<h2>Answer:</h2>
<u>Energy flows from the producer level to the consumer level.</u>
<h2>Explanation:</h2>
In any ecosystem, Producers are those species which make their own food. The best example is any kind of green plant. Green plants make their food by taking sunlight and using the energy to make sugar. On the other hand The organisms that obtain their energy from other organisms are called consumers. All animals are consumers, and they eat other organisms. So we can see that energy always flows from producers to consumers.
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I believe the answer would be:
Excess Vitamin A is most harmful to an embryo during the first and second months of pregnancy.
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Answer: the amount of air that normally enters the lungs during quiet breathing, which is about 500 milliliters.
Explanation:
Answer:
The correct answer is b. recognizes foreign DNA sequences that have previously entered the cell and directs the Cas proteins to destroy them.
Explanation:
Clustered regularly interspaced short palindromic repeats (CRISPER) is the sequences of DNA found in the genome of prokaryotes and archaea. These sequences are added at a crisper locus in DNA by bacteria through capturing bacteriophage DNA during infection.
Then this sequence is used to detect a similar sequence of bacteriophage during subsequent infection and destroy them by Cas9 enzyme. Cas 9 enzyme uses a crisper sequence as a template to destroy similar phage DNA.
So the CRISPER Cas system provides an adaptive defense mechanism to bacteria against foreign DNA coming from bacteriophage. Therefore the correct answer is b.
Answer:
Explanation:
Lipids are composed of a glycerol molecule bonded to long hydrocarbon chain(s) "can be single or multiple" and, depending on the lipid, to other molecules—such as a phosphate group "phospholipids". Fats Fats consists of glycerol and 3 fatty acids.
