BIOLOGY HIGH SCHOOL

Which is a reliable source of scientific information?a.wikipedia
b.blog
c.goverment website
d.newspaper editorial

Answers

Answer 1
Answer: i believe that the correct answer is c! please rate and thanks

Related Questions

Systole is the ________ phase of the cardiac cycle. A. Contraction B. Relaxation C. Monitoring D. Termination
Which statement best describes the atoms in a gas
Which organism would be the secondary consumer in this food chain?leaf insect bat cat
Where does the most absorption of nutrients take place?1. liver 2. small intestine 3. large intestine 4. stomach
which structure in female mammals produces milk to nourish young? a. placenta b. kidney c. mammary gland d. cloaca

H2O has a mc021-1.jpgHvap = 40.7 kJ/mol. Solve for the quantity of heat released when 27.9 g of H2O condenses.A) 60.00 kJ
B) 61.05 kJ
C) 63.09 kJ
D) 68.60 kJ

Answers

The heat released for a certain mass of water that is condensing is calculated by multiplying the heat of vaporization and the amount of the substance. Calculation is as follows:

Heat released = (40.7 kJ/mol) (27.9 g) ( 1 mol / 18 g) = 63.09 kJ

Therefore, the correct answer from the choices listed above is option C.

What protects the brain?

Answers

The cranium (aka skull) protects the brain. There also is cerebrall spinal fluid which lubricates and cushions it, preventing injury. 

Which of the following best explains why ecosystems need a continual influx of new energy?a. Photosynthesis feeds herbivores, carnivores, and decomposers.
b. As energy is recycled, a small amount is lost as heat.
c. Energy flows through an ecosystem and cannot be recycled.
d. Cellular respiration does not feed back into other processes.

Answers

The option that best explains why ecosystems need a continual influx of new energy is C. energy flows through an ecosystem and cannot be recycled. Given that it cannot be recycled, and it comes and goes, ecosystems need new energy to replace the old one they may have lost over time. Other answers don't really make much sense and don't have a lot to do with energy/

Which of these verbs expresses an action that is percieved or sensedA. jog
B. laugh
C. punch
D. Want

Answers

D is the correct answer. Want is the most abstract choice here that can be perceived or sensed. Jogging, laughing and punching are all more physical actions.

verbs are words that express actions, perceived actions,or state of being

In verbs like cook, run,talk, and sing the action is obvious

Other verbs such as live, hear, smell, and want , express action is perceived or sensed

Finally some verbs simply suggest state of being such as, is, am, are, was, seem, become, appear, grow, and remain

Without ribosomes, a cell would not produce a.lipids.
b.proteins.
c.salt.
d.water.

Answers

Answer:

b. proteins.

Explanation:

Ribosomes are cell organelles present in the cytoplasm of prokaryotic and eukaryotic cells. In prokaryotic cell ribosome is 70S (S is the Svedberg unit) type and in eukaryotes it 80S type. Besides in cytoplasm of eukaryotic cells, mitochondrial matrix and stroma of the chloroplasts have their own ribosomes similar to prokaryotic ribosomes. Ribosomes in association with endoplasmic reticulum provide platform for the synthesis of polypeptide (protein). The transcribed mRNA is translated into primary protein on ribosomes. Lipids are synthesised by smooth endoplasmic reticulum.  
proteins 
ribbons are responsible for  making proteins in a cell

Scientific models must be able to generate ___________.

Answers

Scientific models must be able to generate PREDICTIONS.

Scientific models refers to frameworks, which are used to elucidate and predict the behavior of an object or a system. Scientists usually use models to carry out research and to explain the results of their research. A good and effective scientific model should be able to make accurate predictions.

scentific modela must be able to generate predictions
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Based on the phylogenetic tree below, which groups of plants evolved most recently? mosses mosses and ferns gymnosperms and angiosperms gymnosperms and ferns
Describe the formation of an ionic compound.
Which modification is crucial in preparing an mRNA strand for proper translation? removal of introns and the splicing together of exons joining of ribosomal subunits to form a ribosomal complex removal of exons and the splicing together of introns addition of a poly-A tail addition of a poly-U tail
cyanobacteria have been engineered to produce isobutanol directly. what advantage does this have over other alternative biofuels? a. it is an inherently renewable fuel source. b. multiple processing steps can be avoided. c. they produce chemical energy through photosynthesis. d. they make a biofuel alternative to gasoline.