14. Which is the basic unit of life?
A. a tissue
B. an organism
C. the cell
D. the community​

The fully assembled ribosome in bacterial cells is described as 70S.

Ribosomes are cellular structures responsible for protein synthesis. They exist in both bacterial and eukaryotic cells, but their sizes differ. Ribosomes are characterized by their sedimentation coefficient, denoted by the letter 'S.'

In bacterial cells, the fully assembled ribosome consists of a large subunit and a small subunit, combining to form a 70S ribosome. The large subunit is approximately 50S, while the small subunit is around 30S. When these two subunits come together, they form the 70S ribosome.

The other options listed, 50S, 80S, and 30S, refer to either the individual subunits or ribosomes found in different organisms. The 80S ribosome, for example, is characteristic of eukaryotic cells rather than bacterial cells.

Therefore, the correct option is option (a)

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Parietal lobe is one of the main lobes in the brain which is located at the upper back area in the skull. It process sensory information that it accepted from the outside world that is associated to touch, taste, and temperature. The techniques used to view the parietal lobe are Positron emission tomography (PET) and functional magnetic resonance imaging (fMRI).

Parietal lobe is near the top and center of the cerebral cortex just at the back of the frontal lobe and at the top of the occipital and temporal lobes.

The occipital lobe help the parietal lobe in visual perception and processing including spatil navigation and reasoning.

Answer:

B is right answer. sea breeze

The following statements about bright field microscopy are true:1.Living micro-organisms are viewed by bright field microscope., 2. Bright field microscopy is the simplest and most common microscope, and 4.It illuminates the specimen using visible light.

Bright field microscopy is an optical microscopy technique that involves the use of visible light to enhance the contrast of the sample being studied. Here are some true statements about bright field microscopy:

1. Bright field microscopy is widely used in biology laboratories.

2. It is also known as bright-field light microscopy.

3. This technique is best suited for samples that do not need to be stained.

4. It is possible to view living cells using bright field microscopy.

5. It is less expensive than some other microscopy techniques.

6. The image is formed by the light that is transmitted through the sample.

Therefore,the following statements about bright field microscopy are true: 1.Living micro-organisms are viewed by bright field microscope., 2. Bright field microscopy is the simplest and most common microscope, and 4.It illuminates the specimen using visible light.

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The complete question is:

Heme iron is found in both hemoglobin and myoglobin, playing a vital role in oxygen transport and storage.

Heme iron is an essential component of both hemoglobin and myoglobin.

Hemoglobin, located in red blood cells, transports oxygen from the lungs to various tissues in the body. Myoglobin, found in muscle cells, stores oxygen and releases it when needed during physical activity.

Both proteins contain a heme group, an iron-containing compound that binds to oxygen molecules. Heme iron is easily absorbed by the body compared to non-heme iron found in plant-based foods.

Neither anemia-globin nor the absence of hemoglobin and myoglobin contain heme iron.

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Answer:

The correct answer should be translation.

Hope this helps!!

The Nucleus of a neuron is an oval shaped membrane-bound structure found in the soma or body of the neuron. It contains the nucleolus and chromosomes, necessary for the coded production of proteins within the cell. The nucleolus of the nucleus produces ribosomes. The genetic information of an organism is coded within the long strands of deoxyribonucleic acid (DNA) from which the chromosomes are made. DNA is composed of two long chains that are interconnected in a helical arrangement. The sub units of a chromosome (genes) when activated induce the production of messenger ribonucleic acid (mRNA). mRNA is a duplicate of the information contained in the gene. mRNA leaves the nucleus and attaches to a ribosome, where is serves as a template for the production of a protein molecule

Parts of a neuron

Neurons vary in size, shape, and structure depending on their role and location. However, nearly all neurons have three essential parts: a cell body, an axon, and dendrites.

1. Cell body

2. Axon

3. Dendrites

Myelinated neurons are typically found in the peripheral nerves (sensory and motor neurons), while non-myelinated neurons are found in the brain and spinal cord. Dendrites or nerve endings.

Answer:

Sunlight is related to plant growth. If the amount of sunlight is increased, then plant growth will increase. The hypothesis that plant growth increases as the amount of sunlight increases was supported by the data.

