Answer:
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids), and each is an important component of the cell and performs a wide array of functions. Combined, these molecules make up the majority of a cell's mass.
• Help Please I Have To Turn This In in 30 Seconds•
Answer:
B
Explanation:
Answer:
option B is the answer
Fill in the blank with the correct sphere label.
A
В:
C
Answer:
it is a = exosphere b = biosphere and c = hydrosphere
Explanation:
the exosphere takes part in rocks and soil etc. the biosphere takes part of animals and plants etc. and the hydrosphere takes part of any water like lakes, oceans, ponds etc.
i hope i helped!
Which alternating generation is pictured below?
(The image shows a fern plant)
Spores
Gametophyte
Sporophyte
Gametes
Answer:
Sporophyte
Explanation:
Answer:
nice Sporophyte plant :>
Explanation:
why does the vagina get wet ?
Answer: From getting turned on
Explanation:
Answer: Hor/mon/es among Other things
Explanation:
Aro. usal; As you become arou. sed, blood flow to your geni. tals increases, which triggers the release of fluid from the cer. vix and the Bar tholin’s glands, which provides lubr. ication during sex. ual activity. Often, the more arou. sed you’re feeling, the more va. ginal lub. rication your body will produce. Horm ones and age; Horm. ones play a big role in va. ginal wet. ness. Higher estro. gen levels lead to increased va. ginal we. tness, but as your body starts to produce less estr. ogen during meno. pause and afterwards, your body may not produce as much va. g inal fluid, making your va gina drier. Meanwhile, as you move through your men. strual cycle and ovul. ation approaches, your cer. vix produces more va. ginal fluid, which plays an important role in helping sp. erm travel to an egg during the process of fer. tilization. Infection; Sometimes you will feel more we. t than usual if you have an infection such as bacterial va. ginosis. The va. ginal fluid helps to remove bacteria from the va. ginal canal. Infections may also lead you to produce other types of va. ginal dis. charge, which will vary in appearance depending on the type of infection. But if you notice any disch. arge that’s an abnormal color or smell, you’ll want to get in touch with your physician. Medication; Horm. onal birth control can alter your va. ginal fluid production, leaving you more w.et or dry than you’re used to when not taking the medication.
Directions: Part 2 - Write your own skin scenario with FIVE or more sentences, using a completely different scenario than your 1st answer.
Describe TWO ways each skin layer is at work in your scenario.
Part 2 (10 Points) This scenario will be completely DIFFERENT than your original one. Write your own skin scenario here
(5 points)
Answer:
For exampel when a person is working outside there skin helps them stay cool also if a person has a dark pigmentation they are less likely to get burnd by the sun as a light pigmentated person.
Explanation:
When viewing a specimen in a microscope, which parts allow you to physically SEE the image?
stage
eyepiece Only
objective only
eyepiece and the objective
Answer:
When viewing a specimen in a microscope, what allows to physically see the image are both lenses, eyepiece and objective.
Explanation:
In optical microscopy, the lenses used to observe microscopic samples play an important role and are necessary for the study of such samples.
- An objective lens is the first to capture the image, providing clarity and proper focus, as well as eliminating color or shape distortions.
- Eyepiece lens obtains the image provided by the objective lens and enlarges it, so that the observer can appreciate the characteristics of the specimen studied.
Regarding other options:
Stage allows to see the prepared sample, ready for its study, but the microscopic characteristics are not appreciated. The eyepiece and objective work together to provide a proper microscopic image.I need help with this pls
Answer:
The dependent variable would be B, whether or not the men develop baldness.
What do each of these organelles do in a cell? (A plant or animal cell.)
Cell membrane:
Cell wall:
Nucleus:
Nuclear membrane:
Ribosome:
Endoplasmic reticulum:
Mitochondria:
Chloroplasts:
Golgi Apparatus:
Vacuole:
Lysosomes:
Cell Membrane: Semi-permeable layer which controls what enters and exits the cell.
Cell Wall: (are not present in animal cells) Is for structural support for the cell
Nucleus: Controls activities and regulates the cell, known as the control center of a cell
Nuclear Membrane/Nuclear Envelope: Double membrane layer that is mainly for separation of the contents present in the nucleus from the outside.
Ribosome: Forms protein from amino acids sent through the cell
ER: Protein synthesis and protein transport
Mitochondria: Powerhouses of cells, responsible for cellular respiration and producing energy in the form of ATP
Chloroplasts (not present in animal cells): Mainly for the process of photosynthesis
Golgi Apparatus: Lysosome support, transports proteins and lipids through vesicles
Vacuole : Balances pH (stores water for structural support as well)
Lysosomes: Breaks down waste, helps the cell's metabolism
This took a while, sorry for the wait, I really hope this helps!
