ATETI.. PKSSD...TSSNT...S ARRD 5. ATETI..PKSSD...TSSTT... NARRD 6. VTETI...PKSSD...TSSTT...NARRD Use a highlighter to color any amino acid that varies among the species. (Color that amino acid in all sequences.)

(e) Primates and rodents diverged between 60 and 100 million years ago, and chimpanzees and humans about 6 million years ago. What can you conclude by comparing the amino acid differences between the mouse and the C, G, R species with those between the human and the C, G, R species?

Lipids don't have monomers but their basic building blocks are fatty acids and glycerol.

Hence, lipids are made up of fatty acids and glycerol.

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X chromosome inactivation occurs in early embryonic development. In females, one of the two X chromosomes is randomly and permanently inactivated in cells other than the Egg cells.

As a result of X chromosome inactivation, females also possess only one functional X chromosome as in males.

As a result of X chromosome inactivation, there is an alteration in the genome of a female because one X chromosome is being inactivated during embryonic development.

Answer:

Explanation:

Answer:

b

Explanation:

Answer:

right on Plato/ Edmentum

Explanation:

vagina               urethra

egg                   sperm

ovary                 testis

fallopian tube    vas deferens

The correct reproductive structure is based on their function and the system to which they belong are:

In both males and females, a reproductive system is a group of internal and external organs that cooperate to allow for reproduction. The organs, glands, and tissues involved in childbirth (children).

The ovaries, fallopian tubes, uterus, cervix, and vagina are all parts of the female reproductive system. It includes the pen-is, prostate, and testes in men.

Therefore, the correct option is

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Answer:

0

Explanation:

Do punnet square its no picture

The complementary RNA strand to the DNA sequence CGCCTAAA would be GCGGAUUU.

Option (b) is correct.

To determine the complementary RNA strand, we need to follow the base-pairing rules between DNA and RNA. In RNA, adenine (A) pairs with uracil (U) instead of thymine (T) as in DNA. The base pairing rules are as follows:

Adenine (A) pairs with uracil (U)

Cytosine (C) pairs with guanine (G)

Guanine (G) pairs with cytosine (C)

Thymine (T) pairs with adenine (A) in DNA only

Given the DNA sequence CGCCTAAA, we can pair each nucleotide with its complementary base in RNA:

C pairs with G

G pairs with C

C pairs with G

T (replaced by U in RNA) pairs with A

A pairs with U

A pairs with U

A pairs with U

This gives us the complementary RNA sequence GCGGAUUU, which is option b.

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The following chemicals' prostaglandins exert hormonal-like effects on the body.

The three primary roles of nutrients are to give us energy, support our body's structure, and/or control our body's chemical reactions. We are able to move, expel waste, breathe (respire), grow, and reproduce thanks to these fundamental bodily processes.

Macronutrients are substances like protein, fat, and carbohydrates. You use the most of these nutrients overall. According to Lindsey Wohlford, a dietitian at MD Anderson Wellness, macronutrients are the nutritional components of food that the body needs for energy and to sustain its systems and structure.

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Answer:

All rays are cartilaginous fish similar to sharks and dogfish and therefore do not molt.  

Explanation:

Spotted eagle rays are viviparous, indicating they deliver live birth. Females are gestating for around one year before producing birth to about two-four adolescents which are seventeen to thirty-five cm large. Spotted eagle rays develop at the period of four to six years old. Spotted Eagle Rays survive for around fifteen-twenty years.

Answer:

formed or occurring beneath the surface of the earth

Answer:

The hawk has less evolutionary steps so it evolved first

so its the hawk

The ability of RTKs to dimerize is dependent on their phosphorylation status. Phosphorylation of specific tyrosine residues on the RTK allows for dimerization and subsequent activation of downstream signaling pathways.

