18. Which of the following organisms do NOT produce gametes?
Spiders
Bacteria
Humans
Giraffes

Answers

Answer 1
Bacteria for sure bby

Related Questions

Why do you feel like personal organisation is a struggle or strength?

Answers

Answer:

It can be a struggle because you won't have the determination to sometimes take time to organize things.It can be a strength because being organized can make you less stressful. (Ex: You can find your car keys better.) or (Ex: I rember what assignment is due on friday!!)

Explanation:

It can be a strentgh when handling emotions and it can make you smarter. Less things are going on in your mind.

It can be a struggle because life is automatically busy.

Hope this helps!!

Guide Questions: (just in case I didn't asnwer the question well)*questions to help answer the question

What is personal organization?

Do you struggle with personal organization?

Is personal organization your strength?

Is personal organization a strength?

Are there reasons to why you think personal organization is a strength?

Is personal organization a strength?

Are there reasons to why you think personal organization is a struggle?

How are astronomers able to determine what elements are found in other stars and galaxies?

Answers

Answer:

This type of study is called spectroscopy. The science of spectroscopy is quite sophisticated. From spectral lines astronomers can determine not only the element, but the temperature and density of that element in the star. The spectral line also can tell us about any magnetic field of the star.

Explanation:

Which type of molecule is embedded throughout the phospholipid bilayer?

Answers

Answer:Integral proteins

Explanation:

what useful purpose is served by cell division in a multicellular organism : select all the correct answers.
A: to ensure that a cell does not become to large
B; To produce new cells during an organisms growth
C: To replace damaged cells and tissues
D: to ensure all cells remain undifferentiated

Answers

Answer:

c

Explanation:

the main reasons cells duplicate is so they can replace damaged cells and tissues

The following options are the useful purpose is served by cell division in a multicellular organism:

A. to ensure that a cell does not become too large B. To produce new cells during an organism's growth C. To replace damaged cells and tissues

Multicellular organisms are the organism that is formed by the complex organization of cells, tissues, or organs Whereas a single-cell organism is unicellular organisms.

Single-celled organisms use cell division only for reproduction.All multicellular organisms use cell division for growthAnther purpose of cell division in multicellular is to replace and repair cells and tissues.Cell division is a strictly controlled process as a failure of regulation can be life-threatening.In multicellular organism cell division takes place in sex cells as well as somatic cells

Thus, the correct answer is options A, B, and C.

Learn more about cell division:

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Label flower parts on it

Answers

Answer:

AntherFilamentStamenStigmaStyleOvaryPistilOvum/OvulePetalSepal

In humans, normal color perception (N) dominates the expression of color blindness (n), and both of these genes are carried on the X chromosome (XN or Xn). A woman with normal color vision has a color-blind father. Her husband is also color-blind.

a. What is the genotype of the colorblind man? ____
b. What is the genotype of the woman? ______
c. What is the probability of her daughter to be colorblind? __________%
d. What is the probability of her sons to be colorblind? _________%

CAN SOMEONE HELP MEEE eeee

Answers

A- X*Y
B-XHXH
C-50%
D-50%

True or False: Interphase takes up roughly 90% of the time it takes to undergo mitosis, about 23 hours.

Answers

Answer:

I believe that it is true.

Explanation:

Interphase does take up about 90 percent of the phases but it is about 22 hours of dividing the cells

The answer is true interphase takes up 90% of the time

Write the correct type of mutation that occurred in creating the mRNA strand for each of the following
examples. Original DNA: ATCCGCTTACG
a. UUGGCGAAUCG: __________________
b. UATGGCGAAUCG: _________________
c. UGGCGAAUCG:__________________

Answers

Answer:

a. the second nucleotide is wrong. It is a U but should be an A. No other nucleotides were effected by this, only the one was effected. This is a Point (Substitution) Mutation.

b. the third nucleotide is wrong. It is a T that was inserted. As you can see, the rest of the nucleotides are right, but since the T was added, it will mess up how the rest of the sequence is read. It will be read UAT GGC GAA... instead of UAG GCG AAU... see how it messed it up? This is an Insertion (Addition) Mutation.

c. the second nucleotide was deleted. This is called a Deletion Mutation. It will mess up the rest of the sequence, similar to how the example above did.

