How does a diaphragm prevent pregnancy Select one of the options below as your answer:a. It releases spermicide into the uterus to keep sperm from fertilizing eggs.
b. It produces hormones that keep a woman's ovaries from releasing eggs.
c. It covers the penis to keep it from releasing sperm into the vagina.
d. It blocks the cervix in order to keep sperm from entering the uterus

Answers

Answer 1

Answer:

Answer: D) It blocks the cervix in order to keep sperm from entering the uterus

A diaphragm is a form of birth control which is a cup shaped in structure and is made up of soft silicone, it is bent and inserted into vagina to cover cervix.

It act as a barrier that covers cervix and try to stop sperm from joining the egg in order to prevent fertilization.

Answer 2

Answer: The ansewr is D because it blocks the cervix in order to keep sperm from entering the uterus

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Without ribosomes, a cell would not produce a.lipids.
b.proteins.
c.salt.
d.water.

Answers

Answer:

b. proteins.

Explanation:

Ribosomes are cell organelles present in the cytoplasm of prokaryotic and eukaryotic cells. In prokaryotic cell ribosome is 70S (S is the Svedberg unit) type and in eukaryotes it 80S type. Besides in cytoplasm of eukaryotic cells, mitochondrial matrix and stroma of the chloroplasts have their own ribosomes similar to prokaryotic ribosomes. Ribosomes in association with endoplasmic reticulum provide platform for the synthesis of polypeptide (protein). The transcribed mRNA is translated into primary protein on ribosomes. Lipids are synthesised by smooth endoplasmic reticulum.

proteins
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Bees and butterflies are dependent on flowers for their food. However, the more successful of the two will get the nectar. Which kind of animal interaction does this demonstrate?Mutualism
Competition
Predation

Answers

The answer is competition.Competition is an interaction between members of the same species or between different species. If resources, such as food, water, sunlight, territory, are limited and several species depend on these resources, then, they must compete with other species to gain the resources.

In monocots the endosperm is a large portion of the seed, while in dicots this structure is virtually absent. Explain the absence of the endosperm in dicots

Answers

function of endosperm include in dicots like peas and beans food is stored in cotyledons not in endosperm that is why it is absent in dicots

What is endosperm ?

Endosperm developed from the triploid cell (3n) in the embryo sac where the second male gamete fuses with the diploid secondary nucleus to form primary endosperm nucleus (PEN) and a triploid cell which is called as triple fusion

Endospermic cells are mostly triploid but in some plants, they may be diploid (water lily) or polyploid (up to 15n)

In some of the dicots, mature seeds contain food stored in the endosperm, they are called endospermic or albuminous seeds, e.g. castor

In beans, peas, gram seeds, the endosperm is completely absorbed during development and food is stored in two cotyledons. They are called exalbuminous seeds

Endosperm mostly contains starch as a food reserve, but it may contain fats, e.g. castor, Endosperm provide nutrients to seeds during dormancy

Endosperm also contains certain hormones like cytokinins and helps in cell differentiation

For more details endosperm, visit

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function of endosperm:
in dicots like peas and beans food is stored in cotyledons not in endosperm that is why it is absent in dicots...
while in monocots food is stored in endosperm not in cotyledons....

A pedigree chart can show a trait that is: dominant, a mutation, both dominant and a mutation

Answers

Answer;

both dominant and a mutation

Explanation;

Pedigree charts shows inheritance of a certain trait over generations. A pedigree can therefore track an inherited trait through several generation.
A dominant trait is an inherited trait that appears in an offspring if it is obtained from a parent through a dominant allele. Such a trait is seen when heterozygous genotype is present. If a trait is dominant, then its appearance on a pedigree chart will be such that it appears in every single generation.
Mutation refers to sudden spontaneous changes that occurs randomly in the genome of an organism. Mutations may also be observed in a pedigree chart.

Show a trait that's dominant

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Answers

Answer:

Salicylic acid

Explanation:

Salicylic acid is a plant hormone that is essential for a variety of biological parameters, including defence for a plant. There have been many advances in SA-mediated biosynthesis, transport, perception, and signaling over the past two decades. These data show that AS is crucial in local and systemic defensive responses. One such SA-dependent response is systemic acquired resistance (SAR). is a long-distance communication system that provides broad spectrum and long-term resistance to secondary infections throughout the plant. Because of this distinctive property, SAR is a highly sought after trait in agricultural production.This article describes recent developments of the SA function in SAR and analyzes how it connects to other SAR inductors.

Why might a jogger develop lactic acid in his or her muscles

Answers

Answer:

here

Explanation:

the more your body is moving and is pumping blood there is in your muscles which start to produce lactic acid

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