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kicyunya [14]
3 years ago
11

"A research group is looking for a way to use spider silk, valued for its high tensile strength, to make extremely strong ropes,

but spiders only produce small amounts of silk. They have isolated the gene and have inserted it into cows to produce the silk protein in their milk where the scientists can collect it in large quantities. What is this process called?"
Biology
1 answer:
tatuchka [14]3 years ago
7 0

Answer:

The correct answer is "Transgenics".

Explanation:

The missing options of this question are:

A. Artificial selection

B. Transgenics

C. Bioreaction

D. Recombination

The correct answer is option B. "Transgenics"

Transgenics is a term used to describe the artificial insertion of one or more DNA sequences to an organism that would normally not have it. In this example, the term transgenics applies to the cows that serve as hosts for the production of the spider silk. The process transgenics is what gives the name to terms such as "transgenic food", "transgenic plants" or "transgenic animals".

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A nurse prepares to discharge a client who has a wound and is prescribed home health care. which information should the nurse in
iren [92.7K]
The discharge nurse should include, steps for cleaning the wound, things to look for that indicate the wound isn't healing, any medications prescribed, a follow up appointment, a contact number,
8 0
3 years ago
A researcher discovers a new prokaryote that lives on the seafloor near hydrothermal vents. This organism reduces CO2 to form C6
expeople1 [14]

Answer:

D. Chemoautotrophs

Explanation:

Autotrophs in plain are organisms that synthesize their own food while hetrotrophs are organisms that do not synthesize their own food.

Chemotrophs (Chemoautotrophs and Chemohetrotrophs) are a group of organisms that obtain their energy through the oxidation of inorganic molecules, These organisms require carbon to survive and reproduce.

Chemoautotrophs are able to produce inorganic molecules by the fixation of CO2 from their immediate environment. The energy required for this process is got from Nitrogen, Magnesium, Sulphur etc.

Chemohetrotrophs are a class of chemotrophs that are unable to synthesize their own food but rather ingest complex molecules like carbohydrates from the environment.

Phototrophs are a group of organisms unlike chemotrophs that depend on the source of light or sunlight for synthesizing its food or organic molecules.

Photoautotrophs are basically photosynthetic plants which are able to carry out photosynthesis ie the conversion of CO2 and H2O to give Glucose and Oxygen in the presence of sunlight.

Photohetrotrophs are a class of organisms that do not synthesize their own food but rely on other organisms or already made organic molecules.

5 0
3 years ago
No machine can achieve 100% efficiency in terms of work output. In any mechanical system, what is considered the most common cau
Alex777 [14]
The answer is A, friction.

Friction is the force that resists movement, and that's why oil is used as a lubricant and why ball bearings are used for machines that need to move with very little friction(i.e. bike wheels, roller skates, fidget spinners)

Answer B is too vague
C will probably reduce efficiency greatly, but not specifically in a way that turns work into thermal energy.
D is the same as C, except that it places the blame on the person using the machine, not the machine itself.


Hope I helped clear it up for you :)
3 0
3 years ago
Read 2 more answers
Quaking aspen trees can send out underground stems for asexual reproduction. Sexual reproduction is not as common, but when it d
Doss [256]

Answer:

38

Explanation:

  • Sexual reproduction happens when there is the involvement of two parents to give rise to the offsprings.
  • For the production of offsprings, each of the parents produces a haploid gamete and it is by the fusion of these two haploid gametes that a diploid organism is produced.
  • In the given situation, there are 19 chromosomes present in the haploid gametes this means that a diploid individual will have 2X19 = 38 chromosomes.
  • Now the underground stem cells are not gametes but somatic cells and the somatic cells are diploid and hence, they will have 38 chromosomes.
3 0
3 years ago
Water is prevented from entering the active site of glycogen phosphorylase.
FrozenT [24]

Answer:

a. to prevent the unnecessary breakdown of glycogen

b. to prevent the formation of glucose

e. to prevent hydrolytic cleavage of glucose 1‑phosphate

Explanation:

the main reason is to prevent hydrolysis. because the entry of water could lead to the formation of glucose rather than glucose 1-phosphate.

3 0
3 years ago
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