BIOLOGY HIGH SCHOOL

Groups of cells that perform a special job are called?A: cytoplasm
B: tissue
C: nucleus
D: membrane

Answers

Answer 1
Answer: The cytoplasm, nucleus and membrane are all part of cells.

Tissue cells are groups of cells that perform a special job, to heal the body.

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A scientific model is easier to interpret and understand when it includes the main parts or processes, rather than every detail of every part or process. is this true or false
Does the success of a prey population depend on its predators? Explain.
Reword the following statement to make it true: Nucleoli are membrane-bounded structures present in the eukaryotic nucleus. A) Nucleoli are two lipid bilayers that surround nucleus in eukaryotic cells. B) Nucleoli are large protein complexes that cross the nuclear envelope in eukaryotic cells. C) Nucleoli are thin, dense meshworks of fibers lining the inner surfaces of the inner nuclear membranes of most eukaryotic cells. D) Nucleoli are structures made of DNA, RNA, and protein that are present in the eukaryotic nucleus.
Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows the probability that 100 percent of offspring will have red eyes?
A sorting device that is useful in classifying by observation is a _____. dichotomy wedge taxon key

The speder is in which class

Answers

The spider is in the class:-  Arachnid
Ok than the class of the spider is Arachnid

Which of the following is an unsegmented worm with a pseudocoelom.A. sponge
B. cnidarian
C. arthropod
D. roundworm

Answers

Is not a sponge, cnidarian or arthropods . The pseudocoelom is specific to any invertebrates with three body layers. So, your answer is D - roundworm 

The correct answer is option D, Round worm

Roundworm belongs to the phylum  Nematodes and some common characteristics of Nematodes are – they are small, slender , un-segmented, smooth and shiny. Roundworm has   a round body just like a spiny –headed worm which do not have segments . Also they possess a body cavity known as pseudocoel in which the internal body organs lie and the body cavity is not lined with mesodermal cells.  

The first animals to live successfully on land were

Answers

it was the  reptiles that lived and successfully on land 
When you consider evolution, then you have to take into account where all life came from...the Ocean. Specifically micro-organisms in the ocean, they've existed for tens of Billions of years but land organisms around 5 billion years and that's to do with retreating tides etc. So from bacteria a single cell organism you make your way to minor complex organisms with the basic of physiological furniture and that's the 'digestive tract' and these guys are basically worms. Then quite a few million stages after that are the insects, as they improve upon just having only an advanced digestive tract to include other higher ordered functions as well adaptive mechanisms such as flight. But life is more diverse than just one track so it branched off before land dwelling and more than likely we as a species were developed in the ocean as multi-functioning organ-ed fish then onto land as res-pirating fish (such as lung fish, the first example of amphibians) then to higher order amphibians such as salamander types. Of course much of the stages proposed by Darwinian evolution are speculative so you decide :D ik this answer is long but its kinda hard to explain in one short sentence XD

Which conclusion does the fossil record support? A. Species have changed over time. B. Traits acquired during a lifetime are passed to offspring. C. Earth’s organisms have not changed over time. D. All of earth’s organisms were formed at the same time.

Answers

The correct answer is (a.) Species have changed over time. The conclusion; Species have changed over time, supports the fossil record. The way the evolution works is being supported by the evidenced of the fossils that the paleontology had found.

Answer:

A. Species have changed over time

Explanation:

Explain how mRNA plays a role in all three stages of translation.

Answers

1. mRNA (messenger RNA): it provides the template for protein synthesis during translation.

2. tRNA (transfer RNA): it brings amino acids and reads the genetic code during translation.

3. rRNA (ribosomal RNA): it plays a structural and catalytic role during translation.

When fasting continues long beyond glycogen depletion, body protein will be broken down to make glucose?

Answers

Answer;
The above statement is true;
When fasting continues long beyond glycogen depletion, body protein will be broken down to make glucose,

Explanation;
When the body runs low on fuel, it utilizes the stored glycogen in the liver and muscle, which is the primary source of stored energy. The after the depletion of glycogen the body burns fat, and if fasting continues the body begins to break down non essential proteins for energy.  protein is the last source of stored energy available to the body.
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If you have respiratory or heart problems, _____ can make it worse.