Which of the following statements about seed plants is true ?

a. Angiosperms produce "naked seeds"

b. Angiosperms have more species diversity than other taxa of land plants

c. Gymnosperms have more species diversity than other taxa of land plants

d. Seed plants lack vascular tissue

Answer:

your answer is OA.) Observation

Explanation:

observation sense helps you gain information

The terms listed are related to molecular biology and include cytoplasm, ribosome, AUG (start codon), polymerase, substitution mutation, nucleus, and mRNA.

Cytoplasm: The term refers to the gel-like substance inside cells where various cellular processes take place.

Ribosome: It is a cellular structure responsible for protein synthesis. Ribosomes read the mRNA (messenger RNA) and assemble amino acids into a polypeptide chain to form proteins.

AUG: AUG is a specific sequence of three nucleotides (adenine, uracil, guanine) in mRNA known as the start codon. It signals the beginning of protein synthesis and indicates where the ribosome should start translating the mRNA.

Polymerase: Polymerase refers to enzymes involved in DNA or RNA synthesis. DNA polymerase is responsible for synthesizing DNA, while RNA polymerase is involved in the synthesis of RNA from a DNA template.

Substitution Mutation: It is a type of genetic mutation where one nucleotide is replaced with another in the DNA sequence. This alteration can lead to changes in the resulting mRNA and protein sequence, potentially affecting gene function.

Nucleus: The nucleus is a membrane-bound organelle that contains the cell's DNA. It serves as the control center of the cell, housing the genetic material and coordinating cellular activities.

mRNA: mRNA stands for messenger RNA. It is a type of RNA molecule transcribed from DNA in the nucleus and carries the genetic code from the DNA to the ribosome. mRNA acts as an intermediary between DNA and protein synthesis.

These terms are all fundamental to the understanding of molecular biology, genetic processes, and protein synthesis. They play critical roles in various cellular functions and contribute to the complexity of life at the molecular level.

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They are formed by the mutual sharing of one or more pairs of electrons between the elements.

Answer:

C) Hypothalamus

Explanation:

The hypothalamus is the part of the brain that lies below the thalamus and over the pituitary gland.

The hypothalamus is the source of various important releasing factors and hormones that stimulate the release of other hormones from the endocrine glands in the body. Examples of releasing factors include;

1) Prolactin-releasing factor which regulates the release of prolactin.

2) Somatotropin-releasing factor which regulates the release of somatotropic hormone, also known as growth hormone.

3) The corticotropin-releasing factor which regulates the release of adrenocorticotropic hormone.

Answer:

The correct answer is B. Monotreme embryos develop in an egg.

Explanation:

Monotremes are the mammals that, like the platypus, develop in eggs. Thus, this class of mammals is the only one with this condition, which is shared with reptiles and birds.

Monotremes are considered to be animals with a prehistoric development, so this characteristic of being developed in eggs is a condition that originates in the historical period in which these animals emerged.

Answer:

I hope this helps.

Explanation:

Answer:

Nucleic acids, which include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid), are the macromolecules that contain phosphorus. Phosphorus is an important component of the nucleotides that make up nucleic acids.

In DNA, the phosphate group is located on the 5' carbon of the sugar molecule, which is connected to the nucleotide base via a phosphodiester bond. The phosphate groups of adjacent nucleotides form the backbone of the DNA molecule.

In RNA, the phosphate group is similarly located on the 5' carbon of the sugar molecule, but RNA has a ribose sugar instead of a deoxyribose sugar. RNA also typically contains single-stranded nucleotides, rather than the double-stranded structure of DNA.

Overall, phosphorus plays a critical role in the structure and function of nucleic acids, which are responsible for storing and transmitting genetic information.

Answer:

Substance A will move out of the cell

Explanation:

I just took it

Answer:

Substance A will move out of the cell.

Explanation:

Answer:

Pawpaw means papaya. Hope you'll get some clues from here

Answer: I think that it'll be the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.

Explanation: Because, the pulmonary vein empties oxygen-rich blood, from the lungs into the left atrium.

Answer: Photoperiod controls many developmental responses in animals, plants and even fungi These mechanisms include the detection of the light signal in the leaves, the entrainment of circadian rhythms, and the production of a mobile signal which is transmitted throughout the plant.

Answer:

The reason why is that it depends on the location of the rock. If the rock is located in an area where things are constantly changing, it might be quite possible for a rock to go through the cycle. If there are no changes to the area, then the rock may not experience the whole cycle.

Explanation:

thank u

A catalyst was added to the letter D in order to lower the activation energy of the reaction.

The reaction is an endothermic reaction because the products are at a higher energy level than the reactants.

