Biology College

Please answer one and two will mark brainliest

Answers

Answer 1

Answer:

Because if the food doesn't get texted there is a chance the food might have some things that can spread

Answer 2

Answer:

for question 1. they test it to check if the food is safe/healthy to eat.

Related Questions

If a rat required a high rate of insulin infusion to maintain a specific blood glucose level, then you could conclude that it is:_______

Answers

Answer:

The correct answer is: diabetic.

Explanation:

There are several species where diabetes can manifest, like rats, dogs, and humans. Diabetes Mellitus is a condition characterized by hyperglycemia (high blood sugar levels) and can lead to many complications that are life-threatening to the patients. This hyperglycemia can be caused by a variety of reasons, but they all include an insufficient reach of insulin (the most important hormone in blood sugar regulation) to the target organs - sometimes this occurs because the pancreas can't produce insulin, other times it's because the organs cannot receive it.

In patients in which insulin is NOT produced by the body, the administration of exogenous insulin is required for their survival - this seems to be the case with the rat mentioned in the case. This rat is an insulin-dependent diabetic.

There is a claim that lycopene, the reddish substance in tomatoes and peppers, is of value in protecting people from Alzheimer Disease, a neurological condition. How would you, as a Biomedical Research Scientist, go about to refute or substantiate this suggestion?

Answers

Answer:

Conduct a study to determine if lycopene obtained from tomato and pepper consumption is significantly associated with a decreased level of abnormally folded proteins in neurons of the cerebral cortex

Explanation:

Alzheimer's disease is an irreversible, progressive, brain disorder characterized by the loss of neurons (the main brain cells) and synaptic connections in the cerebral cortex and specific subcortical regions. It has been shown that Alzheimer's disease is associated with an abnormal folding of proteins such as amyloid and tau proteins in neurons, thereby leading to the loss of communication between brain cells. In consequence, in this case, it should be interesting to design a study in order to observe if lycopene obtained from tomato and pepper consumption can decrease the levels of abnormally folded proteins in neurons of the cerebral cortex, which is a pathologic hallmark of Alzheimer's disease. For this purpose, it is expected to form two groups of study: 1-one group composed of individuals that regularly consume tomatoes and peppers and 2-one group composed of individuals that do not consume these fruits, as well as a third 'control' group composed of individuals that obtain lycopene by consuming other plants (e.g., watermelon, pink grapefruit and redd carrots which are also high in lycopene). Subsequently, it should be necessary to experimentally determine if lycopene is significatively associated with a decreased level of abnormal amyloid and tau proteins in neurons of the cerebral cortex. Finally, the comparison between individuals that regularly consume tomatoes and peppers with the control group may result useful to determine if different lycopene sources may affect protein folding.

How much of the world's population is infected with the tuberculosis bacterium?
A. 1/10
B. 1/3
C. 1/2
D. 1/5
E. 1/20

Answers

Answer:

23% im pretty sure that is the answer if i remember right

Many scientists claim that the facts support the belief that climate change is really happening. By examining scientific research and evidence, you will better understand issues and cut through the myths. As you read in the unit, it is important to carefully consider evidence because there is a lot of information in the public sphere that looks like science but it is not based on the scientific method. For this activity, you are going to do your own research on global warming and sort out the facts for yourself. Do research online to find evidence about global warming. To find reliable information, be sure that you use reliable websites, such as those from government organizations (.gov) or universities (.edu). You can also look at publications that are reputable, such as Popular Science, Discover, or National Geographic. Find a minimum of three sources that provide evidence about global warming.

Answers

Climate change is strong evidence of global warming. The data maintained by the concerned departments shows that as the graph of global warming rose, adverse changes in the climate occurred.

Therefore, an increase in global warming and change in climate is directly related. The increase in the speed of the melting iceberg can be seen as the temperature or global warming has increased.

What are the effects of climate change?

Climate is a very important factor in the lives of all living organisms, because it is one of the major factors that determine if a living organism is going to survive or not.

Climate change is said to occur when there are changes in the earth's climate system, which result in the formation of new weather patterns that last for a long time.

Climate change affects living organisms in different ways; while climate change is beneficial to some organisms, it is detrimental to some. For instance, in Europe, climate change (increase in temperature) has been found to have positive effects on some bird populations.

Thus, this could be the answer.

To learn more about Climate change click here:

https://brainly.com/question/12346202

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Classify each description of genetic variation in haploid gametes as a result of random assortment or recombination.

a. Homologous chromosomes independently segregate into haploid cells during meiosis.
b. A diploid cell that is heterozygous for two genes (Aa and Bb) located on different chromosomes produces AB, Ab, aB, and ab gametes in equal proportion.
c. Each chromosome in a haploid gamete may contain some genes from that individual's father and some genes from the mother.
d. Homologous chromosomes exchange genetic information with each other.

1. Random assortment
2. Recombination

Answers

The answer is for
Me in my class was c

Hydrothermal vent ecosystems do not have sunlight available, and hence there are no kinetic energy. Instead, play the role of on which other organisms rely for energy. They compounds such as hydrogen sulfide to obtain energy for themselves. This energy is used to sugar molecules. create an additional energy transfer when they these sugars or eat each other. As in other ecosystems, organisms in hydrothermal vent communities also transform into other forms, such as (energy of motion).

Answers

Answer:

- Hydrothermal vent ecosystems do not have sunlight available and hence there are no photoautotrophs.

- Instead, chemoautotrophs play the role of producers on which other organisms rely for energy. They oxidize compounds such as hydrogen sulfide to obtain energy for themselves. This energy is used to synthesize sugar molecules.

- Consumers create an additional energy transfer when they utilize these sugars or eat each other.

