How do anemone help humans?

Thirty-seven repair proteins have been identified in the anemone mucus. The major components include something called a heat shock protein (HSP70), which is known to assist misfolded proteins in regaining their proper shape, and a large proteasome complex (20S), which breaks down damaged proteins.

Is it safe to touch anemone?

Luckily, most anemones don’t have large enough stinging cells to affect humans, but there are some to be wary of. If you have ever touched a small anemone, the sticky feeling you may have felt is caused by those tiny harpoons as the anemone tries to eat your finger.

What is enemy finding nemo?

Darla Sherman is the main antagonist of the 2003 Disney•Pixar animated film Finding Nemo.

What’s the word that nemo can’t say?

Ray asks Nemo what kind of home Nemo lives in, Nemo says, “In an anemone-ne-anem-menemone-anemone!” Nemo was trying to say, “In an anemone!”

Where do you live finding nemo?

Plot. Marlin is a clownfish who lives in an anemone in the Great Barrier Reef. His wife, Coral, and almost all of their eggs are killed in a barracuda attack. Only one damaged egg remains, which Marlin names Nemo.

Why did nemo have to brush before school?

‘Ah-ah-ah, you forgot to brush,’ says Nemo’s overprotective father in the excitement of the hero’s first day of school, ‘do you want this anemone to sting you? ‘ By brushing up against the tentacles of sea anemone, clownfish maintain their immunity to its sting.

Which of these organisms contains no specialized cells?

3. Name ________________ Date ________ BIO SOL Review 6 – Classification (20) (2006-30) An important feature of modern classification systems is that they — a. group organisms that live in the same habitat b. can incorporate new scientific discoveries c. can predict the discovery of new species d. apply only to organisms that are alive today 4. (2006-27) Bivalves, such as clams, are found in salt water. The clam captures food particles from water that flows over its gills. Which of these is the best classification of the clam? a. A chunk feeder b. A decomposer c. A filter feeder d. A grazer 5. (2006-24) Which of these organisms contains no specialized cells? a. Paramecium b. Sea anemone c. Jellyfish d. Sponge 6. (2006-16) Ascidians are sac-like marine organisms. Their larvae have well-developed brains and dorsal nerve cords. This suggests that ascidians should be classified with the — a. cnidarians b. chordates c. annelids d. sponges 1. (2004-1) This key can be used to identify the species of some wildflowers found in Virginia. All of the plants have blue or purple flowers with five petals that are fused together. According to this key, to what species does the plant shown belong? a. Gray beardtongue (Penstemon canescens) b. Virginia bluebell (Mertensia virginica) c. Lyre-leaved sage (Salvia lyrata) d. A Viper’s bugloss (Echium vulgare) 2. (2005-11) Escherichia coli is the scientific name of a bacterium. What category of classification is Escherichia? a. Order b. Genus c. Phylum d. Species 7. (2002-14) This organism is most closely related to animals in the Phylum Arthropoda, the phylum that contains beetles, because it has: a. an elongated body b. legs c. antennae d. jointed appendages 8. (2001-13) The body of which of these organisms has the least specialized organization? a. Jellyfish b. Starfish c. Sponge d. Sea urchin 1 9. (2001-10) A biology student collected pine needles from four different species of trees. She then made diagrams showing the number and actual length of needles in a bundle and the common and scientific name of each species. Use her diagram above to help you answer the following question. These four different pine trees are not classified in the same — a. phylum b. species c. order d. genus 10. (2002-17) One method of determining the classification of an animal is by comparing the amino acid sequence. Which of these animals most closely resembles the unknown animal? a. Mouse: Met-Gly-Ser-Tyr-Tyr-Arg-His- GluVal-Val-Leu b. Dog: Met-Gly-Ser-Tyr-Tyr-Arg-His-AspGlu-Lys-Asp c. Horse: Met-Gly-Ser-Ser-Tyr-Arg-Arg- AspHis-Glu-Lys-Asp d. Cat: Met-Gly-Ser-Tyr-Tyr-Arg-His-His- ArgCys-Thre-Asp 11. (2001-29) According to this chart, the insects that are most closely related are the — a. springtails and bristletails b. springtails and proturans c. bristletails and mayflies d. dragonflies and proturans 12. (2002-30) During a trip to a rain forest, a scientist discovered a new organism living near some rotting logs. The scientist observed that the organism had moist skin, no hair, and an internal skeleton and that it laid its eggs under the logs. This organism was probably a new species of — a. reptile b. amphibian c. invertebrate d. mammal 13. (2003-20) What structure is common to all five kingdoms of living organisms? a. Cell wall b. Mitochondria c. DNA d. Nucleus 14. (2004-32) According to the biological definition of a species, which organisms listed below would belong to the same species? a. Animals that can breed and produce fertile offspring b. Protists that are the same shape and have the same structures for movement c. Plants that have flowers with the same structures that attract the same pollinators d. Mushrooms that are the same color and can grow on trees 2 (2003-21) The picture shows an organism that lives in the lakes of two caves in Augusta County, Virginia. Its primary food source appears to be fine bits of organic matter that drift into the cave lakes. This cave-dwelling species belongs to the kingdom — e. Monera f. Animalia g. Protista h. Fungi 16. (2005-32) A biologist has just discovered a new life form. The newly described organism is multicellular, does not carry on photosynthesis, and absorbs nutrients from the environment. It is composed of eukaryotic cells with cell walls. In which kingdom would the organism be classified? a. Plant b. Animal c. Bacteria d. Fungi 15. (2005-25) Which type of Drosophila probably changed the least over time? a. Drosophila equinoxialis equinoxialis b. Drosophila equinoxialis caribbensis c. Drosophila melanogaster d. Drosophila willistoni 17. (2005-46) This key can be used to distinguish four species of frogs found in ponds in eastern Virginia. To which species does the frog shown belong? a. Rana virgatipes b. Rana sphenocephala c. Rana clamitans d. Rana catesbeiana 3 18. (2002-47) According to this key, to what family does the insect above belong? a. Dytiscidae b. Haliplidae c. Noteridae d. Gyrnidae 19. (2003-29) Which of these is most closely related to the oak weevil? a. A b. B c. C d. D 4