Answer:

Friction is the resistance to motion of one object moving relative to another

Explanation:

It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces

Option C. Shingles, The symptoms of shingles often only affect a limited area of one side of your body. These signs could include: 1. Pain, tingling, or burning 2. Touch sensitivity 3. a few days after the pain, a red rash appears

A nerve and the skin around it can get infected with the virus known as shingles (herpes zoster). The varicella-zoster virus is the responsible agent.

Fever, overall weakness, soreness, heat sensation, and rash starting to appear as red blotchy areas on one side of the skin are some of its symptoms. A viral illness called shingles, commonly known as zoster or herpes zoster, is characterised by a painful skin rash with blisters in a specific location. On the left or right side of the body or face, the rash typically manifests as a single, wide mark. There may be tingling or localised pain in the area two to four days prior to the rash developing.

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Answer:

O  Surging

Explanation:

Waves in Galveston are generally of surging type because it moves suddenly and powerfully in the forward or upward direction. The main reason for this sudden and powerful forward or upward movement of waves is the flow of wind. When the wind blows to Galveston from the eastern side or southeast the waves produced having high tides as compared to the winds that comes from the western side so we can say that surging occurs at Galveston.

Answer:

A

Explanation:

Answer:

A. Brings light into focus (beams come together)

Explanation:

Converging lens or convex lens is a type of lens on which parallel rays of light after refraction converge or meet at the focus of the lens.

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The process of identifying unidentified skeletal remains does not relies on a factor called individualizing traits visual identification, the correct option is (d).

Visual identification of skeletal remains based on individualizing traits such as facial features, scars, or tattoos can be difficult and unreliable, especially when dealing with incomplete or degraded remains.

Therefore, the identification of unidentified skeletal remains typically relies on other methods, such as establishing a biological profile (age, sex, ancestry, and stature) based on morphological features of the bones, comparing antemortem and postmortem records (such as dental records or medical imaging), and examining trauma and pathology to establish a possible cause of death. DNA analysis may also be used to confirm identity or establish familial relationships, the correct option is (d).

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The complete question is:

Identification of unidentified skeletal remains does not rely on which of the following? (group of answer choices)

a. biological profile

b. antemortem

c. trauma and pathology

d. individualizing traits visual identification

Answer:

Cytokinesis

Explanation:

_________

Answer:A and D

Explanation: trust me don’t put c

In the late 1980s, a dramatic increase in the abundance of wild lake trout decimated the salmon population. The salmon population declined the most in the late 1980s. Option A is the correct answer.

In an ecosystem, there are predators and prey. If the predator population grows, they will consume more prey more quickly, causing the prey population to decline rapidly. When there are more prey in an ecosystem, it would be advantageous for the predator, and after some time, the prey will decrease in number and the predator will increase.

Salmon, mouth bass, and lake trout feed on smelt in the lake. Lake trout populations increased in the late 1980s, and as a result, they began feeding on smelt. The other two predators were also affected. The salmon population declined for some time, but later their number increased too. The mouth bass population got affected a lot, and their number kept on declining. The other two species chose different prey and multiplied.

Hence, for some time, the salmon population declined. Option A is correct.

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These hormones coexist in a delicate balance to keep your period regular. Estrogen is involved in ovulation (when an egg is released from the ovaries) and thickens the lining of the uterus (endometrium) in preparation for pregnancy.

The main reproductive hormones are estrogen and testosterone. When girls reach puberty, estrogen causes the eggs to mature in the ovaries. These are then released at regular intervals during the menstrual cycle. Testosterone stimulates sperm production in men.

Estrogens regulate the growth, development, and physiology of the human reproductive system. This hormone also affects the neuroendocrine, skeletal, adipose and cardiovascular systems. Estrogen is an important sex hormone produced primarily by the ovaries in women and the testicles in men.

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Answer:

Vertical

Explanation:

Since we are talking about movement, and the ocean can't be static due to many things happening around and inside it can't be static.

It is not circular and not horizontal. It is vertical. The movement of waves is vertical and this is because waves don't move up and down but vertically since wind is the usual maker of waves in the middle of the ocean.

When recording a customer payment in the receive payment window one should choose a checking account. the correct option is D, checking account.

What is a checking account?

A checking account is a type of bank account that allows individuals or businesses to deposit, withdraw, and manage their funds easily.

