Why can humans not see ultraviolet (UV) light?

Answers

Answer 1

Answer:

Most humans cannot see ultraviolet light because it has a smaller wavelength than violet light, putting it outside of the visible spectrum.

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Related Questions

What is the difference between a subscript and a coefficient ?

Answers

Answer:

Subscripts: Part of the chemical formulas of the reactants and products that indicate the number of atoms of the preceding element. Coefficient: A small whole number that appears in front of a formula in a balanced chemical equation.


1. Besides bacteria, what are some other types of microbes that live in the rumen of a cow's
stomach?

Answers

Answer:

Spirochete, fungi, and protozoa

(not sure if this helped)

Answer:

Many diverse microbes live together in close association in the rumen.

Cellulose degrader.

Spirochete in Cow Rumen.

Methane Producer. This bacterium produces methane, a flammable gas, in a the rumen.

Entodinium dividing. Protists thrive inside the rumen.

Hairy Rumen Protist with bacteria.

Ophryoscolex.

Fungal zoospores on hay.

Explanation:

Bacteria and fungi are examples of a group of consumers called

Answers

Answer:

Bacteria and fungi are examples of a group of consumers called Decomposers

Explanation:

Bacteria and fungi are the organisms which are examples of a group of consumers called the decomposers. These are herbivores which are dependent upon the dead and decay material for their nutrition.

What are Consumers?

Consumers are the group of organisms which cannot synthesize their own food and hence depends upon some other organism for their nutritional requirements.

Consumers are classified further on the basis of their nutritional requirements such as herbivores, carnivores, omnivores, etc. Bacteria and fungi are the examples of decomposers which feed upon dead and decay matter for nutrition. These belong to the Kingdom Monera, Protista, and Fungi and the highest tropic level in the food chain of an ecosystem.

Learn more about Consumers here:

https://brainly.com/question/13420317

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When an atom loses an electron, it becomes a?

Answers

when it loses an atom it becomes an ion
It becomes a positive ion . Eg Na lost 1 electron to form Na+ . Vive verca , if an atom gains an electron it becomes negative

Lactase breaks down lactose into glucose and galactose. IDENTIFY the:
1. enzyme 2. substrate 3. products

Answers

Answer:

enzyme

Explanation:

i think but follow me

The general trend of the growth of human population is best described as _____.

decreasing
variable
exponential
logistic

Answers

The general trend of the growth of human population is best described as exponential

With the magnification of 10x through the lens of the eyepiece and the shortest objective, you get how much magnification?
100x
40x
400x
1000x

With magnification of 10x through the lens of the eyepiece and the medium length objective, you get how much magnification?
100x
40x
400x
1000x

(i just chose random answers so don’t mind that but I need HELP!!)

Answers

Answer:

10x to shortest is 40x

1x to medium is 100x

which type of cell never has a cell wall?

Answers

Answer:

I think it is animal cells

Hope this Helps!

It’s an animal cell.

What is the main function of this organ

Answers

Answer:

In an organ, different tissues work together to carry out a particular function. These are the main organs, as well as their primary function: The brain controls thoughts, memory and other organs. The heart pumps blood around the body.

Help me!!!!
It's 7th grade science

Answers

Answer:

do not have a nucleus is the answer to the second one

small DNA floats freely in the membrane

Which organelles are found in plant cells but not in animal cells?
cell membrane, vacuole
cell wall, chloroplasts
cell wall, vacuole
cell membrane, chloroplasts

Answers

Answer:

The organelles that are found in plant cells is a cell wall and the organelles that are  not found in animal cells are chloroplasts

Explanation:

Hope this helps!!!!!

So it would be the second one!

Cell wall and chloroplasts are organelles found in plant cells.

What is Plant and Animal cell?

Plant cell is a type of eukaryotic cell that is have membrane bound organelles found in green plants.

Organelles in plant cells are chloroplast, cell wall, ribosomes, vacuole and so on.

Animal cells are eukaryotic cells that is have membrane bound organelles which are enclosed in cell membrane.

Organelles found in Animal cells are cell membrane, mitochondria, ribosomes, Golgi apparatus and so on.

Therefore, Cell wall and chloroplasts are organelles found in plant cells.

Learn more about Plant and Animal cell from the link below.

https://brainly.com/question/913732

The farther a planet is located from the sun, the longer its day and year. How accurate is this statement?

Answers

Answer:

Very Accurate cause if a planet is farther from the Sun the slower and longer it takes to make a rotation around the Sun

Explanation:

All human body cells contain 46 chromosomes. However, sperm cells in men and egg cells in women have only 23 chromosomes. This is due to meiosis. How does meiosis accomplish the reduction in chromosomal number?

Answers

Answer:

Two cell divisions after DNA replication

Explanation:

After the DNA is replicated, the cell undergoes two rounds of meiosis to produce 4 cells, each wIth 23 chromosomes. This is how the cell goes from a diploid to a haploid state.

