Where can I find solutions for multi variable and vector calculus? is a post from: Nature Technology Corporation

What is the general solution of y in a x y = 0? (Where a and y are vectors, and it's the cross product)? is a post from: Nature Technology Corporation

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thank you for your help!!

Please explain the recombinant DNA technology in manufacturing Gardasil vaccine? is a post from: Nature Technology Corporation

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I’m not looking for the solution here. I just need some help getting started to better understand the problem. Thank you so much for your help.

Find a unit vector with positive first co- ordinate that is orthogonal to …? is a post from: Nature Technology Corporation

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thank you for your help!!

Please explain the recombinant DNA technology in manufacturing Gardasil vaccine? is a post from: Nature Technology Corporation

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Question2
The emergence of many diverse species from a common ancestor that finds itself in a new environment is called
a.adaptive radiation.
b.disruptive selection.
c.allopatric speciation.
d.gradualism.

Question 3
When a tetraploid flower pollinates a diploid flower of the parental species, the resulting offspring will be
a.triploid and fertile.
b.pentaploid and sterile.
c.triploid and sterile.
d.pentaploid and fertile.

Question 4.
Speciation without geographic isolation is called ________ speciation.
a.incomplete
b.sympatric
c.punctuated
d.diversifying

Question 5
Ancestral diploid wheat species had 2n = 14 chromosomes. What happened when two of these species hybridized?
a.They produced a viable, fertile hybrid species with 14 chromosomes.
b.They produced a hybrid species with 14 chromosomes that was sterile, because the chromosomes from the two different parent species did not pair up properly in meiosis.
c.They produced a hybrid species with 2n = 7 chromosomes through the process of chromosomal reduction.
d.They produced a hybrid species with 28 chromosomes

PLease dont guess on answers. Im studying for a test in a couple of days. thanks
-im not too sure about these but this is what i think tell me if Im wrong!
1]b 2] a. 3] c 4] b 5] not sure.

The biological species concept is? is a post from: Nature Technology Corporation

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b) manufacture of a protein based on info carried by RNA

c) modification of a strand of RNA prior to the manufacture of a protein

d) manufacture of a new strand of DNA complementary to an old strand of DNA

BIOLOGY: Transcription is the____? is a post from: Nature Technology Corporation

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2. How can one gene code for more than one kind of polypeptide (protein)?
a. by recombinant DNA
b. with use of plasmids
c. by making alternative forms of RNA
d. all of the above

3. How can scientists get more DNA for analysis from a small sample at a crime scene?
a. STR
b. RFLP
c. PCR
d. it is not possible

4. What is true of the development of pesticide resistance in an insect population?
a. spraying the pesticide created the mutation that led to resistance
b. the resistance gene must have been in some members of the population before the spraying
c. natural selection created the gene for resistance

5. What leads to genetic variation in population?
a. natural selection
b. mutation
c. sexual recombination (meiosis and fertilization)
d. B and C
e. all of the above

6.- 8. True/False

6. Most cancers are caused by genes that can be inherited.

7. A particular restriction enzyme will cut up DNA randomly along the molecule.

8. Human genes can be expressed in bacteria.

An explanation for each answer would be helpful too. Thanks.

Can someone help me with this biology questions? is a post from: Nature Technology Corporation

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Find G(r(t))

Please show me how you got your solution. Thank you very much!

Vector Function in Parametric Form Question? is a post from: Nature Technology Corporation

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2) What process produces male and female reproductive cells in plants???
A. mitosis
B. meiosis
C. replication
D. fertilization

3.Which cell organelle requires oxygen to carry out cellular respiration???
A. ribosomes
B. nuclei
C. mitochondrion
D. membranes

4) Which body function is most affected by arteriosclerosis???
A. circulating blood to tissues
B. assembling amino acids into proteins
C. replacing damaged cells with new cells
D. breaking down food particles into molecules

5. Glands that excrete salt in the mangroves are examples of
A. meiosis
B. osmosis
C. adaptions
D. successions

6) The ability of whirligig beetles to gradually release a foul-tasting substance most likely results from???
A. mutation
B. succession
C. natural disaster
D. recombinant DNA

7) The environmental pressure most likely responsible for an increase in the number of resistant weeds is
A. herbicides
B. non-resistant weeds
C. competition with crops
D. genes in genetically modified crops

Which task is correctly paired with the appropriate tool???
A. grouping organisms—— Punnett square
B. determining genotypes——- microscope
C. discovering mutations——- classification key
D. determining relatedness—– electrophoresis gel

9) A cell is observed through a microscope. The cell is found to have a cell wall, a cell membrane, and numerous ribosomes. The cell does not have a nucleus. This is most likely from a
A. bacterium
B. fungus
C. plant
D. protist

10) Which of these transports nutrients to the cells of a squid???
A. gametes
B. blood
C. sea water
D. nerves

11. Which organ system works with the muscular system to control muscle contraction???
A. circulatory
B. excretory
C. nervous
D. reproductive

12) Prokaryotic cells possess all of the following except
A. cell membrane
B. ribosomes
C. cell wall
D. nuclear membrane

13) What organ system controls the movement of the squid’s tentacles???
A. circulatory system
B. nervous system
C. respiratory system
D. excretory system

14) Which of these is not a purpose of a squid’s sensory organs???
A. finding mates
B. avoiding predators
C. excreting waste
D. locating prey

15) A researcher is studying raccons and skunks. She wants to find out how closely these two mammals are related. Which of these characteristics would be best for her to study???
A. sequences of DNA
B. reproductive habits
C. movement of RNA
D. physical appearance

BIOLOGY HELP PLEASE!!!? is a post from: Nature Technology Corporation

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