I hope that helped you understand!

PLS I HAVE 5 MINS ILL GIVE BRAINLIEST

Answers

Answer:

c

Explanation:

The role of the institutional animal care and use committee (IACUC) of a research institution is to provide research animals with clean and healthy conditions in the laboratory. mediate the acquisition of animals by the institution's researchers. review all proposals for animal research to be sure the procedures to be used are appropriate and humane. review animal research proposals only to ensure that the proposed experiments are scientifically valid.

Answers

Answer:

review all proposals for animal research to be sure the procedures to be used are appropriate and humane.

Explanation:

The Institutional Animal Care and Use Committee (IACUC) is a federal committee responsible for approving and/or prohibiting the use of animal (nonhuman vertebrate) subjects for research, testing and teaching purposes, as well as the inspection of animal facilities. IACUC evaluates the institution's animal programs and procedures as described by the Office of Laboratory Animal Welfare (OLAW). This committee has the task to verify animal's well-being by minimizing pain and distress (for example, by ensuring the use of non-invasive methods when possible). Researchers/educators that use animals for research/teaching purposes must previously submit a written request defined by the IACUC's guidelines.

The number of neurotransmitter molecules located within a specific synaptic gap would most clearly be
reduced by

Answers

Answer:

The correct answer is - reuptake.

Explanation:

The process that reabsorbs the neurotransmitters known as reuptake which reduced the number of neurotransmitter molecules. Neurotransmitter transporter found on the outer membrane of the plasma membrane assists the process of reuptake by reabsorbing the neurotransmitter molecules from the specific synaptic gap. Neurotransmitters recycle by this process in order to reuse again after a time for the particular signal to last.

Thus, the correct answer is - reuptake.

What do we call the organized steps taken to answer a scientific problem?

Plzzz helpppp

Answers

The Scientific Method is a logical and rational order of steps by which scientists come to conclusions about the world around them. The Scientific Method helps to organize thoughts and procedures so that scientists can be confident in the answers they find. ... HYPOTHESIS is the answer you think you'll find.
It is called the Scientific Method

3. If an engine exerts 250N of force and moves an object 6.0 meters, how much work did it do? 06
(1 Point)
O 0.024 J
C
42 J
O 41.6 J
O 1500 J

Answers

Answer:

1500J

Explanation:

work =force *distance

250*6=1500

What is the correct answer I accidentally clicked echo

Answers

Answer:

sound waves. they come in longitudinal waves and vibrations. echo is wrong though youre right on that one

describe the feature of cell mbrane​

Answers

Answer:

The cell membrane or plasma membrane is a biological and thin semi-permeable membrane that surrounds the cytoplasm of a cell

Explanation:

WILL MARK BRAINLIEST!

Answers

Answer:

Recessive

Explanation:

When there is a skipped generation, the trait must be RECESSIVE. For dominant trait, having 1 dominant allele will give you affected phenotype. It can never give a skipped generation.

A congenital cataract is a clouding of the lens of the eye that is present from birth. The mode of
inheritance for one type of congenital cataract is from a dominant allele. Suppose a man is
heterozygous for this type of congenital cataract, and a woman does not have cataracts. If these two
individuals have a child, what is the probability that the child will have this type of congenital cataract?
a. 25%
b. 50%
c. 75%
d. 100%

Answers

Answer:

The mode of inheritance for one type of congenital cataract is autosomal dominant. If these two individuals have a child, what is the probability that the child will have A male with horns is mated with a heterozygous female without horns.

If a DNA strand contains 12% thymine, it also contains ____

a. 12% A, 38% G, 38% C
b. 12% A, 12% G, 38% C
c. 12% A, 12% G, 12% C
d. 38% A, 12% G, 38% C

Answers

Answer:

If G = 14, then C = 14 and G + C is 28. Thus A + T. The percent of adenine in a double-stranded DNA is 38. Therefore G + C = 100 - 76 = 24, and C = 24/2 = 12 percent.  

