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Biology 21 Online
OpenStudy (anonymous):

Question 1 (True/False Worth 1 points) At most crime scenes, investigators will only be able to recover partial fingerprints. True False Question 2 (True/False Worth 1 points) On average, there are about 10 ridge characteristics in a fingerprint. True False Question 3 (True/False Worth 1 points) All fingerprints are invisible to the naked eye. True False Question 4 (True/False Worth 1 points) A precipitin test is used to distinguish between animal and human blood. True False Question 5 (True/False Worth 1 points) The properties of hair do not change a

OpenStudy (anonymous):

hello thanks bunches for trying to help me out if i get a good grade ill give u a medal

OpenStudy (anonymous):

r those for answers 1234

OpenStudy (anonymous):

could u helpme also and by the way are u good at geometry cuz imma need help with that also and also r u good at spanish cuzimma need help with that also

OpenStudy (anonymous):

kj98 could u help me

OpenStudy (anonymous):

im stuck could u help with anything else

OpenStudy (anonymous):

.........

OpenStudy (anonymous):

could u plzz help me

OpenStudy (anonymous):

............

OpenStudy (anonymous):

Hey I think I can can help give me a sec though

OpenStudy (anonymous):

ok also omg im famous i had 3 people looking at my question lol

OpenStudy (anonymous):

what happened u were typing for like 5 min then u stopped

OpenStudy (anonymous):

1. True 2. False 3. From what I am reading only Latent finger prints are invisible to the naked eye so idk if that helps. 4. True 5. questiong isnt finished so I cant help ummm so I used google and used multiple sites to check these answers but you may have to use your discretion on which sound right

OpenStudy (anonymous):

Question 5 (True/False Worth 1 points) The properties of hair do not change as we age. True False Question 6 (Multiple Choice Worth 1 points) How much does hair grow on average in one month? One centimeter Seven centimeters Fifteen centimeters Thirty centimeters Question 7 (Multiple Choice Worth 1 points) What type of DNA is easiest to collect? Nuclear DNA Mitochondrial DNA Cellular DNA Individualistic DNA Question 8 (Multiple Choice Worth 1 points) When a blood drop lands on a surface at a 90-degree angle, what shape is the drop in typically? An oval A circle A sphere The angle makes no difference in the shape of the drop. Question 9 (Multiple Choice Worth 1 points) To distinguish between human and animal hair, forensic scientists may look at what part of the hair? Medulla Nucleus Root Color Question 10 (Multiple Choice Worth 1 points) What type of fingerprints are invisible to the naked eye? Plastic fingerprints Latent fingerprints Visible fingerprints Abbil fingerprints Question 11 (Multiple Choice Worth 1 points) What gives fingerprints their unique characteristics? Cell characteristics Arches Luminol characteristics Ridge characteristics Question 12 (Multiple Choice Worth 1 points) The first system to classify blood types is known as which of the following? A-S-R system B-D-G system A-B-O system C-O-V system Question 13 (Multiple Choice Worth 1 points) A hair's form and structure is known as what? Individual characteristic Morphology DNA Biology Question 14 (Multiple Choice Worth 1 points) What test may be used to determine if a stain is blood or not? Sessions-Briggs Color Test Van-Daniels Color Test Kastle-Meyer Color Test Mira-Curie Color Test Question 15 (Multiple Choice Worth 1 points) What is the best source of nuclear DNA when working with hair samples? The root The medulla The hair tip Follicular tissue

OpenStudy (anonymous):

kj posted the rest of question5 and the others i need help with

OpenStudy (anonymous):

after this stay in my question cu imma need more help with spanish geometry and more forensic science then if i get good grades ill fan u and give u a medal

OpenStudy (anonymous):

um 5 im not positive but i think that one is false I think hair characterists do change but im not positive 6. idk i am only finding answers in inches 7. I believe is Mitochondrial DNA 8. I think is a circle but im not positive you should really double check all these answers on google before submitting

OpenStudy (anonymous):

what bout questions 9,10,11,12,13,14.15

OpenStudy (anonymous):

I dont think I can answer all I'm trying but im als trying to do my work same time

OpenStudy (anonymous):

lol its ok if u cant help with this are u at least able to help with spanish or geometry

OpenStudy (anonymous):

.......

OpenStudy (anonymous):

I have no idea for number nine google aint helping 10. Latent finger prints

OpenStudy (anonymous):

and dont think I can with spanish and know I cant with geometry

OpenStudy (anonymous):

ok so what grade r u in

OpenStudy (anonymous):

10th but i am taking german not spanish and i am taking part of algebra not geometry

OpenStudy (anonymous):

wow ok i got ya

OpenStudy (anonymous):

ok thanks anyways stay here for a min imma check my answers and if i got them right then ill give u amedal and ill favorite u

OpenStudy (anonymous):

y r u getting notifications from it

OpenStudy (anonymous):

we are done anyways just give us 3 min

OpenStudy (anonymous):

congrats u get a medal and a fav lol i got 12/15 cuz i forgot to answer a question i knew the answer too imm soo mad >:(

OpenStudy (anonymous):

Sorry bout that but glad I could help! Are you in Connexus or something?

OpenStudy (anonymous):

no never herd of it but i gtg i got to help someone with a question thanks anyways

OpenStudy (anonymous):

cya

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