BIOLOGY COLLEGE

What is the wavelength of a sound wave with a frequency of 220 if it’s speed is 340 M’S ? A.0.65
b. 74.800
с. 1.55

Answers

Answer 1
Answer: I guess its A..............
Answer 2
Answer: I believe it’s a also

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Oh, no... you dropped your study flashcards, and now they're out of order! Put them back into the correct order for a eukaryotic cell. a. "Combine the mRNA strand with a ribosome and a tRNA carrying a methionine." b. "Unwind the DNA molecule near the promoter." c. "Exit the nucleus to the cytoplasm." d. "Transcribe the complementary RNA strand."

Answers

Answer:

The correct order would be:

b. "Unwind the DNA molecule near the promoter."

d. "Transcribe the complementary RNA strand."

c. "Exit the nucleus to the cytoplasm."

a. "Combine the mRNA strand with a ribosome and a tRNA carrying a methionine."

The given order is according to the central dogma of a cell. According to central dogma DNA is first transcribed into mRNA which is then moved out of nucleus (in eukaryotic cells).

For transcription, the DNA is unwind near the promoter region where transcription factors and RNA polymerase binds the template strand. It then make mRNA which is moved out of the nucleus.

The mRNA then is translated with the help of ribosome and tRNA. The start codon in mRNA usually codes for methionine due to which tRNA carrying methionine recognises the start codon and initiate the process of translation.

Which factors are included in a forest community? Select ALL that apply.• every squirrel in the forest

• all forests populations

• plants fungi and microbes in the forest

• rushing stream

• rock on which turtles and
frogs sit

please i am really confused and my test is timed so please can someone answer fast :(

Answers

Answer:

every squirrel in the forest

all forests populations

plants, fungi and microbes in the forest

Explanation:

In ecology, a community refers to a population of different species of organisms occupying a particular area at a particular time. In other words, community is a group of living organisms of different species interacting with one another in a given habitat.

According to the question, a forest community will contain all plants, animals and microbes in the forest involved in a series of interaction with one another. This includes every squirrel in the forest, all population of organisms in the forest and all plants, fungi and microbes in the forest.

N.B: If the abiotic components are included to the living ones, they will together make up an ECOSYSTEM.

Which characteristic allows carbon to form chains and rings eith other carbon atoms

Answers

Because each carbon is identical, they all have four valence electrons, so they can easily bond with other carbon atoms to form long chains or rings

What is theprocess that involves one division of the nucleus and results in two identical cells.

Answers

Answer:

Explanation:

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000000000

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Describe the function of three areas of the brain (you choose which areas).

Answers

Answer:

Brain is the main coordination center of the body and regulates the proper functioning of the body. Brain is divided into three parts- forebrain, midbrain and hindbrain.

Cerebrum: Crerebrum is the largest part of brain and controls the language, communication ability, and the process of learning and memory of an organism.

Hypothalamus: Hypothalamus is located at the base of a brain. Hypothalamus releases various hormones, regulates the body temperature and manages the sexual behavior of an organism.

Thalamus: Thalamus is located above the brain stem and relay the neurons into the cerebral cortex. Thalamus regulates alertness, wakefulness and sleep of an organism.

1) For each of the genotypes below determine what the phenotype would be. Bobtails in cats are recessive. Normal tails are dominant.
TT _____________ Tt _________ tt _____________

Answers

TT is Normal tail

Tt is Normal tail

tt is Bobtail

Those are the phenotypes.
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