BIOLOGY HIGH SCHOOL

Which of the following is a type of plankton?

shark
algae
squid
crab

Answers

Answer 1

Answer: Algae is a type of plankton. Shark, squid and crab are not a type of plankton. :)

Answer 2

Answer:

Answer:

algae

Explanation:

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What happens to molecules when an organism eats another organism?A. The atoms of the molecules are transformed into atoms of totally different elements. B. The molecules are rearranged by the process of photosynthesis. C. The molecules are changed into energy and released into the ecosystem as heat. D. The molecules are broken apart and their atoms are rearranged to form new molecules.
Your biceps muscle is attached with tendons to the top of your humerus and to the end of your radius, near your elbow. What would happen if the biceps were attached to the top and bottom of your humerus instead? You would not be able to pull your forearm up toward your shoulder. Your humerus would lengthen and shorten each time your biceps contracted. You would be able to pull your forearm toward your shoulder with more force. Your triceps muscle would make your arm bend backward when it contracted.
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What is a domain, division, family, and taxon? What are the kingdoms currently in use

Answers

Answer:

They are levels of taxonomy. There are six Kingdoms currently in use: Animalia, Plantae, Fungi, Protista, Archaea, and Bacteria. Archaea and Bacteria fall under the Domain Prokaryota and the rest are under the Domain Eukaryota.

Explanation:

Describe an example of the cognitive stage, the associative stage, and the autonomous stage during learning the task of operating your new video camera.

Answers

I don't understand this but can u please help me with history

Which of these best describes the role of helicase and DNA polymerase in DNA replication? *A. DNA polymerase "unzips" the DNA strand, while helicase brings in new strands of DNA to match the old strands

B. Helicase attaches new nitrogen bases to the ends of old DNA strands, while DNA polymerase breaks down unused DNA strands

C . DNA polymerase breaks down the old strand of DNA after a new one has been replicated, while helicase connects the two DNA strands together

D. Helicase "unzips" the DNA strand, while DNA polymerase brings in new strands of DNA to match the old strands

Answers

'Helicase "unzips" the DNA strand, while DNA polymerase brings in new strands of DNA to match the old strands.' best describes the role of helicase and DNA polymerase in DNA replication. The correct option is d.

Helicase is essential for DNA replication because it "unzips" the double-stranded DNA molecule. In order to separate the two strands and create a replication fork this process involves severing hydrogen bonds between the base pairs. On the other hand, DNA polymerase is charged with the vital task of creating new DNA strands.

It does this by incorporating complementary nucleotides into the template strands already present. This maintains genetic fidelity by ensuring that the newly formed strands mirror the original ones. The precise duplication of genetic information which is necessary for cell division and inheritance, depends on the interaction between the unwinding action of the helicase and the strand-building activity of DNA polymerase.

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The answer is D. Hope this helped!

Is there a breed of male cows that have udders?

Answers

Answer:

Bull and cow not have udders

Explanation:

Thats

Final answer:

No, there is no breed of male cows that have udders. Udders are mammary glands found in female cows, and their purpose is to produce milk. The udders of female cows are an important reproductive feature that allows them to nourish their young with milk after giving birth.

Explanation:

No, there is no breed of male cows that have udders.

Udders are mammary glands found in female cows, and their purpose is to produce milk. Male cows, also known as bulls, do not have udders because they do not produce milk.

The udders of female cows are an important reproductive feature that allows them to nourish their young with milk after giving birth.

Learn more about Udders in cows here:

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How is most DNA duplication is the body accomplished?

Answers

most DNA duplicate through a process called mitosis

DNA carries the information for making all of the cell's proteins.These proteins implement all of the functions of a living organism anddetermine the organism's characteristics. When the cell reproduces, ithas to pass all of this information on to the daughter cells.Before a cell can reproduce, it must first replicate,or make a copy of, its DNA. Where DNA replication occurs depends uponwhether the cells is a prokaryote or a eukaryote (see the RNA sidebar onthe previous page for more about the types of cells). DNA replicationoccurs in the cytoplasm of prokaryotes and in the nucleus of eukaryotes.Regardless of where DNA replication occurs, the basic process is thesame.The structure of DNA lends itself easily to DNA replication. Each side of the double helix runs in opposite (anti-parallel)directions. The beauty of this structure is that it can unzip down themiddle and each side can serve as a pattern or template for the otherside (called semi-conservative replication). However, DNA does not unzip entirely. It unzips in a small area called a replication fork, which then moves down the entire length of the molecule.Let's look at the details:An enzyme called DNA gyrase makes a nick in the double helix and each side separatesAn enzyme called helicase unwinds the double-stranded DNASeveral small proteins called single strand binding proteins (SSB) temporarily bind to each side and keep them separatedAn enzyme complex called DNA polymerase"walks" down the DNA strands and adds new nucleotides to each strand.The nucleotides pair with the complementary nucleotides on the existingstand (A with T, G with C).A subunit of the DNA polymerase proofreads the new DNAAn enzyme called DNA ligase seals up the fragments into one long continuous strandThe new copies automatically wind up again

Which of the following best describes deflation as it relates to Earth science? A. High tides caused by full moons B. An avalanche caused by skiers C. The lowering of land surface caused by wind D. Beach erosion caused by high tides