The first step in DNA replication is
The first step is to basically sort of “unzip” the double helix.
When water dissolves a substance, weak charges on water molecules attract oppositely charged portions of the substance, pulling them out into the solution. Which property of water accounts for this occurrence
A) cohesion
B) pH
C) polarity
D) surface tension
Answer:
C) polarity
Explanation:
The polar nature of water molecules allows it to dissolve like molecules, such molecules are also polar.
In water molecules hydrogen bonds provides a special dipole - dipole attraction. Here, the hydrogen atom is directly joined to a highly electronegative atom(oxygen, nitrogen or fluorine). This leads to a charge separation in which the hydrogen atom has net positive charge and the electronegative one has negative charge. This makes the molecule of water polar. By this property water easily attracts oppositely charged portions of another substance and then pull them into solution.This property of water is polarity of water.
The property of water that is at work as described in the question is polarity.
Water is composed of oppositely charged ends; a positive end and a negative end. These oppositely charged ends are called "dipoles".
The occurrence of dipoles in water makes water a polar molecule. Thus, when water dissolves a substance, weak charges on water molecules attract oppositely charged portions of the substance, pulling them out into the solution. This is possible because of the property of polarity possessed by water molecules.
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A student is studying plant cells under a microscope. She observes one set of
structures that she identifies as chloroplasts, and she observes another set of
structures that she identifies as mitochondria. Is it possible that the student has
correctly identified these structures?
Answer:
yes it is possible for the student has identified the structure correctly
Please help :)
Describe the end result of mitosis in eukaryotes
Answer:
Two genetically identical diploid daughter cells
Explanation:
Mitosis is the process of cell division through which cells proliferate to create new cells. It allows organisms to grow and replace/repair tissues.
Before the cell divides, the diploid cell (two copies of every chromosome) duplicates its genetic material. During the stages of mitosis, the genetic material is divided between two new cells such that each cell contains a complete copy of the genetic information.
Therefore, at the end of mitosis are two genetically identical daughter cells, each with a diploid genome. Each cell is also identical to the starting cell.
Community dynamics are changes in community structure and composition
over time
within 1 year
O within 25 years
O within 1 day
what are some ways that you use the sun’s energy on a daily basis?
Answer:
- dry clothes
- to heat your home
- to power your car
- to generate your electricity
- to grow food
Explanation
Hope this helps I just named a few
1 point
2. Two main differences between mitosis and meiosis are
A. Mitosis creates body cells with 46 chromosomes each, and Meiosis creates sex
cells with 23 chromosomes each.
B. Meiosis creates body cells with 46 chromosomes each, and Mitosis creates sex
cells with 23 chromosomes each.
C. Mitosis - crossing over occurs, and matching pairs of chromosomes (homologous
pairs) separate
D. Meiosis, two new cells are produced, and they have the total number of
chromosomes (46).
Answer:
mitosis: 1.is cell division
2. daughter cells are identical to the mother cell in terms of the number of chromosomes
3. passes through several phases
meiosis
1. The zygote is the most concrete example of division
2. daughter cells are not the same as the mother cell in terms of the number of chromosomes
3. can be divided into more than two
Please do not copy and paste others work I need this soon
Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.
An active volcano is a volcano that has had at least one eruption during the past 10,000 years. An active volcano might be erupting or dormant.An erupting volcano is an active volcano that is having an eruption...A dormant volcano is an active volcano that is not erupting, but supposed to erupt again.An extinct volcano has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future.
Explanation:
The mass of an object is the
a) force of gravity acting on it
B)amount of matter it contains
C)amount of space it takes up
D)amount of water it displaces
Answer:
the amount of matter it contains
Explanation:
mass is the amount of an object contained
in it
Which test would show positive for orange juice
Answer:
Lugol's test
Explanation:
Orange juice contains varied vitamins such as vitamin C. The test that shows positive results for orange juice is Lugol's test.
does anyone know which option?
Answer:
B
Explanation:
in photosynthesis CO2 is used to produce glucose NOT energy.
in cellular respiration O2 is used to produce energy NOT CO2.
in cellular respiration oxygen is used to produce energy and CO2.
Which of the following is true about scientific theories?
A. Theories may change depending on new evidence.
B. Theories are the best explanations provided without any evidence.
c. Theories are opinions developed by scientists.