Endothermic reactions are chemical reactions in which energy in the form of heat is absorbed from the surroundings. In these reactions, the products of the reaction have more energy than the reactants.

Exothermic reactions are chemical reactions in which energy in the form of heat is released into the surroundings because the reactants of the reaction have more energy than the products.

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Food chains have producer organisms such as plants which produce their food from the sun using photosynthesis, there are also primary consumers like zebras, these primary consumers eat producer organisms like plants. Then there are secondary consumers that eat primary consumers (an example would be a lion).

The northern cardinal is a bird that feeds predominantly on grains and fruits (which come from plants), so the cardinal would be considered a primary consumer. Therefore, the northern cardinal is not a secondary consumer.

The hypothesis that is supported by these observations is that the dsRNA inhibited the translation of mRNA into protein (third option).

In this experiment, the C. elegans worms were transcribing eaf-1 into mRNA but not producing the eaf-1 protein. This phenomenon shows that dsRNA inhibited the translation of mRNA into protein related to the action of E. coli on the worms.

This also explains why the worms affected by this bacteria had fewer offspring and the offspring were smaller.

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The three basic cellular structures that every cell needs are the cell membrane, the cytoplasm, and the genetic material. The cell membrane functions to regulate what enters and exits the cell, the cytoplasm provides a medium for cell organelles to function in, and the genetic material contains the instructions for cell function and replication.

Cell Membrane: The cell membrane is a thin, flexible barrier that encloses the cell and separates its internal environment from the external environment. It is made up of a phospholipid bilayer and is selectively permeable, meaning it regulates what substances enter and exit the cell.

Cytoplasm: The cytoplasm is a gel-like substance that fills the inside of the cell and contains various cell organelles, such as mitochondria, ribosomes, and the endoplasmic reticulum. The cytoplasm is important because it provides a medium for the organelles to function in and facilitates the movement of materials within the cell.

Genetic Material: The genetic material of the cell is the DNA that contains the instructions for cell function and replication. In prokaryotic cells, the genetic material is found in the cytoplasm, while in eukaryotic cells, it is found in the nucleus.

In summary, every cell needs a cell membrane to regulate what enters and exits the cell, cytoplasm to provide a medium for cell organelles to function in, and genetic material to contain the instructions for cell function and replication.

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Answer:

D. acetyl CoA forms

Explanation:

APEX

Answer:

they transform light, water and CO2 into sugar and oxygen via photosynthesis

Explanation:

Answer:

Answers are below.

Explanation:

Advantages:

1. Could reduce the need for pesticides.

2. It may improve the nutrient composition and quality of food.

3. Might be able to resist pests and diseases.

4. Could find cures and medicine.

5. Artificially implanting DNA from one species to another can save many, many years of research.

Disadvantages.

1. The testing often involves performing experiments upon animals, which some people feel is a breach of animal rights.

2. Genetically Modified Organisms could affect those with allergies in many ways.

3. It could spread undesirable diseases or start an epidemic.

4. Often GMO products are not clearly labelled, meaning people do not have the choice to decide whether or not they wish to consume GMO products.

5. Transgenic modification produces organism types which would never occur naturally, making them highly unpredictable.

Answer: A. overconsumption of water

Explanation:

Every other answer is a a positive

If there was 0% growth in the use of coal,  it was 120,0.

Long before there were dinosaurs, the majority of the fossil fuels we use today were first discovered. The majority of the energy we consume worldwide comes from fossil fuels.

Because coal is a fossil fuel generated in the veins of rocks beneath the Earth's surface, miners must descend so far to obtain it.

Despite the fact that humanity have used up all of the fossil fuels that are already on the planet, there will likely still be unexplored supplies of them.

Therefore, If there was 0% growth in the use of coal,  it was 120,0.

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Answer:

Ribozymes:

Explanation:

are catalytically active. And they have RNA molecules or, RNA–protein complexes, in which solely the RNA provides it's catalytic activity.

I hope this helps!

Answer:

Fiber-optic cables.

Answer:

The addition of transcription factor-binding sites could affect relative DNA replication efficiency in a number of ways. Each added site could produce an additive increase in replication efficiency, or one of the added sites could be responsible for all of the observed increase in RRE.

Answer: yes atom is the smallest level of organization

Explanation:

Answer:

Archaea differ from bacteria in cell wall composition and differ from both bacteria and eukaryotes in membrane composition and rRNA type. These differences are substantial enough to warrant that archaea have a separate domain

Explanation:

you can't see the colour of organisms

you don't have the ability to analize living organisms

artefacts can be easily produced

the correct answer is option 3