Explanation:

A=T
so A is 12% too
100-(12+12)
=100-24
=76
then divide by 2 to get each C and G
76/2=38
so C and G are each 38%

the answer is option A

hope this helps !

state whether bone is dead or living tissue, explain your answer​

Answers

Bones are living tissue which have their own blood vessels and are made of various cells, proteins, minerals and vitamins. Yes I do think they are, also the fact that new cells are made everyday from the bone marrow.. so thus it is a living tissue.. if the organism is dead then it’s dead too

1. All living things have a limited lifespan.
True
False

Answers

Answer:

True

Explanation:

Humans have a life span of 60 - 80 years while trees have a life span 1000 - 2000 years, also rats , camels , mosquito, earthworm have a limited lifespan.

Which of the following represents a step in the nitrogen cycle?

Answers

Answer:

In general, the nitrogen cycle has five steps:

Nitrification (NH3 to NO3-) Assimilation (Incorporation of NH3 and NO3- into biological tissues) Ammonification (organic nitrogen compounds to NH3) Denitrification

Explanation:

WAITING FOR YOUR RESPONSE

Using compaction and cementation explain why sedimentary rocks are not just a loose pile of sand and rocks.​

Answers

Compaction and Cementation They are compacted, reducing the available pore space and expelling much of the pore-water. Dissolved minerals in the ground water precipitate (crystallize) from water in the pore spaces forming mineral crusts on the sedimentary grains, gradually cementing the sediments, thus forming a rock.

Through compaction and cementation, minerals form a crusts on the sedimentary rocks which are no longer just a loose pile of sand and rocks.

What are sedimentary rocks?

Sedimentary rocks are formed from the pre-existing rocks or pieces of or fossils of living organisms. They form from the deposits which accumulate on the surface of Earth. Sedimentary rocks often have distinctive layering or bedding over Earth.

Dissolved minerals present in the ground water precipitates from the water surface present in the pore spaces forming mineral crusts on the sedimentary grains, which gradually undergo cementing the sediments, which thus lead to formation of a rock.

Learn more about Sedimentary rocks here:

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Which of the following is an example of stored energy?

a. A car rolling down a hill
b. A soccer ball sitting on top of a cabinet
c. A dog lying on the floor
d. None of the above

Answers

b hope u like it .plz like it .ok

Answer:

I believe it's B.

Explanation:

Because the ball is not moving and it's storing energy being on top of the cabinet. And it has more gravitational energy on it because of its position and stored energy.

Which activities cause environmental pollution in your locality.Write how you can help to avoid them​

Answers

Answer:

Activities cause environmental pollution is AIR POLLUTION

Can avoid by:

•Conserve energy at home at work,everywhere.

•Use public transportation or walk whenever possible.

•Keep car, boat and other engines properly tuned.

•Mulch or compost leaves and yard waste.

•Consider using gas logs instead of wood.

The activities that cause environmental pollution in my locality are the excessive usage of vehicles that emits a huge amount of carbon, excessive utilization of polythenes, and no proper method of waste treatment.

What is Environmental pollution?

Environmental pollution may be defined as any sort of unwanted contamination or impurities present in the atmosphere that is harmful and toxic to the health of each and every living organism. It is one of the most threatening problems for the whole world that affects the overall diversity of living entities and ecosystems.

You can avoid all the activities listed above by following mechanisms:

Increase the use of electric vehicles rather than petrol or diesel vehicles. Enhance the utilization of poly bags that are easily decomposable and cause less harm to the land and soil. Installations of some authorized and trusted mechanisms for waste treatment.

Therefore, it is well described above.

To learn more about Environmental pollution, refer to the link:

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What enzyme is used to break down bacteria

Answers

CAZymes is the correct answer

b) In what way does the endocrine system cause homeostasis? (1 point)

Will mark brainliest!!!