- As in other ecosystem organisms in hydrothermal vent communities also transforms chemical energy into other forms such as kinetic energy (energy of motion).

Explanation:

A hydrothermal vent is a geyser on the seafloor that is generated by underwater volcanoes or tectonic activity through which geothermally heated water erupts. Hydrothermal vent ecosystems contain hydrothermal microorganisms which are able to survive just outside the hottest waters. For example, Methanopyrus kandleri are hyperthermophile prokaryotic microorganisms that live in these ecosystems where they produce methane from reducing CO2. Chemosynthesizers are able to convert carbon molecules (e.g., CO2) and nutrients into organic matter by the oxidation of inorganic compounds such as hydrogen sulfide and/or ferrous ions. Moreover, hydrothermal vent ecosystems have the potential to support high biomass and productivity levels due to the establishment of symbiotic relationships between chemosynthesizers with respiring heterotrophs, which obtain energy from other organisms. Chemosynthesizers are eaten by other organisms (e.g., amphipods and copepods), whereas larger organisms (e.g., snails and crabs) form predator and prey relationships above these primary consumers.

Hydrothermal vent ecosystems do not have sunlight available and hence there are no photoautotrophs.

Instead, chemoautotrophs play the role of producers on which other organisms rely for energy. They oxidize compounds such as hydrogen sulfide to obtain energy for themselves. This energy is used to synthesize sugar molecules.

Consumers create an additional energy transfer when they utilize these sugars or eat each other.

As in other ecosystem organisms in hydrothermal vent communities also transforms chemical energy into other forms such as kinetic energy (energy of motion).

What is Hydrothermal ecosystem?

5. Scientists observe the frequency of the different forms...

Explanation:

100% hopefully this helps someone out ♡

Competitive Advantage Quick Check

Birds with larger beaks being better able to utilize the large seeds correctly

explains why birds with larger beaks had a competitive advantage over

others.

During the drought, there was as scarcity of food and resources and the

birds which have larger beaks has an advantage over other types. This was

as a result of their ability to find food in more areas.

Birds with long beak were able to crack seeds which were large and stronger in size which give them the advantage over others.

Read more on https://brainly.com/question/11949149

Ok so for hair type I need the percentage for the whole punnett square

Answers

Answer:

It's probably 50%

Explanation:

Since Bb is repeated twice, it is 50%.

Hope this helps!

A partly full paint can has 2.75 liters of paint left in it. What is volume of the paint in cubic
centimeters?
(3)
A) 2.75 x 10-3 cm3
C) 275 x 10-3 cm3
E) 27.5 x 103 cm3
B)
2.75 cm
D)
2.75 x 103 cm

Answers

Answer:

2.75 x 10³ cm³

Explanation:

Volume can be measured in both liters (L) and cubic centimeters (cm³), however,

1 liter = 1000cm³

According to this question, a partly full paint has 2.75 liters of paint left in it.

Since 1 liter = 1000cm³

2.75 liters = 2.75 × 1000

2.75 × 10³ cm³ is left.

What is Bt Cotton. Explain its mode of action.

Answers

Answer:

Bt cotton is a genetically modified organism (GMO) or genetically modified pest resistant plant cotton variety, which produces an insecticide to combat bollworm.

15. The movement of molecules in a fluid or gas from a region of higher
concentration to a region of lower concentration is called:

Answers

Explanation:

in gases it is called diffusion:)

In the presence of lactose, how long does it take for the lac operon to be expressed?
(A) when glucose is more than lactose concentration
(B) when lactose equals glucose concentration
(C) as long as lactose is more than galactose concentration
(D) as long as lactose is more than glucose concentration

Answers

Answer:

the lactose Expresses as long as it is present. when all lactose is converted into glucose and galactose, the reaction stops

Answer:

chromosphere

Explanation:

Its the outmost layer of the sun, the only part that is visible on an eclipse.

Answer:

chromosphere

Explanation:

Answer:

The symbiotic relationship between an anemone (Heteractis magnifica) and a clownfish (Amphiron ocellaris) is a classic example of two organisms benefiting the other; the anemone provides the clownfish with protection and shelter, while the clownfish provides the anemone nutrients in the form of waste while also scaring

Explanation:

I asked the same question

Where are the neutrons located in the atom? O In the nucleus O Around the nucleus

Answers

Answer:

in the nucleus

Explanation:

they are found in it

Match the hormone with the appropriate effect or description.

a. Secreted when blood calcium levels are too high
b. Inhibits osteoclast activity Calcitonin
c. Causes RANKL to be produced
d. Secreted by the parathyroid glands
e. Stimulates an increase in the number of osteoclasts
f. Secreted when blood calcium levels are too low
g. Secreted by the thyroid gland

1. Calcitonin
2. PTH

Answers

Answer:

a. Calcitonin

b. Calcitonin

c. PTH

d. PTH

e. PTH

f. PTH

g. Calcitonin

Explanation:

Calcitonin is a short peptidic hormone secreted by the parafollicular cells of the thyroid gland. Conversely to the parathyroid hormone (PTH), calcitonin reduces the calcium level in the blood. If the calcium concentration in blood decreases, the concentration of calcitonin secreted decreases too. On the other hand, the PTH peptide hormone is an important hormone secreted by the parathyroid glands that affect bones and tissues. PTH stimulates the proliferation and activity of the osteoclast (specialized cells that play a crucial role in bone resorption) in order to increase calcium levels in the blood. PTH stimulates the expression of the receptor activator of nuclear factor-kappa-Β ligand (RANKL) protein, thereby activating osteoclast differentiation and inhibiting osteoclast apoptosis.

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