Therefore, if a mutation occurs such that several of the tyrosines on the RTK cannot be phosphorylated, it is likely that the RTK will have a decreased ability to dimerize.
However, the specific effects of this mutation on RTK dimerization and subsequent downstream signaling pathways will depend on the location and number of tyrosine residues affected. If the mutation only affects a few tyrosine residues, the RTK may still be able to dimerize through other available tyrosine residues, albeit with reduced efficiency. If a larger number of tyrosine residues are affected, the RTK may not be able to dimerize at all.
In either case, the effects of this mutation on RTK function will likely be detrimental, as dimerization and downstream signaling are crucial for RTK-mediated cellular processes such as cell growth, differentiation, and survival. Therefore, it is important to consider the potential consequences of mutations that affect RTK phosphorylation and dimerization when studying their roles in various cellular processes and diseases.

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Crossing over is the process occurring during meiosis help to produce and maintain genetic variation in natural populations. Thus the answer is B)crossing over.

When chromosomes of the same type are paired together during meiosis, a biological event called Crossing over takes place.

Parts of the chromosome can be exchanged when two chromosomes, one from the mother and one from the father, line up. The same genes may be present on the two chromosomes in different versions. A gene, for example, could be transferred from the mother to the father's chromosome and vice versa, this process is referred to as Crossing over. The possible transmission of many gene combinations and forms to progeny makes this a very fascinating and significant biological activity. This genetic variation contributes to a species' increased diversity.

Additionally, diversity makes it easier for a species to adapt through time to its changing environment and go through evolution. Therefore Crossing over causes variation in the natural population.

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Answer:

Explanation:

Mitosis ends up in two identical daughter cells, but meiosis results in four sex cells.

Mitosis results in two nuclei that are identical to the original nucleus. Meiosis, on the other hand, results in four nuclei, each having half the number of chromosomes of the original cell. In animals, meiosis only occurs in the cells that give rise to the sex cells (gametes), i.e., the egg and the sperm.

Answer:

Explanation:

Cell division by mitosis occurs in all human body cells except the gonads (sex cells). During mitosis, the DNA is exactly copied and a new daughter cell created with the same number of chromosomes as the parent cell, ie 46. In the sex cells, meiosis occurs where the DNA is halved and the daughter cell has only 23 chromosomes.

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Answer: in shoot and root tips

Answer:

A

Explanation:

In the planetary model, there is a nucleus with protons and neutrons, surrounded by orbits with electrons. In the krypton representation, there are 84 subatomic particles inside the nucleus and 36 outside.

---------------------------------------------------

The representation of an element includes a superior number that indicates the massic number, and an inferior number that indicates the atomic number.

We need to know that every atom is identified by its number of protons and neutrons. So,  

Representation ⇒ ᵃ X ₀

Where  

• X is the element  

• a is representing the massic number, which is defined as the sum of the number of protons and the number of neutrons.  

• z is the atomic number, which is the number of protons ⇒ represented as  0 above

In electrically neutral atoms, the number of protons equals the number of electrons. This means that the atomic number also indicates the number of electrons.

We will call n to the number of neutrons, which equals a - z

So, what you need to know is that  

• Nº of protons = Atomic number → z  

• Nº of neutrons = Massic number - Atomic number → n = a - z  

• Nº of Electrons = Nº of protons = Atomic number → z

When representing these atom structures using the planetary model, there must be a nucleus surrounded by orbits.

In the nucleus there are protons and neutrons. In the orbits, there are electrons in different energetic levels.

• Nucleus → Protons + Neutrons → circle indicating number of P⁺ + N⁰

• Orbits → Around the nucleus → Following the energy levels

The energy levels indicate how many electrons, e⁻, maximum must be placed per level -orbit- → seven levels

In the exposed example, we have,

We know that the atomic number = number of protons = number of electrons, so  

• Nº of neutrons = Massic number - Atomic number → 84 - 36 = 48

• Nº of Electrons = Nº of protons = Atomic number → 36

According to the framework, we might assume that in a planetary model  representation, there are 84 subatomic particles inside the nucleus, and 36 subatomic particles outside.