Which organelle provides support for the cell and may also help the cell move?
Cell Membrane
Cytoplasm
Cytoskeleton
Ribosome

Answers

Cytoskeleton because it maintains cell's shape, secures organelles in specific positions, allows cytoplasm and vesicles to move within the cell

What is the main function of vacuoles?

Answers

Vacuole, in biology, a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid. Especially in protozoa, vacuoles are cytoplasmic organs (organelles), performing functions such as storage, ingestion, digestion, excretion, and expulsion of excess water.

A _ _ _ _ _ _ _ _ _ _ _ _ _ is a small particle consisting of RNA or DNA enclosed in a protein coat.
anyone knows the answer? :(

Answers

Answer:

Virus

Explanation:

Viruses are made up of nucleic acids (DNA or RNA) surrounded by a protein coat. They are smaller than the smallest bacterium. Viruses consist of nucleic acid (genetic material) surrounded by a capsid (protein coat).

Of the following statements, WILL MARK YOU BRAINLIEST!!

which is not part of the current rules of animal research?
A. The research must have a clear, scientific purpose.
B. The research must provide humane care and housing.
C. The research must ensure the least amount of suffering possible.
D. The research must use animals whenever possible.

Answers

Answer:

Answer D

Explanation:

Because for animal research, you want to use animals as little as possible

Answer:

D: The research must use animals whenever possible.

Explanation:

I got it right on edge

Students had two batteries and two different resistors. During four trials, they build four different circuits and plan to measure the circuit's
current in Amps according to the following table.
Trial Number
Current (A)
Voltage (V)
1.5
1
Resistance (2)
200
100
2
1.5
3
3.0
200
4
3.0
100
For which trial would the students measure the smallest current in the circuit?
O A Trial 1
OB Trail 3
C Trail 4
D Trail 2

Answers

Answer: It not Trial 2 nor Trial 4

Explanation:

Trust me :)

A different number of these ions

Answers

An ion is an atom that has different number of protons and electrons. An isotope is an atom of an element with a specific number of neutrons. Two different isotopes of the same element will have two different neutron counts.

Explanation:

Aerobic respiration takes place in the mitochondria because?

Answers

Answer:

Glycolysis takes place in the (g)cytoplasm. Two molecules of ATP and two molecules of (h)NADH are formed for every glucose molecules that is broken down. (i) Aerobic respiration takes place in the (j) mitochondria. It is aerobic because the process requires (k)oxygen.

Explanation:

Answer:

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions.

Explanation:

What is gas exchange

Answers

Answer

Gas exchange is the delivery of oxygen from the lungs to the bloodstream

Explanation:

It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

write it in your own words, also can i have brainliest

Answer:

XD....

Explanation:

Gas exchange is the physical process by which gases move passively by diffusion across a surface.

What process best explains how a nerve cell and a muscle cell can both
develop from the same fertilized egg?
O A. differentiation
O B. natural selection
O C. selective breeding
O D. genetic engineering
Need ASAP!

Answers

Answer:

Im pretty sure its A.

Explanation:

=just took the teskst

Answer:  The correct answer is A. differentiation

Explanation:  Confirmed correct.

Milk sugar is a good source of;
A)galactose
B)glucose
C)fructose

Answers

The correct answer is glucose!

Predators tend to feed on the and the

Answers

Answer:

Is there more parts to this question?

Explanation:

The only thing I can think of is Prey, or Prey animals..? if there is more parts to this question feel free to drop the full question in the comments and I will attempt to answer it!

GIVING BRAINLIEST AND FIVE STARS AND THANKS! TO BEST ANSWER! HAVE A GREAT DAY! thank you!
An organism which must obtain its food from other organisms is called a:

parasite

spore

fern

moss

Answers

Heterotrophs, or consumers, are organisms that must obtain energy by consuming other organisms (autotrophs or other heterotrophs) as food.

When stars are just forming, they are known as

Answers

Answer:

Molecular clouds.

Explanation:

High-density and super-heated clouds of matter in a stellar nursery come together and form hot, nuclear balls of plasma called stars.

◘HURRY PLEASE◘
↓↓↓↓↓↓↓↓↓↓↓↓↓↓

Answers

Answer:50

Explanation:

1. Changing environmental conditions, such as temperature or pH, can affect enzyme shape. How would this alter the enzyme's function?

Answers

Answer:

It may cause the enzyme to stop working by overheating the enzyme

Explanation:


Glucose and oxygen are products.

Photosynthesis
Respiration
Both

Answers

Answer:

Photosynthesis

Explanation:

In photosynthesis, carbon reduction helps make glucose, the oxygen is formed with the reduction of water in the photosystems 2 and 1.

In cellular respiration, both of these compounds would be reactants.

Why does PE = mgh equal PE = Fw h ?

Answers

Answer:

Why is potential energy MGH?

Potential energy is energy an object has because of its position relative to some other object. ... For the gravitational force the formula is P.E. = mgh, where m is the mass in kilograms, g is the acceleration due to gravity (9.8 m / s2 at the surface of the earth) and h is the height in meters.

Explanation:

Yes Yes Yes Yes Yes Yes

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