Are all cells multicellular?

A is correct. An organism that is comprised of many cells is a multicellular organism. Gametes are specialized haploid cells involved in reproduction.

Are all multicellular organisms are composed of prokaryotic cells?

all multicellular organisms are composed of prokaryotic cells. only cells like the eukaryote can carry out the functions of life. single celled organisms like these are only capable of asexual reproduction. even primitive cells, like the prokaryote, can carry out the functions of life.

Are bacteria cells prokaryotic or eukaryotic?

Bacteria. Bacteria are microorganisms made up of a single prokaryotic cell. There are two general categories of cells: prokaryotic and eukaryotic. Sometimes, organisms are referred to as prokaryotes or eukaryotes, based on the type of cell(s) that compose them.

Are fungi cells prokaryotic or eukaryotic?

Fungi are eukaryotes and as such have a complex cellular organization. As eukaryotes, fungal cells contain a membrane-bound nucleus. A few types of fungi have structures comparable to the plasmids (loops of DNA) seen in bacteria.

Are nerve cells prokaryotic?

Bacteria is prokaryotic cell. Onion peel cell, muscle cell and nerve cell are eukaryotic.

Are organisms made up of cells?

All living organisms are composed of cells, from just one (unicellular) to many trillions (multicellular). Cell biology is the study of cells, their physiology, structure, and life cycle.

Are prokaryotic cells multicellular?

While prokaryotes are always unicellular organisms, eukaryotes can be either unicellular or multicellular.

Are protists eukaryotic or prokaryotic?

protist, any member of a group of diverse eukaryotic, predominantly unicellular microscopic organisms. They may share certain morphological and physiological characteristics with animals or plants or both.

Are red blood cells specialised cells?

Red blood cells They are specialised to carry oxygen because they: contain large quantities of a protein called haemoglobin , which can bind oxygen. don’t have a nucleus, so there is more room for haemoglobin.

Are red blood cells prokaryotic?

red blood cells are eukaryotic cells because they begin their life with full complement of organelles including nucleus and mitochondria but red blood cells lose their nucleus and other organelles on maturation.

Are ribosomes absent in animal cells?

CHARACTERISTIC PLANT CELL ANIMAL CELL
Centrosome Absent Present
Other cell organelles Golgi bodies, Ribosomes, mitochondria, Endoplasmic reticulum present. Golgi bodies, Ribosomes, mitochondria, Endoplasmic reticulum present.

Are ribosomes absent in prokaryotic cells?

A typical prokaryotic cell (i.e., bacterial cell) has cell wall just below the glycocalyx composed of peptidoglycan. They also have ribosome and DNA just like eukaryotes.

Are ribosomes found in all cells?

ribosome, particle that is present in large numbers in all living cells and serves as the site of protein synthesis. Ribosomes occur both as free particles in prokaryotic and eukaryotic cells and as particles attached to the membranes of the endoplasmic reticulum in eukaryotic cells.

Are ribosomes in fungi cells?

They still have a cell membrane and ribosomes , but they lack organelles such as the nucleus . … Their cell wall is made of a diffferent material and has a different structure to those of plant and fungal cells .

Are there any multicellular prokaryotic cells?

Although there are lots of unicellular eukaryotes (ex: yeast, amoebas) there are no multicellular prokaryotes, unless you would want to count aggregated bacteria that formed a colony in functioning through divided labor.

Do all cells have cell walls?

No, the cell wall is present only in plant cells and also found in some fungi, bacteria and algae. Animal cell lack cell wall.

Do all cells have cytoplasm?

All cells have a plasma membrane, ribosomes, cytoplasm, and DNA.

Do all organisms have a cell membrane?

All cells have cell membranes. There are variations between cell membranes, but the same basic structure exists in all cells. While some cells will also have a cell wall to provide additional support and protection, this does not replace the cell membrane. Cell membranes are selectively permeable.

Do all organisms have cell wall?

Not all living things have cell walls, most notably animals and many of the more animal-like protistans. Bacteria have cell walls containing the chemical peptidoglycan. … Some plant cells also have lignin and other chemicals embedded in their secondary walls. The cell wall is located outside the plasma membrane.

Do animal cells have a chloroplast?

One example of this is that plant cells have chloroplasts that allow them to perform photosynthesis for energy, but animal cells do not have chloroplasts since they get their energy elsewhere.