• Inside the Nucleus → Protons + Neutrons → 48 + 36 = 84

• Outside the nucleus (Orbits) → Electrons → 36

-----------------------------------

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Answer:

A covalent

Explanation:

The mammalian tail and the human coccyx, the leaves of pitcher plants and cacti, are homologous organs while, the flippers of penguins and dolphins, as well as the shells of turtles and crabs are analogous structures.

Homologous organs are those that are similar in structure but operate differently. They resulted from divergent evolution.

Divergent evolution occurs when species are closely connected to the same ancestors but develop similar structures that perform different tasks in different environments.

Analogous Organs are organs from various creatures that, despite their appearance, perform the same function.

In the given case, the mammalian tail and coccyx, as well as the leaves of pitcher plants and cacti, are homologous organs, whereas penguin and dolphin flippers, as well as turtle and crab shells, are analogous structures.

Thus, these are the different instances of homologous and analogous organs.

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Answer:

Response: Tell the teacher. Precaution: Always listen to all the instructions before engaging in any activities.

Precautions for Conducting Chemical Experiments: Active Listening: Always pay close attention to the teacher's instructions and lab guidelines. Ignoring instructions can lead to accidents or mistakes.

Read and Understand: Prior to starting any experiment, thoroughly read and understand the lab procedure, including the chemicals being used and any potential hazards.

Proper Attire: Wear appropriate lab attire, including a lab coat, safety goggles, and gloves to protect yourself from potential chemical splashes.

Chemical Compatibility: Familiarize yourself with the chemicals you're using and their potential reactions. Only mix chemicals that are approved and indicated for the experiment.

Labeling: Ensure all chemicals are properly labeled with their names and concentrations. Never use unlabeled or improperly labeled containers.

Workspace Setup: Keep your workspace organized and uncluttered. This minimizes the risk of accidental spills or cross-contamination.

No Distractions: Avoid distractions such as talking to friends during the experiment. Focus on the task at hand to prevent errors.

Small Quantities: When mixing chemicals, use small quantities as instructed in the procedure. This reduces the potential impact of any unexpected reactions.

Test Tubes and Containers: Use appropriate glassware and containers for chemical mixing. Avoid using incorrect or damaged equipment.

Fume Hood: If applicable, conduct experiments in a fume hood to prevent the inhalation of potentially harmful fumes.

Emergency Equipment: Familiarize yourself with the location and proper use of emergency equipment, such as eyewash stations, safety showers, and fire extinguishers.

Disposal: Follow proper disposal procedures for chemicals and waste materials. Never pour chemicals down the sink without proper guidance.

Know What to Do: In case of an accident or unexpected reaction, know the appropriate steps to take. Alert the teacher or lab supervisor immediately.

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Answer:

- Because unhealthy cells can lead to

unhealthy tissue and organs.

- Because malfunctioning organelles can lead to diseased tissue.

Explanation:

Cells are the basic and fundamental unit of life. In the organization of life, cells are the precursors of tissues. This means that a collection of cells with similar function gives TISSUES, which subsequently gives rise to ORGANS. Also, organelles are structures with specific function within the cell. A faulty organelle will result in a faulty cell, thereby, affecting the other levels of organizations.

According to this question, a doctor is looking at a patients blood under a microscope where she notices several cells with malfunctioning mitochondria. This is important because:

- Unhealthy cells can lead to unhealthy tissue and organs.

- Malfunctioning organelles in a cell can lead to a deficient cell, which in turn can lead to a diseased tissue.

Answer:

A and D

Because unhealthy cells can lead to unhealthy tissue and organs.

Because malfunctioning organelles can lead to diseased tissue.

Explanation:

I have the two green check, other answer is "The cells that make the lung tissue have mutated DNA"

The resulting amino acid change at position 557 of the taster allele is PAV. The AVV allele codes for the valine amino acid at position 262 and the alanine amino acid at positions 49 and 296.TAS2R38 AVI/AVI individuals are PTC non-tasters, PAV/PAV individuals are PTC super-tasters, and AVI/PAV individuals are PTC medium tasters.

