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Delicious77 [7]
3 years ago
11

Octopus and squid have chemoreceptors on their _____.

Biology
1 answer:
Natalija [7]3 years ago
3 0
Octopus and squid have chemoreceptors on their tentacles. The correct option is the third option.
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Think about the dna coding sequence of a gene. if an a were swapped for a t, what kind of mutation could it cause and why?
sukhopar [10]
If an A (Adenine) were swapped for a T (Thymine) it will lead to A TRANSVERSION TYPE OF POINT MUTATION.

Replacement of an A with a T is a transversion type of point mutation because in transversion the purine is replaced with a pyrimidine. Since in this case only one nucleotide is replaced, it is a point mutation.
8 0
3 years ago
The letter D represents a _______ (which are three based on the mRNA).
skad [1K]

Answer:The genetic code is based upon the reading of how many bases at a time? A. one. B. two. C. three. D. four.

8 0
3 years ago
Write a five paragraph essay focused on four different adaptations that hominids obtained over the last 6 million years.
Valentin [98]

Answer:Which is an adaptation?

Adaptation is the evolutionary process where an organism becomes better suited to its habitat. This process takes place over many generations. It is one of the basic phenomena of biology. ... Adaptation occurs because the better adapted animals are the most likely to survive, and to reproduce successfully.

What are the benefits of biodiversity to humans?

A healthy biodiversity provides a number of natural services for everyone:

Ecosystem services, such as. Protection of water resources. Soils formation and protection. ...

Biological resources, such as. Food. Medicinal resources and pharmaceutical drugs. ...

Social benefits, such as. Research, education and monitoring.Adaptation involves coping not only with the physical abiotic environment (light, dark, temperature, water, wind), but also with the complex biotic environment (other organisms such as mates, competitors, parasites, predators, and escape tactics of prey).

Explanation:

4 0
2 years ago
Five dialysis bags constructed of membrane, which is permeable to water and impermeable to sucrose, were filled with various con
Gekata [30.6K]

Answer:

The options

A. A

B. B

C. C

D. E

The CORRECT ANSWER IS D.

E.

Explanation:

It is a regular occurrence for dialysis bags or dialysis tubing to be employed in permitting smooth movement of molecules when having to do with a fluid. These bags are normally evaluated to ensure that the client has adequate amount in th bag so as to be able to achieve the goal at hand.

If we have five dialysis bags being formed from a semi-permeable membrane which is impermeable to sucrose, they may be saturated with different concentrations of the sucrose with each of these bags being positioned in different beakers that have an initial amount of 0.6 M of a sucrose solution.

At ten minute intervals, the bags were massed and the weight was calculated to look for changes in the level of concentration. In this situation, the bag with the lowest initial concentration of sucrose is be the one that has its mass reducing over time and that is E.

The attached image confirms our answer as from the graph, option E shows the lowest initial concentration of sucrose.

3 0
3 years ago
What is a toxic chemical produced by our excretory system called.
slega [8]

Answer: ammonia

Explanation: Nitrogenous wastes in the body tend to form toxic ammonia, which must be excreted. Mammals such as humans excrete urea, while birds, reptiles, and some terrestrial invertebrates produce uric acid as waste. Uricothelic organisms tend to excrete uric acid waste in the form of a white paste or powder

4 0
2 years ago
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