D. Theories are explanations that will never change
Help please!
The cell membrane helps the cell regulate temperature, nutrient concentration and
wastes. In terms of vocabulary, the cell is maintaining:
a stimulus
a response
metabolism
homeostasis
Answer:
Homeostasis
Explanation:
Cell membranes enable organisms to maintain homeostasis by regulating the materials that may enter or leave a cell.
when you go into the pool, your skin is like a protective coating. So when you go into a chlorine pool and have a open wound it'll burn your tissue and muscle. because your skin protects you from that.
how does epidermis, dermis, and hypodermis work in this scenario?
I need at least 2 sentences for each.
I'll give a brainest to the first one to answer!
Answer:
The epidermis is the outermost layer of the skin, and protects the body from the environment, As so it did when you wen't into the pool
The dermis is divided into a papillary region and a reticular region. The primary function of the dermis is to cushion the body from stress and strain,
so it helps with the burning.
which functions as a mode of fat storage and provides insulation and cushioning for the integument., which provides coushin.
Hope this helps probably not,
Explanation:
Which of the following describes a virus?
A. A virus does not have a cell wall, nucleus, and eats.
B. A virus has a cell, a nucleus, and does not eat.
C. A virus does not eat, use energy, or have cells.
D. A virus does not have a cell, produces carbon dioxide, and uses oxygen.
A virus does not eat, use energy, or have cells. The correct option is C.
What is basically a virus?A virus is an infectious microbe made up of a nucleic acid segment (either DNA or RNA) surrounded by a protein coat.
A virus cannot replicate on its own; instead, it must infect cells and use host cell components to replicate itself.
Viruses are bundles of nucleic acid DNA or RNA encased in a protein shell called a capsid.
Viruses are the most abundant life form on the planet, according to some estimates; they are 10 times more numerous than bacteria.
Viruses could have evolved from mobile genetic elements with the ability to move between cells.
Thus, the correct option is C as a virus does not consume food, generate energy, or have cells..
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How does water transfer when it evaporates from the ocean?
Answer:Most of the water that evaporates from the oceans falls back into the oceans as precipitation. Only about 10 percent of the water evaporated from the oceans is transported over land and falls as precipitation. Once evaporated, a water molecule spends about 10 days in the air.
Explanation:
A mutation that causes abnormal cell division can result in
1.) cystic fibrosis.
2.) clogged arteries
3.) sickle cell anerna aneria
4.) skin cancer.
The process by which a parent cell divides into two daughter cells is known as cell division. Cell growth and chromosome replication precede cell division, which often happens as part of a longer cell cycle.
What can happen if a mutation results in aberrant cell division?Gene mutations can increase the pace of cell division or suppress natural mechanisms that keep the body in check, like cell cycle arrest or programmed cell death. A tumour can form as a collection of malignant cells enlarges.
hence, skin cancer
Proteins are made from information found in genes, and proteins regulate a number of vital processes, including cell growth. Protein function can be altered by genetic alterations. Certain kinds of genetic changes to proteins result in healthy cells can become cancer.
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What Structure can be found in both a virus and a cell?
Answer:
Nucliec Acid :)
Explanation:
Many organisms in the ocean live at depths of water not able to receive sunlight. Since the main marine food web is based on these organisms, how are deep ocean ecosystems able to survive? Question 3 options:
A:Many of the deep ocean animals come to the surface to consume organisms. B:Deep ocean animals are fueled by chemical energy rather than products of photosynthesis.
C: These deep ocean animals rely on organisms that have died and sank to the bottom of the ocean.
D: These deep ocean organisms are able to produce their own energy even in the absence of sunlight.
Answer:D
Explanation:
If an animal does not consume glucose, how is the body still aback to obtain energy needed for cell processes
Answer:
through gluconeogenesis
Explanation:
Definition of gluconeogenesis
How many first-level consumers are in the food web below? *
Answer:
2: Shrubs and grasses
Explanation:
Shrubs and grasses are both first level consumers, obtaining their energy from the sun. They are also the source, essentially, of the entire food web's food sources.
Warm air always wants to _________________.
a. rise (will give brainiest)
B. fall
c. move left
d. move right
Answer: A(Rise)
Explanation: Air flows from high pressure, to low pressure. for example: there are 2 rooms, one is cold and is warm that of warm room is thinner air rising towards the ceiling when the air from the two rooms gets mixed. now the cold air will be leaving the room close to the floor. At the same time, warm air from the warm room will rise and move into the cold room close to the ceiling