The resulting amino acid change at position 557 of the taster allele is PAV (Proline-Alanine-Valine). Taster alleles control the sensitivity to the bitter taste of the compound phenylthiocarbamide (PTC) and other related substances such as 6-n-propylthiouracil (PROP).The difference in perception of these compounds is due to variations in the genes that encode taste receptors.

TAS2R38 gene is the principal gene that encodes PTC taster status. TAS2R38 gene has three common variants: AVI, PAV, and AVV. A change in the amino acid sequence of the protein that is encoded by the TAS2R38 gene is responsible for the variation in the receptor’s function.The AVI allele codes for the proline, alanine, and valine amino acids at positions 49, 262, and 296, respectively. The PAV allele codes for the amino acids alanine, valine, and isoleucine at these positions.

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Answer:

mostly in deserts, and probably some beaches

The hydrosphere is located all above ground on the surface of the earth. Therefore, option (D) is correct.

The hydrosphere can be described as the combined mass of water found on, under, and above the surface of the earth. Although the hydrosphere of the earth has been around for almost 4 billion years, it continues to change its shape. The seafloor spreading and continental drift rearrange the land and ocean.

There are 1.38 billion Km³ of water on Earth and including water in gaseous, liquid, and frozen forms as soil moisture, groundwater, and in the Earth's crust. The earth's crust includes oceans and seas, rivers, lakes and streams, wetlands, glaciers, ice, and snow cover on Earth's surface.

Saltwater accounts for 97.5% of water, whereas freshwater accounts for only 2.5%. Almost 68.9% of freshwater is in the form of ice and snow cover in the Arctic, the Antarctic, and glaciers while 30.8% is in the form of fresh groundwater; and only 0.3% of it on Earth is accessible lakes, reservoirs, and rivers.

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Answer:

I think its A

Explanation:

Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.

Answer:

Generally in non flowering plant the male sex organ is called the antheridium,while the female is called the  achegonium. Due to the habitat and methods of reproduction, special adaptive feature s have been developed by these plants to ensure reproduction and prevent extinction.

Explanation:

Based on structure,Antheridial (male sex cells) are usually upright in position,with pores located at the top of the antherialdial disk.These perforation is adaptive feature for effective dispersal of sperm during reproduction.

In addition  present in the  archegoniu is  the achegonium dsik. The latter  is the adaptive feature for protection of the archegonia.The disc serve as an umbrella surface for the protection of the archegonia during reproduction.Thus ovum is well protected  to ensure fertilization and prevent wastage.

Answer:

MSG is short for monosodium glutamate. It is common food addictive-with the e-number E621 that is used to enhance flavor.

Explanation:

MSG is derived from the amino acid glutamate or glutamic acid, which is one of the most abundant amino acids in nature.

The dna polymerase that is synthesizing the lagging strand stay bound to its template dna strand and coordinate with the dna polymerase on the leading strand is DNA polymerase on the leading strand attaches to DNA polymerase on the trailing strand.

DNA replication is the process of doubling the DNA chain assisted by DNA polymerase before mitosis or meiosis I in the S phase of the cell cycle. The DNA is made of two strands and each strand of the parent cell acts as a template for the production of complementary strands.

The lagging strand is the synthesized DNA strand and is located in the 5'→3' direction at the replication fork. During the replication process, nucleotides will be added to the end of the sugar from the Okazaki fragment with the help of DNA ligase enzymes. In order for the lagging strand to remain attached to the template DNA strand, the DNA polymerase on the leading strand attaches to the DNA polymerase on the trailing strand.

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The types of offspring expected for an Rh-positive AB woman who marries a man with heterozygous A-positive blood the genotypes include  Rh-- AA, Rh-_ AO,  Rh++ AB,  Rh++ BO, Rh-+ AA,  Rh-+ AO,   Rh+- AB,  and Rh+-. Genotype of the woman >> Rh+- AB,  Genotype of the man? >> Rh+- AO.

The alleles of the A B O blood group in humans are A, B, and O, where A and B are codomain on O and can be used to determine the genotype from the phenotype.

Therefore, with this data, we can see that  alleles in the group's blood group of humans may be A, B, and O

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