Answers

Answer:

The endocrine system causes homeostasis because hormones regulate the activity of blood cells, which, when released, is controlled by a stimulus.

In the oceans on either side of the Isthmus of Panama are 30 species of snapping shrimp, 15 species on the Pacific side and 15 different species ch the Atlantic sid. See different water depths. Morphological and genetic data show that Atlantic and Pacific species that live at similar depths are sister species. Geological evidence indicates that the Isthmus of Panama started rising about 10 million years ago and the oceans were completely separated by the stimus about 3 million years ago. If the geological evidence has been misinterpreted and the isthmus had formed very rapidly in less than 1,000 years), which of the following predictions is most likely?
A. greater percentage of difference in DNA sequences between sister species that inhabit deep water than between sister species that inhabt stalow water
B. greater percentage of difference in DNA sequences between sister species that inhabit shallow water than between sister species that inhabit deep water
C. similar percentages of difference in DNA sequences between all pairs of sister species
D. greater percentage of difference in DNA sequences between Atlantic species than between Pacific species

Answers

Answer:

The answer is "Choice A".

Explanation:

The Panama isthmus is indeed a patch of land which separates its sea from its Atlantic ocean to The pacific in two halves. The Panama Isthmus allows spreading the seafood applicable state, although due to geographical barrier, the very same turtle species were isolated. Its deep squirrels of liquid are diverged quite early as being against shallow water shrimps which are characterized by the rising of the Jamaica isthmus, first off the island can be crossed until it was closed through shallow water prawns and shallow-water animals. If Panama's black sea was established less than 1000 years, it has a greater effect on deepwater shrimp and very low water lobsters. Consequently, in water depth prawns, a disparity in hereditary degree (DNA) is higher than in shallow species. The deep waters have been affected earlier so the variation in DNA sequences throughout all sister species will not be the same.



Find the edge length of the cube. (The density of copper is 8.96 g/cm3, and the volume of a cube is equal to the edge length cubed.)

Express your answer with the appropriate units.

Answers

Answer:

[tex]x = 2.13\ cm[/tex]

Explanation:

See comment for complete question

Given

[tex]Mass = 87.2g[/tex]

[tex]Density = 8.96gcm^{-3[/tex]

Required

Calculate the edge length of the cube

First, we need to calculate the volume of the cube using:

[tex]Density = \frac{Mass}{Volume}[/tex]

Make Volume the subject:

[tex]Volume= \frac{Mass}{Density }[/tex]

Substitute values for Mass and Density

[tex]Volume= \frac{87.2g}{8.96gcm^{-3}}[/tex]

[tex]Volume= \frac{87.2cm^3}{8.96}[/tex]

[tex]Volume= 9.73cm^3[/tex]

Represent the edge length with x.

So:

[tex]Volume = x^3[/tex]

Substitute x^3 for Volume in [tex]Volume= 9.73cm^3[/tex]

[tex]x^3 = 9.73cm^3[/tex]

Take cube root of both sides

[tex]x = \sqrt[3]{9.73cm^3}[/tex]

[tex]x = 2.13\ cm[/tex] --- approximated

Hence, the edge length is 2.13cm

How can you tell the difference
between a plant cell and animal cell?

Answers

Answer:

I hope it helps you a lot!

:P

Explanation:

Answer:

Animal cell has no cell wall but plant cell has cell wall made of cellulose

explain thourough what pollution is​

Answers

Answer: Definition and models Contamination alludes to the presence of a substance or substances in the climate that is unsafe or harmful. The substances or poisons might be hurtful to human wellbeing, different creatures, and plants. When something hurtful enters the climate at a quicker rate than it tends to be scattered, there is contamination. or Contamination is that the presentation of hurtful materials into the climate. These unsafe materials are called toxins. Poisons might be normal, as volcanic debris. they'll even be made by human activity, similar to waste or overflow created by industrial facilities. Contaminations harm the norm of air, water, and land. Explanation: Both describe what pollution means I hope this helps you

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