

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Can anyone help me identify this plant?

9yr ⋅

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Math behind the Genetic Relationship Matrix

9yr ⋅

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Why is cisplatin a very potent antineoplastic for testicular cancer, but not necessarily for other cancers?

9yr ⋅

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Chemistry of the phosphodiester bond in RNA

8yr ⋅

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Laurus Nobilis parasite identification

8yr ⋅

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Organisms in food deposits

10yr ⋅

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Is it possible to identify this chrysalis?

8yr ⋅

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How do I know which alleles the parents have?

9yr ⋅

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Concept and analysis of Pedigree

8yr ⋅

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What is the trigger of pollen tube formation when the pollen is on the stigma?

9yr ⋅

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Beetle Identification - Oregon

7yr ⋅

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How do sarcomeres coordinate contraction?

8yr ⋅

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Is it NAD+ or NAD- or neutral NAD ?

7yr ⋅

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Santa Fe xeric indigenous tree

9yr ⋅

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Spatiotemporal patterns in neural networks

7yr ⋅

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Some kind of fly, identification

8yr ⋅

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How much does the distance between a transcription factor binding site and a promoter influence transcription?

10yr ⋅

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Why won't this spray kill this bug (household insecticide); could it be so selective?

7yr ⋅

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Which fish species is it?

7yr ⋅

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What Type of Mushroom is this?

8yr ⋅

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I found this bug in my closet. Could someone help me identify?

7yr ⋅

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Are there any known mutual symbiotic relationships that has more than two agents?

10yr ⋅

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Unknown animal - What could it be?

9yr ⋅

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Identify Huge Mystery Beetle

7yr ⋅

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Any idea what this fish is?

7yr ⋅

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Did the hyoid bone of Australipetichus afarensis have a hyoid bulla?

7yr ⋅

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Damselfly identification

8yr ⋅

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Can anyone identify this dragonfly spotted outside of Boston, MA?

8yr ⋅

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Identify this large exotic bird spotted in Taipei, Taiwan

10yr ⋅

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Understanding recombination scoring in family pedigrees

9yr ⋅

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Is there evidence to suggest that sharks from prehistoric times live in the deep of the oceans?

8yr ⋅

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Why proteins are not visible on my membrane after ponceau staining?

9yr ⋅

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Detecting cancer in the hyperplasia phase using image processing and SEM

7yr ⋅

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What percentage of a cell's volume is occupied by protein?

9yr ⋅

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Japanese Crab Identification?

8yr ⋅

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Computing Percent Identity between DNA / Amino Acid Sequence

8yr ⋅

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Are Whales More Intelligent Than Humans?

9yr ⋅

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Help in identifying an insect

9yr ⋅

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Yellow/Orange Fungus on Oak Tree

11yr ⋅

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Help me identify this caterpillar looking insect

7yr ⋅

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What effect does vortexing have on a fluid sample that simple mechanical shaking does not?

13yr ⋅

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Identify this smooth-cocoon worm from Southern India

8yr ⋅

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How likely is it that a person's progeny has an inheritable disorder based on this pedigree?

8yr ⋅

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how to quantify toxicity

8yr ⋅

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Chemical methods to detect cell division

7yr ⋅

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What does the word refractory in refractory period refer to?

7yr ⋅

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How does entry of Ca2+ to the myocardiocyte make it more contractible?

7yr ⋅

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Do birds have navels?

10yr ⋅

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Strange Cordeyceps-looking Mushroom in Australia

9yr ⋅

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Name of This Black and White Dove

10yr ⋅

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What is this plant?

9yr ⋅

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What plant is it?

9yr ⋅

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What is this yellow-pink flower?

7yr ⋅

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What kind of larvae are these?

9yr ⋅

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Can two humans with 44 chromosomes produce viable offspring?

13yr ⋅

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Can anyone identify this plant from Bangladesh?

9yr ⋅

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Moth with silver marking on wings

8yr ⋅

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(How) can a pink grasshopper exist?

10yr ⋅

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Genetic mutations and new alleles

8yr ⋅

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How to measure metabolic rates of microscopically small animals?

9yr ⋅

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Colourful aquatic animal identification

9yr ⋅

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What is the name if this glittery fly seen in Pittsburgh?

10yr ⋅

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What is this insect in this picture?

7yr ⋅

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How the flowers of Diphylleia grayi becomes transparent in rain?

7yr ⋅

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How does this illusion work?

12yr ⋅

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ID Fish from Florida?

7yr ⋅

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Can lactate be created in ketosis?

8yr ⋅

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Why doesn't Fenoxaprop-P-ethyl damage cool season lawns?

10yr ⋅

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What is this part of blastula called and how is endoderm formed?

7yr ⋅

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Does anyone know what kind of caterpillar this is?

9yr ⋅

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Trying To Identify this Fish

7yr ⋅

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Pink Grasshoppers

8yr ⋅

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What type of mushroom/fungus is this?

8yr ⋅

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How can I tell if regulation is at the transcriptional or translational level?

10yr ⋅

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Identifying a tree with an image

10yr ⋅

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Identification of black growth on onion skin

9yr ⋅

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Can you identify this phyllanthus tree?

8yr ⋅

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What are cranial nerve nuclei?

8yr ⋅

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What are the most important factors influencing a person’s gut microbes?

9yr ⋅

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What determines if an allele is dominant or recessive?

11yr ⋅

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Does the Petri dish lid orientation on workbench affect aseptic technique?

11yr ⋅

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How do researchers map root systems of plants?

9yr ⋅

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Identify bee in photo (found in Utah, USA)

9yr ⋅

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Species of this White Dove

10yr ⋅

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A strain of my hair has a grey spot in the middle, how is this possible? And why does it happen?

7yr ⋅

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Puffball mushroom species ID?

11yr ⋅

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Lab experiment: Enumeration of Leukocytes

7yr ⋅

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Cause of Crease in Drupe Fruit

9yr ⋅

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