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Rudik [331]
3 years ago
5

PLZ HELP HURRY

Biology
1 answer:
MA_775_DIABLO [31]3 years ago
4 0

Answer:

Explanation:

c

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Comparing the forensic use of DNA fingerprinting and traditional fingerprinting produced by ink on a piece of paper, which fact
Marina CMI [18]

Answer:

The correct answer would be Both types of fingerprints can often be easy to obtain from the crime scene.

DNA fingerprinting is a technique used for a paternity test and in establishing a link between the biological evidence and suspect in the crime, identification of dead bodies et cetera.

It is based on the similarities and differences associated with the DNA sequence of organisms especially the non-coding or junk DNA.

The DNA fingerprints are developed in labs, they are not found at crime scenes.

At the crime scene, pieces of biological evidence such as blood, skin, hair et cetera are taken from which DNA could be extracted.

5 0
3 years ago
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Which statement accurately describes Darwin’s experience on the Beagle? A. He had a eureka moment and understood how species evo
svlad2 [7]

C --> He collected a vast amount of data and observations that fueled later theories

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3 years ago
Match each of the following descriptions with the correct brain structure(s). Drag the terms on the left to the appropriate blan
Shtirlitz [24]

Answer:

a. midbrain

b. thalamus; hypothalamus, epithalamus

c. cerebral aqueduct

d. medulla oblongata

e. choroid plexus

f. pons; medulla oblongata; midbrain

g. hypothalamus

h. cerebrum

i. epithalamus

j. cerebrum

k. cerebellum

Explanation:

The brainstem is the posterior part of the brain that connects the cerebrum with the spinal cord. The brainstem can be divided into three parts: midbrain (i.e., mesencephalon), the pons (i.e., metencephalon), and the medulla oblongata (i.e., myelencephalon). The mesencephalon is a region of the brain composed of the tectum and tegmentum, which play fundamental roles in motor movement, auditory and visual processing. The corpora quadrigemina is found at the tectum region of the midbrain. The diencephalon is a small part of the brain located above the brainstem (between cerebral hemispheres); which contains the thalamus, hypothalamus, subthalamus, and epithalamus. In turn, the epithalamus is composed of the habenular nuclei, pineal gland, and the stria medullaris thalami. The cerebral aqueduct is a narrow channel (approx. 15 mm) in which the cerebrospinal fluid flows between the third ventricle and the fourth ventricle. The medulla oblongata is a long stem-like structure located in the brainstem of the brain, just in the place where the brainstem connects the brain to the spinal cord. The choroid plexus is a complex network of capillaries located at the cerebral ventricles of the brain, which serve to produce cerebrospinal fluid through ependymal cells that line the ventricles of the brain. The cerebellum is a major structure of the hindbrain and consists of the cerebellar cortex and a core of white matter having the cerebellar nuclei.

4 0
3 years ago
Bacteria can make their own folic acid, which is required for nucleic acid synthesis, but humans cannot and instead have to inge
lidiya [134]

This drug inhibits the growth of bacterial cells but not human cells. This is an example of the selective toxicity of antibiotics.

Folic acid is an essential component for all cells to synthesize nucleic acids (DNA and RNA). Human cells do not synthesize folic acid and they take it through food. Bacterial cells are impermeable to folic acid and hence they need to synthesize their own folic acid.

Antibiotics target the metabolic pathway of folic acid synthesis in bacteria by inhibiting one of the enzymes in this pathway. These drugs are only toxic to bacteria but not to humans because humans do not have the folic acid synthesis pathway and hence they do not get affected by the action of the antibiotic. This is known as the selective toxicity of antibiotics.

These antibiotics are designed in a way to target the infecting agent (bacteria) while rendering minimal or no toxicity to the host (humans).

Know more about selective toxicity here :

brainly.com/question/13142849

#SPJ4

7 0
2 years ago
Blank Is a rock with a find dark texture that makes up the oceanic crust
vagabundo [1.1K]

a atmospheric rock is the "answer" sorry just need some points

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