Key features of a checking account:

The checking account represents the bank account where the payments will be deposited once they are grouped together. Selecting the Checking account in the Deposit To field, ensure that the received payments are properly tracked and recorded. This allows you to later group multiple payments for deposit to the bank.

Therefore, the correct option is D.

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Insulin secretion is stimulated by parasympathetic neurons.

The process of secreting insulin in the human body mostly takes place in reaction to an increase in blood glucose levels. Research has shown that various processes happen in a predictable way even though the process is not fully understood. It is well known, for instance, that insulin makes it easier for glucose to enter cells. The sight, smell, or taste of food, as well as an increase in the number of fuel molecules in the blood, are all examples of stimuli for insulin production. Amino and fatty acids are some of the fuel molecules.

Increased insulin secretion has a variety of effects, including increased glucose synthesis, increased lipid synthesis, increased esterification of fatty acids, decreased proteolysis, decreased lipolysis, decreased glucogenesis, decreased autophagy, increased amino acid uptake, increased potassium uptake, arterial muscle tone, and increased insulin secretion.

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Answer:

Dd means dimples are present

Pp means pointy ears

Explanation:

Answer:

Dependent Variable

Explanation:

The dependent variable depends on the surrounding variables while the constant variable stays the same.

Answer:The dependent variable is the variable to be explained the effect. The independent variable is the variable expected to account for the cause of the dependent variable.

Explanation:

9:3:3:1 is the expected phenotypic ratio of the cross aabb × aabb.

Following that, the progeny will have four distinct genotypes: AaBB, aaBb, AaBb, and aaBB. We notice two different phenotypes. So, (B) 2 phenotypes, 4 genotypes is the right answer. They combine to make a 9:7 ratio.

One type of gamete, aB, will be produced by a parent having genotype aaBB. The genotype of the offspring will be AaBB and aaBB in a ratio of 1:1 at the time that a cross is made between these guardians.

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The part of the brain that is involved in ignoring this noise is called the Reticular Activating System (RAS).

The RAS is a network of neurons located in the brainstem that is responsible for regulating arousal and attention. It filters out unnecessary sensory information, allowing us to focus on what is important. In this case, the RAS is filtering out the noise of the fan so that you can focus on your work without being distracted by the sound. This process is known as habituation, where the brain becomes less responsive to a stimulus after repeated exposure.

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Answer: False

Explanation:

Spraying water to clear leaves off a porch is actually a waste of water. It is better to use a broom or a rake to sweep off the leaves, which will not only conserve water but also provide some physical activity.

The statement that explains the mechanism of control associated with the presence or absence of glucose is when glucose levels are low, the CAP-cAMP complex forms and binds to the CAP-binding site, activating transcription of the lactose metabolism genes, option B is correct.

Glucose is the preferred carbon source for bacterial metabolism, and when it is abundant, the lac operon, responsible for lactose metabolism, is repressed. In the absence of glucose, cyclic AMP (cAMP) levels increase, leading to the formation of the CAP-cAMP complex.

This complex binds to the CAP-binding site within the lac operon, facilitating the recruitment of RNA polymerase and promoting the transcription of the lactose metabolism genes. This mechanism allows the bacteria to switch to lactose utilization as an alternative energy source when glucose is scarce, option B is correct.

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The correct question is:

Switching from the glucose to lactose metabolic pathway is dependent on the levels of both glucose and lactose in the environment. Which statement best explains the mechanism of control that is associated with the presence or absence of glucose?

A. When glucose levels are high the CAP-cAMP complex forms and binds to the CAP-binding site which represses transcription of the lactose metabolism genes.

B. When glucose levels are low the CAP-cAMP complex forms and binds to the CAP-binding site which activates transcription of the lactose metabolism genes.

C. When glucose levels are high the CAP-cAMP complex forms and binds to the CAP-binding site which activates transcription of the lactose metabolism genes.

D. When glucose levels are low the CAP-cAMP complex forms and binds to the CAP-binding site which represses transcription of the lactose metabolism genes.

Answer:

1) The continents look like they could fit together like a puzzle

2) Fossils of the same organisms were found on different continents

3) Some mountain or rock formations are the same overseas

4) The locations of climatic zones match

Explanation: